Science is a complex and challenging subject, as it involves so many principles and concepts that are difficult to memorize. Those student who opt for science have to face many challenges and work hard to get good marks in the exam. In this Article, students will learn about Biology MCQs for Competitive Exams. The best solution of the problem is to practice as many Important Questions as possible to clear the doubts. These MCQs will help in all type exam related to Physics like TGT, PGT, KVS, and NEET etc.
Q1. Penicillin is extracted from
(a) yeast
(b) algae
(c) fungus
(d) lichen
Answer : (c)
Q2. Which is the effect of antigen in an ill person ?
(a) It increases the production of W.B.C.
(b) It increases the production of antibiotics
(c) It increases the production of anti-serum against bacteria
(d) It prevents the growth of bacteria
Answer : (b)
Q3. Which among the following helps in circulation of blood ?
(a) Arithrocytus
(b) Blood platelets
(c) Monocytes
(d) Lymphocytes
Answer : (d)
Q4. Which among the following elements increases the
absorption of water and calcium in plants ?
(a) Manganese
(b) Boron
(c) Copper
(d) Molybdenum
Answer : (b)
Q5. Which wood will become useless soon after exposing in
the open air ?
(a) Softwood
(b) Fibrous wood
(c) Wet wood
(d) Hardwood
Answer : (c)
Q6. Which among the following is a large spectrum
Antibiotic ?
(a) Paracetamol
(b) Pencillin
(c) Ampicillin
(d) Chlormphenicol
Answer : (c)
Q7. Our bones and teeth are generally made of
(a) Tricalcium phosphate
(b) Fluoropetite
(c) Chloropetite
(d) Hydrolith
Answer : (a)
Q8. Angora wool is extracted from
(a) rabbit
(b) sheep
(c) fox
(d) goat
Answer : (a)
Q9. Which of the following diseases affects women easily
than that of men ?
(a) Heart attack
(b) Hepatitis
(c) Joint arthritis
(d) Arthritis
Answer : (a)
Q10. Pituitary gland is located in
(a) brain
(b) kidney
(c) liver
(d) intestine
Answer : (a)
Q11. What is the limit of MG/DL of blood sugar in the normal
person at the time of fast ?
(a) 40-60
(b) 120-150
(c) 70-100
(d) 160-200
Answer : (c)
Q12. The cross section of a stem of tree has fifty rings . what is
the age of the tree ?
(a) 50 months
(b) 5 years
(c) 25 years
(d) 50 years
Answer : (d)
Q13. Onion is a modified form of
(a) leaf
(b) stem
(c) root
(d) None of these
Answer : (b)
Q14. The pollination of maize takes place by
(a) self-pollination
(b) pollination by insects
(c) pollination by air
(d) pollination by rain
Answer : (c)
Q15. Why radiologists do not take direct Xray photographs of
intestine ?
(a) Intestines are affected by direct exposure to X-rays
(b) X-rays cannot cross intestine
(c) X-rays are not able to capture clear picture
(d) Even short exposure of X-rays causes cancer in
intestine
Answer : (c)
Q16. Exobiology deals with the study of :
(a) external characters of living organisms
(b) life on the surface of the earth
(c) life in the outer layers of atmosphere
(d) life in other planets and space
Answer : (d)
Q17. Animals do not have enzyme systems which enable them
to make use of the energy from :
(a) fat
(b) water
(c) protein
(d) carbohydrate
Answer : (a)
Q18. A clone is a colony of:
(a) cells having different shapes
(b) cells having similar shape
(c) cells having similar genetic constitution
(d) cells having different genetic constitutions
Answer : (c)
Q19. The pollen grains of flowers pollinated by insects are :
(a) smooth and dry
(b) rough and sticky
(c) rough and dry
(d) large and showy
Answer : (b)
Q20. The disease caused by Asbestos is :
(a) Emphysema
(b) Paralysis
(c) Diarrhea
(d) Dysentery
Answer : (a)
Q21. In the eye colour vision is effected by the presence of:
(a) Choroid coat
(b) Sclerotic coat
(c) Rods
(d) Cones
Answer : (d)
Q22. Which of the following is NOT one of the important steps
in processing tea leaves?
(a) Rolling
(b) Drying
(c) Fermenting
(d) Withering
Answer : (c)
Q23. Dehydration in human body is caused due to the loss of:
(a) vitamins
(b) salts
(c) hormones
(d) water
Answer : (d)
Q24. Which of the following is the largest living bird ?
(a) Eagle
(b) Peacock
(c) Ostrich
(d) Kiwi
Answer : (c)
Q25. In the case of test tube babies
(a) egg is fertilized in the uterus.
(b) embryo completes its development in a test tube.
(c) embiyo is placed in uterus after 2 months.
(d) egg is fertilized outside mother s body.
Answer : (c)
Q26. The age Of trees is determined by its :
(a) girth
(b) height
(c) growth rings
(d) general appearance
Answer : (c)
Q27. Kidney disease in man is caused by the pollutant:
(a) Cadmium
(b) Iron
(c) Cobalt
(d) Carbon
Answer : (a)
Q28. Fruits of this plant are found underground:
(a) Potato
(b) Carrot
(c) Groundnut
(d) Onion
Answer : (c)
Q29. A rare and endangered animal in Silent Valley is :
(a) Musk deer
(b) Tiger
(c) Lion-tailed macaque
(d) Rhino sores
Answer : (c)
Q30. Maximum photosynthetic activity occurs in :
(a) blue and red region of light
(b) green and yellow region of light
(c) blue and orange region of light
(d) violet and orange region of tight
Answer : (a)
Q31. AIDS virus has :
(a) single-stranded RNA
(b) double-stranded RNA
(c) single-stranded DNA
(d) double stranded DNA
Answer : (a)
Q32. A breath test used by traffic police to check drunken
driving uses:
(a) potassium dichromate-sulphuric acid
(b) potassium permanganate-sulphuric acid
(c) turmeric on filter paper
(d) silica gel coated with silver nitrate
Answer : (a)
Q33. MOCKTIME.COM ONLINE TEST SERIES CORRESPONDENCE COURSE
AngloNubian is a breed of:
(a) sheep
(b) goat
(c) poultry
(d) cattle
Answer : (b)
Q34. What kind of soil is treated with gypsum to make it
suitable for cropping?
(a) Alkaline
(b) Acidic
(c) Water-logged
(d) Soil with excessive clay content
Answer : (a)
Q35. Typhoid fever is caused by
(a) virus
(b) bacteria
(c) fungus
(d) allergy
Answer : (b)
Q36. Which of the following blood group is a universal recipient?
(a) A
(b) B
(c) AB
(d) O
Answer : (c)
Q37. Rod shaped bacteria is called
(a) Bacillus
(b) Spirillum
(c) Coccus
(d) Coma
Answer : (a)
Q38. The animal which has become extinct recently in India happens to be
(a) Golden cat
(b) Cheetah
(c) Wooly wolf
(d) Rhinoceros
Answer : (b)
Q39. All the progeny obtained from a single plant by vegetative propagation are called
(a) Clones
(b) Pure line
(c) Indeed line
(d) Pedigree line
Answer : (a)
Q40. What is a Sponge ?
(a) A fungus
(b) A fossil
(c) A plant
(d) An animal
Answer : (d)
Q41. Which of the following blood groups may be present in the children of a couple having blood groups A and B respectively?
(a) A and B only
(b) A B and AB
(c) A B AB and O
(d) A B only
Answer : (c)
Q42. Which of the following diseases is caused by a virus?
(a) Poliomyelitis
(b) Malaria
(c) Whooping cough
(d) Ringworm
Answer : (a)
Q43. Which of the following is known as Vitamin B1?
(a) Retinol
(b) Thiamin
(c) Riboflavin
(d) Ascorbic Acid
Answer : (b)
Q44. Which of the following is true ?
(a) DNA is the genetic material in most of the organism
(b) RNA is the genetic material in most viruses and bacteria
(c) DNA is the genetic material in all the viruses
(d) RNA is the genetic material in all the viruses
Answer : (a)
Q45. Pathogenic bacteria secrete
(a) Antigens
(b) Antibodies
(c) Hormones
(d) Interferon’s
Answer : (a)
Q46. Where is the Botanical Survey of India headquartered ?
(a) Lucknow
(b) Darjeeling
(c) Kolkata
(d) Oottaccamund
Answer : (c)
Q47. Who amongst the following was awarded Nobel Prize for path breaking contributions to develop treatment against Parkinson s disease ?
(a) Arvid Carlsson
(b) Walter Kohn
(c) Robert B. Laughlin
(d) Ferid Murad
Answer : (a)
Q48. Which of the following food items is rich in iron ?
(a) Rice
(b) Apple
(c) Pulses
(d) Orange
Answer : (b)
Q49. Who discovered Cholera germs?
(a) Robert Koch
(b) Rene Laennec
(c) Dresser
(d) Hansen
Answer : (a)
Q50. Sweetex used by the diabetic patients has energy content of:
(a) Five calories
(b) Ten calorie
(c) Hundred calories
(d) Zero calories
Answer : (d)
Q51. The element which Is the most abundant In the human body is:
(a) Oxygen
(b) Carbon
(c) Iron
(d) Nitrogen
Answer : (a)
Q52. Oxygen liberated during photosynthesis is coming from
(a) Carbon dioxide
(b) Water
(c) Bresk down of chlorophy II
(d) Atmosphere
Answer : (b)
Q53. Which of the following is NOT included in the Technology Mission?
(a) Oil seeds
(b) Pulses
(c) Maize
(d) Vegetables
Answer : (d)
Q54. Who discovered sex hormones?
(a) Dreser
(b) Eugen Steinach
(c) Edward Calvin
(d) Samuel Cohen
Answer : (b)
Q55. Fermentation Is a process of decomposition of an organic compound by
(a) catalysts
(b) enzymes
(c) carbanions
(d) free radicals
Answer : (b)
Q56. What are the basic units from which human spare parts can be created?
(a) Nerve cells
(b) Stem cells
(c) Heart cells
(d) Kidney cells
Answer : (b)
Q57. Adherent mucoid alkaline substance covering the inner lining of stomach is to :
(a) digest starch
(b) act against bacteria
(c) prevent the action of pepsin of mucosa
(d) prevent viral Infection
Answer : (c)
Q58. The area of the human tongue sensitive to bitterness is restricted to :
(a) tip
(b) edges
(c) middle part
(d) posterior part
Answer : (d)
Q59. Amniocentesis is a method for
(a) determination of fetal health conditions
(b) determination of the amino acids sequence:
(c) inducing abortion
(d) artificial insemination
Answer : (a)
Q60. During photosynthesis the liberated gas is :
(a) Carbon dioxide
(b) Oxygen
(c) Nitrogen
(d) Hydrogen
Answer : (b)
Q61. Which of the following blood cells is compulsory for blood coagulation?
(a) Platelets
(b) Red Blood Corpuscles
(c) White Blood Corpuscles
(d) Lymphocites
Answer : (a)
Q62. Which was the first antibiotic ?
(a) Terramycin
(b) Neomycin
(c) Penicillin
(d) Streptomycin
Answer : (c)
Q63. Virus contains
(a) Protein and lipid
(b) Nucleic acid and protein
(c) Lipid and carbohydrate
(d) Carbohydrate and nucleic add
Answer : (a)
Q64. By which the sex of a child is determined before birth ?
(a) Sperms of father
(b) Foetus of mother
(c) Both
(d) and
Answer : (b)
Q65. What may be the cause of malfunctioning of thyroid gland ?
(a) Iodine deficiency
(b) Iron deficiency
(c) Calcium deficiency
(d) Vitamin C
Answer : (a)
Q66. How many feet has a crab got?
(a) 12
(b) 10
(c) 8
(d) 6
Answer : (c)
Q67. Which one of the following is found only in women ?
(a) Thyroid
(b) Pituitary
(c) Ovary
(d) Adenoid
Answer : (c)
Q68. Which one of the following is NOT a function of kidney ?
(a) Regulation of blood pH
(b) Removal of metabolic wastes from the body
(c) Production of antibodies
(d) Regulation of osmotic pressures of the blood
Answer : (c)
Q69. Water In plants is transported by
(a) cambium
(b) phloem
(c) epidermis
(d) xylem
Answer : (d)
Q70. Where are the Eucalyptus trees found in abundance ?
(a) Mizo Hills
(b) Naga Hills
(c) Manipur Hills
(d) Nilgiri Hills
Answer : (d)
Q71. Which of the following hormone is released in excess quantity during excitement ?
(a) Cortisone
(b) Serotonin
(c) Adrenaline
(d) Estrogen
Answer : (d)
Q72. Clove the commonly used spice is obtained from the
(a) Fruit
(b) Stem
(c) Root
(d) Flower bud
Answer : (d)
Q73. What are the blood corpuscles that help to build up resistance against diseases ?
(a) Leucocytes
(b) Monocytes
(c) Neutrophils
(d) Lymphoctyes
Answer : (a)
Q74. Which is the gland that holds the body s thermostat?
(a) Pineal
(b) Pituitary
(c) Thyroid
(d) Hypothalamus
Answer : (d)
Q75. What is the chromosome number in a human ovum ?
(a) 24
(b) 46
(c) 48
(d) None of these
Answer : (b)
Q76. Hashish is obtained from a plant. From which part of the plant is it obtained ?
(a) Leaves
(b) Stem
(c) Exudate from leaves and female inflorescences.
(d) Exudate from stem and male inflorescences.
Answer : (c)
Q77. Which organ of the body never(rest
(a) Eyes
(b) Pancreas
(c) Liver
(d) Heart
Answer : (d)
Q78. The presence of what distinguishes a plant cell from an animal cell?
(a) Chloroplasts
(b) Cell wall
(c) Cell membrane
(d) Nucleus
Answer : (a)
Q79. The branch of agriculture which deals with the feeding shelter health and breeding of the domestic animals is called
(a) Dairy Science
(b) Veterinary Science
(c) Poultry
(d) Animal Husbandry
Answer : (b)
Q80. Edward Jenner is associated with
(a) Cholera
(b) Typhoid
(c) Smallpox
(d) Paralysis
Answer : (c)
Q81. A plant with compound leaves is
(a) Papaya
(b) Coconut
(c) Peepal
(d) Hibiscus
Answer : (b)
Q82. The scientist who explained about blood circulation for the first time was
(a) Antonyvan Leewen Hock
(b) William Harvey
(c) Gregor-Mendel
(d) Ronald Ross
Answer : (b)
Q83. Which one of the following is not a digestive enzyme ?
(a) Pepsin
(b) Renin
(c) Insulin
(d) Amylopsin
Answer : (c)
Q84. The Theory of Evolution was put forward by
(a) Louis Pasteur
(b) Aristotle
(c) Gregor Mendel
(d) Charles Darwin
Answer : (d)
Q85. In a human body the longest bone is In the
(a) vertebral column
(b) thigh
(c) rib cage
(d) arm
Answer : (b)
Q86. Which of the following food crops has the maximum content of proteins ?
(a) Cassava
(b) Soyabeen
(c) Wheat
(d) Maize
Answer : (b)
Q87. Where did the new form of pneumonia “SARS" start ?
(a) Canada
(b) Singapore
(c) China
(d) Thailand
Answer : (c)
Q88. The total number of vertebrae in a human being is
(a) 26
(b) 30
(c) 29
(d) 33
Answer : (d)
Q89. On the average what percentage of human body has the element of oxygen ?
(a) 65
(b) 25
(c) 10
(d) 5
Answer : (a)
Q90. BCG vaccination is to be given to a newborn child
(a) immediately after birth
(b) within 48 hours
(c) within seven days
(d) within six months
Answer : (b)
Q91. The hybrid between horse and donkey is called
(a) Pony
(b) Colt
(c) Mule
(d) Zebra
Answer : (c)
Q92. Glaucoma is a disease of the
(a) Skin
(b) Lungs
(c) Liver
(d) Eyes
Answer : (d)
Q93. The chemical used for destroying Fungi in water tanks is
(a) Copper sulphate
(b) Magnesium sulphate
(c) Zinc sulphate
(d) Nitric acid
Answer : (a)
Q94. Human kidney disorder is caused by the pollution of
(a) Cadmium
(b) Iron
(c) Cobalt
(d) Carbon
Answer : (a)
Q95. Dehydration in human body is caused due to the deficiency of
(a) Vitamin
(b) Salt
(c) Hormone
(d) Water
Answer : (d)
Q96. Who among the following analysed DNA for the first time ?
(a) Arthur Comberg
(b) Hargobind Khurana
(c) M. W. Nirenberg
(d) Watson and Krick
Answer : (d)
Q97. Which among the following bears smallest living cell
(a) Bacterium
(b) Mollusk plasma
(c) Virus
(d) Yeast
Answer : (a)
Q98. Yawning occurs
(a) due to excess concentration of CO2 in blood
(b) due to excess concentration of CO2 in lungs
(c) due to excess concentration of CO2 in lungs
(d) None of these
Answer : (a)
Q99. Which among the following living being has respiratory organ but does not have brain ?
(a) crab
(b) starfish
(c) blood succor
(d) silverfish
Answer : (b)
Q100. Which vitamin helps in blood coagulation?
(a) Vitamin-A
(b) Vitamin-C
(c) Vitamin-K
(d) Vitamin-E
Answer : (c)
Q101. A substance that stimulates the production of antibodies when Introduced into a living organism is known as
(a) carcinogen
(b) androgen
(c) antigen
(d) estrogen
Answer : (c)
Q102. Darwin finches refer to a group of
(a) Fishes
(b) Lizards
(c) Birds
(d) Amphibians
Answer : (c)
Q103. The tissue in man where no cell division occurs after birth is
(a) skeletal
(b) nerves
(c) connective
(d) germinal
Answer : (b)
Q104. The source of oxygen generated during photosynthesis is :
(a) water
(b) carbon dioxide
(c) chlorophyll
(d) mesophyll cells
Answer : (a)
Q105. Which one of the following elements is associated with teeth disorder?
(a) Chlorine
(b) Fluorine
(c) Bromine
(d) Iodine
Answer : (b)
Q106. Which one of the following is an abnormal constituent of urine ?
(a) Creatinine
(b) Urea
(c) Uric acid
(d) Ketone bodies
Answer : (d)
Q107. Which one of the following cells produces antibodies ?
(a) Eosinophil
(b) Monocyte
(c) Basophil
(d) Lymphocytes
Answer : (d)
Q108. The Vitamin which helps In clotting of blood is :
(a) A
(b) D
(c) B
(d) K
Answer : (d)
Q109. At very high altitude the Red Blood Corpuscles In the human body will:
(a) increase In size
(b) decrease in size
(c) increase in number
(d) decrease in number
Answer : (a)
Q110. A test tube baby means :
(a) a baby grown in a test tube.
(b) embryo fertilised in uterus and developed in test tube.
(c) embryo fertilised and developed in uterus.
(d) fertilisation in vitro and then transplantation in the uterus.
Answer : (d)
Q111. The metal present in insulin is
(a) Copper
(b) iron
(c) Zinc
(d) Magnesium
Answer : (c)
Q112. Roundworm Is a human parasite found in the
(a) Small Intestine
(b) Liver
(c) Stomach
(d) Large intestine
Answer : (d)
Q113. Which of the following is a rich source of Vitamin B12?
(a) Cashew nut
(b) milk
(c) Apple
(d) Watermelon
Answer : (b)
Q114. What is the number of chromosomes in a normal human body
(a) 43
(b) 44
(c) 45
(d) 46
Answer : (d)
Q115. Xerophthalmia is a deficiency disease caused by lack of
(a) Vitamin A
(b) Vitamin B
(c) Vitamin C
(d) Vitamin D
Answer : (a)
Q116. Out of the following glands which is referred to as the mastergland
(a) Thyroid
(b) Adrenal gland
(c) Pituitary
(d) Pancreas
Answer : (c)
Q117. What is an antibiotic?
(a) A chemical compound produced by a living organism(that inhibits the growth of other organisms
(b) A compound synthesized by a living organism that inhibits the growth of microbes
(c) A synthetic compound inhibiting the growth of other organisms
(d) A synthetic compound inhibiting the growth of bacteria
Answer : (d)
Q118. Carbohydrate is stored in the body as
(a) glucose
(b) starch
(c) glycogen
(d) sucrose
Answer : (c)
Q119. Which was the first enzyme isolated in pure crystalline form ?
(a) Amylase
(b) Catalase
(c) Lipase
(d) Clrease
Answer : (a)
Q120. Process of digestion is helped by
(a) Enzyme
(b) Hormone
(c) Mineral
(d) (4Vitamin
Answer : (a)
Q121. Which is the organ that excretes water fat and various catabolic wastes?
(a) Kidney
(b) Skin
(c) Spleen
(d) Salivary glands
Answer : (a)
Q122. The animal which uses sounds as its eyes is
(a) Dog
(b) Cat
(c) Snake
(d) Bat
Answer : (d)
Q123. Pregnant women usually become deficient in
(a) Sodium and Calcium
(b) Iron and Sodium
(c) Calcium and Iron
(d) Magnesium and Iron
Answer : (c)
Q124. Which components of light area absorbed by chlorophyll ?
(a) Violet and red
(b) indigo and orange
(c) Blue and red
(d) Violet and yellow
Answer : (a)
Q125. Ginger is a stem and not a root because
(a) It stores food material
(b) It grows horizontal in the soil
(c) It has nodes and internodes
(d) It lacks chlorophyll
Answer : (c)
Q126. Eyes of potato are useful for
(a) Nutrition
(b) reproduction
(c) Reproduction
(d) Vegetative propagation
Answer : (d)
Q127. Taenia sodium (Tape worm) lives as a parasite in
(a) Pig
(b) Abdomen of man/ woman
(c) Intestine of man/woman
(d) Liver of man/woman
Answer : (c)
Q128. An ant can see the objects all around it due to the presence of
(a) Simple Eyes
(b) Eyes over the head
(c) Well-developed eyes
(d) Compound eyes
Answer : (d)
Q129. What is the approximate time required for a heartbeat ?
(a) 5 second
(b) 8 second
(c) 5 minute
(d) 0 minute
Answer : (b)
Q130. Which of the following elements is obtained from the sea algae ?
(a) Argon
(b) Sulpher
(c) Vanadium
(d) Iodine
Answer : (d)
Q131. Which of the following is not a component of chlorophyll ?
(a) Hydrogen
(b) Magnesium
(c) Carbon
(d) Calcium
Answer : (d)
Q132. Which of the following is the largest living bird ?
(a) Peacock
(b) Ostrich
(c) Dodo
(d) Turkey
Answer : (b)
Q133. In which of the following generally hormone is not found ?
(a) Rat
(b) Monkey
(c) Bacteria
(d) Cat
Answer : (d)
Q134. The causative organism of dengue fever is
(a) Fungus
(b) Bacteria
(c) Protozoa
(d) Virus
Answer : (d)
Q135. Which of the following is considered to be the best cholesterol ?
(a) VLDL
(b) LDL
(c) HDL
(d) Triglycerides
Answer : (c)
Q136. Thalassemia is a hereditary disease. It affects
(a) Blood
(b) Spleen
(c) Lungs
(d) Heart
Answer : (a)
Q137. Which of the following represents a food chain involving a producer a vegetarian and a nonvegetarian?
(a) Grass - Insect - Elephant
(b) Plant - Rabbit - Tiger
(c) Fish - Insect - Whale
(d) Tiger - Rabbit - Owl
Answer : (b)
Q138. Which of the following makes the skin layer impervious to water ?
(a) Collagen
(b) Melanin
(c) Keratin
(d) Chitin
Answer : (c)
Q139. Two richest known sources of edible protein are
(a) meat and eggs
(b) milk and vegetables
(c) soybean and groundnut
(d) some type of algae and other micro-organisms
Answer : (c)
Q140. Which of the following weeds has been found useful to check water pollution caused by industrial affluent ?
(a) Parthenium
(b) Elephant grass
(c) Water hyacinth
(d) Both
Answer : (c)
Q141. Which of the following is correlated with blood pressure ?
(a) Liver
(b) Testis
(c) Pancreas
(d) Adrenal
Answer : (d)
Q142. Which of the following structures present in mammalian skin directly helps in keeping the body warm?
(a) Pigmented cells
(b) Sweat glands
(c) Lymph vessels
(d) Blood capillaries
Answer : (c)
Q143. Which from the following diseases usually spreads through milk? ”
(a) Tuberculosis
(b) Jaundice
(c) Diphtheria
(d) Cholera
Answer : (a)
Q144. Which are the largest fixator of solar energy ?
(a) Bacteria
(b) Protozoa
(c) Fungi
(d) Green plants
Answer : (d)
Q145. Which of the following is a correct description of tissue culture ?
(a) Conservation of forests and plantation
(b) Growth and propagation of horticultural crops
(c) Science of cultivating animal tissue in artificial medium
(d) Protection of wild animals
Answer : (c)
Q146. Study of field crops is called
(a) Pomology
(b) Agronomy
(c) Olericulture
(d) Floriculture
Answer : (b)
Q147. Carrot is orange in colour because
(a) It grows in the soil
(b) It is not exposed to sunlight
(c) It contains carotene
(d) The entire plant is orange in colour
Answer : (c)
Q148. Select the bio fertilizer in the following :
(a) Compost
(b) Ammonium sulphate
(c) Cattle dung -
(d) Algae and blue-green algae
Answer : (d)
Q149. Full form of the infectious disease SARS is
(a) Syndrome Associated with Respiratory Symptoms
(b) Severe Acute Respiratory Syndrome
(c) Severe Asthmatic Respiratory Syndrome
(d) Syndrome Alarm on Respiratory System
Answer : (b)
Q150. Insects responsible for transmitting diseases are called
(a) Vector
(b) Transmitter
(c) Drones
(d) Conductor
Answer : (a)
Q151. Camel is a desert animal that can live without water for many days because
(a) it does not need water
(b) water is formed in the body due to oxidation of fat
(c) it has the water sac in the walls of the lumen of stomach
(d) All of the above
Answer : (d)
Q152. Which of these components of the blood is responsible
for clotting?
(a) R.B.C.
(b) Lymphocytes
(c) Monocytes
(d) Platelets
Answer : (d)
Q153. Founder of Homeopathy is
(a) Samuel Hahnemann
(b) Hippocrates
(c) Charaka
(d) Sushrutha
Answer : (a)
Q154. Development of an egg without fertilization is called
(a) Gametogenesis
(b) Parthenogenesis
(c) Oogenesis
(d) Metamorphosis
Answer : (b)
Q155. Match List I with List II and select the correct answer using the codes given below the lists:
List I : Symptom
A. weak sight
B. anemia
C. skin problems
D. breaking of bones
List II : Cause
Deficiency of iron
Deficiency of vitamin A
Deficiency of vitamin C
Deficiency of calcium
(a) A B C D 2413
(b) A B C D3214
(c) A B C D3124
(d) A B C D2341
Answer : (c)
Q156. In the process of dialysis used on patients with affected
kidneys the phenomenon involved Is
(a) Diffusion
(b) Absorption
(c) Osmosis
(d) Electrophoresis
Answer : (c)
Q157. What is the normal blood sugar level of a human being?
(a) Close to 10 mg/ml
(b) 120 -150 mg/ dl
(c) 80 - 90 mg/ dl
(d) 150-200 mg/dl
Answer : (b)
Q158. Literal meaning of the term “Homo Sapiens” is
(a) Man-The Wise
(b) Man - The Supreme
(c) Man - The Omnivore
(d) Man-The Fool
Answer : (a)
Q159. During photosynthesis in plants the gas evolved is
(a) Carbon dioxide
(b) Nitrogen
(c) Oxygen
(d) Hydrogen
Answer : (c)
Q160. The seeds of certain plants fail to germinate if they do not pass through the digestive tract of fruiteating birds. This is due to
(a) hibernation
(b) seed coat impermeability
(c) infertility
(d) vegetative reproduction
Answer : (b)
Q161. Sucrose content in sugarcane decreases
(a) if high rainfall occurs during the period of growth of the plant
(b) if frost occurs during the period of ripening
(c) if there is fluctuation in temperature during the period of growth of the plant
(d) if there is high temperature during the time of ripening
Answer : (b)
Q162. The concept of survival of the fittest was first advocated by
(a) Oparin
(b) Darwin
(c) Spencer
(d) Haeckel
Answer : (b)
Q163. Deficiency of vitamin D in children causes
(a) beriberi
(b) pellagra
(c) rickets
(d) scurvy
Answer : (c)
Q164. In man the normal number of chromosomes is
(a) 42
(b) 44
(c) 46
(d) 48
Answer : (c)
Q165. Scurvy is a disease which is caused due to the deficiency of vitamin
(a) A
(b) K
(c) C
(d) B12
Answer : (c)
Q166. Respiration is
(a) oxidation
(b) reduction
(c) hydrolysis
(d) amination
Answer : (a)
Q167. During photosynthesis green plants absorb
(a) nitrogen
(b) carbon dioxide
(c) carbon monoxide
(d) oxygen
Answer : (b)
Q168. Tamiflu is frontline drug against
(a) bird flu
(b) cancer
(c) AIDS
(d) polio
Answer : (a)
Q169. Why excessive heating and repeated use Of cooking oil are most undesirable?
(a) The oil vapour can cause indoor pollution
(b) Carcinogenic substances like benzpyrene are produced
(c) Nutrient value of food is lost
(d) Loss and wastage of oil
Answer : (b)
Q170. The name of the first cloned sheep was
(a) Molly
(b) Dolly
(c) Jolly
(d) Roly
Answer : (b)
Q171. Through Photosynthesis green plants generate
(a) inorganic materials.
(b) minerals
(c) organic materials
(d) nutrients
Answer : (c)
Q172. Lac is produced from
(a) a tree
(b) an insect
(c) an cat
(d) a muskrat
Answer : (b)
Q173. Quarantine regulation is concerned with
(a) growing of better varieties of plant
(b) prevention of entry of diseased organism
(c) spraying of insecticide over diseased plants
(d) identification of diseased organism
Answer : (b)
Q174. Toxicology is related to the study of
(a) viruses
(b) bacteria
(c) diseases
(d) poisons
Answer : (d)
Q175. Which of the following hormones is released in excess
quantity during excitement ?
(a) Cortisone
(b) Serotonin
(c) Adrenaline
(d) Oestrogen
Answer : (c)
Q176. Scientific study of birds is known as
(a) Limnology
(b) Herpetology
(c) Malacology
(d) Ornithology
Answer : (d)
Q177. Which one of the following is a nonpoisonous of snake ?
(a) Cobra
(b) Dryophis
(c) Elapes
(d) Python
Answer : (d)
Q178. Which among the following is used in the treatment of tuberculosis ?
(a) Penicillin
(b) Aspirin
(c) Paracetamol
(d) Dettol
Answer : (a)
Q179. Which part of human body is first highly affected by nuclear radiation?
(a) Eyes
(b) Lungs
(c) Skin
(d) Bone Marrow
Answer : (c)
Q180. Olive Ridley is a famous
(a) cricketer
(b) turtle species
(c) grass type vegetation
(d) Another name for olive tree
Answer : (b)
Q181. The standard audible capacity of a healthy human being as per World Health Organisation is in the range of
(a) 45-50 decibels
(b) 200-250 decibels
(c) 5-10 decibels
(d) 2000-2500 decibels
Answer : (c)
Q182. Jonas Salk invented the vaccine for
(a) Polio
(b) Hepatitis
(c) Typhoid
(d) Cholera
Answer : (a)
Q183. Cancer is a disease where we find uncontrolled
(a) cell division
(b) cell swelling
(c) cell inflammation
(d) cell deformity
Answer : (a)
Q184. Lac which is used as sealing wax is produced by
(a) stem
(b) root
(c) insect
(d) bird°
Answer : (c)
Q185. Triple vaccine is administered to a new born child to immunize it against
(a) whooping cough tetanus and measles
(b) whooping cough tetanus and diphtheria
(c) tetanus diphtheria measles- and rubella
(d) tetanus diphtheria small pox and rubella
Answer : (b)
Q186. An antibiotic is
(a) a chemical synthesized by a human cell against a microorganism
(b) a chemical synthesized by a micro-organism against an-x other micro-organisms
(c) a substance produced by blood cells against bacteria
(d) a substance produced by blood cells against infection.
Answer : (b)
Q187. Which one of the following can be synthesized by Liver ?
(a) Vitamin-A
(b) Vitamin-E
(c) Vitamin-D
(d) Vitamin - K
Answer : (d)
Q188. Fluid part of blood devoid of corpuscles is called
(a) Tissue fluid
(b) Plasma
(c) Serum
(d) Lymph
Answer : (c)
Q189. Heart murmur indicates a
(a) defective valve
(b) poor oxygenation
(c) dislocation of the heart
(d) improper development of muscles
Answer : (a)
Q190. The language used In writing the scientific name of animals is
(a) French
(b) Latin
(c) German
(d) Dutch
Answer : (b)
Q191. Ripe grapes contain
(a) Fructose
(b) Sucrose
(c) Galactose
(d) Glucose
Answer : (a)
Q192. M.R.I. stands for
(a) Metered Resonance Imaging
(b) Magnetic Resonance Imaging
(c) Magnetic Reaction Imaging
(d) Metered Reaction Imaging
Answer : (b)
Q193. The science dealing with the study of teeth is
(a) Odontology
(b) Ornithology
(c) Phenology
(d) Cosmology
Answer : (a)
Q194. The enzyme In whose presence glucose and fructose are converted into alcohol is
(a) Diastase
(b) Maltase
(c) Invertase
(d) Zymase
Answer : (d)
Q195. The study of visceral organs is
(a) Angiology
(b) Arthrology
(c) Anthrology
(d) Splanchnology
Answer : (d)
Q196. The branch of biology dealing with the study of cells is known as
(a) Cytology
(b) Histology
(c) Psychology
(d) Physiology
Answer : (a)
Q197.The study of extinct animals is called
(a) Herpetology
(b) Ornithology
(c) Geology
(d) Palaeontology
Answer : (d)
Q198. The medical term used for the sleeplessness is
(a) Somnambulism
(b) Insomnia
(c) Hallucination
(d) Nyctinuria
Answer : (b)
Q199. The causative agent of Tuberculosis is
(a) Mycobacterium
(b) Aspergillus
(c) Rhabdovirus
(d) HIV
Answer : (a)
Q200. The enzyme that is present in the saliva of man is
(a) Pepsin
(b) Renin
(c) Amylase
(d) Trypsin
Answer : (c)
Q201. Blood cancer is otherwise called as
(a) Anaemia
(b) Polycythemia
(c) Leucopenia
(d) Leukaemia
Answer : (d)
Q202. Radioimmunoassay (RIA) is a therapy used
(a) to cure lung cancer
(b) to cure AIDS
(c) to cure fractures in bones
(d) to detect antibodies and hormones present in the blood samples
Answer : (d)
Q203. Which one of the following is not a true snake ?
(a) Glass snake
(b) Sea snake
(c) Tree snake
(d) Blind snake
Answer : (a)
Q204. Which one of the following set belongs to the class Mammalia ?
(a) Lion Hippopotamus Penguin Bat.
(b) Lion Bat Whale Ostrich
(c) Hippopotamus Penguin Whale Kangaroo
(d) Whale Bat Kangaroo Hippopotamus
Answer : (d)
Q205. Which one of the following pairs belongs to
cartilaginous fish ?
(a) Shark and Tuna
(b) Shark and Ray
(c) Skates and Hilsa
(d) Ray and Eel
Answer : (b)
Q206. Which of the following has no skeleton at all ?
(a) Star fish
(b) Sponge
(c) Jellyfish
(d) Silver fish
Answer : (d)
Q207. What is an endoscope ?
(a) It is an optical instrument used to see inside the alimentary canal
(b) It is a device which is fitted oh the chest of the patient to regularize the irregular heart beats
(c) It is an instrument used for examining ear disorders
(d) It is an instrument for recording electrical signals produced by human muscles
Answer : (a)
Q208. The age of a tree can be determined more or less accurately by
(a) counting the number of branches
(b) measuring the height of the tree
(c) measuring the diameter of the trunk
(d) counting the number of rings in the trunk
Answer : (d)
Q209. Of all microorganisms the most adaptable and versatile are
(a) Viruses
(b) Bacteria
(c) Algae
(d) Fungi
Answer : (a)
Q210. The disease in which the sugar level of blood increases is known as
(a) Diabetes mellitus
(b) Diabetes insipid us
(c) Diabetes imperfectus
(d) Diabetes sugarensis
Answer : (a)
Q211. Which one of the following is not a mosquito borne disease?
(a) Dengue fever
(b) Filariasis
(c) Sleeping sickness
(d) Malaria
Answer : (c)
Q212. Which one of the following is the tallest bird?
(a) Peacock
(b) Penguin
(c) Ostrich
(d) Emu
Answer : (c)
Q213. Which one of the following animals Is called farmer s friend ?
(a) Ant
(b) Earthworm
(c) Bee
(d) Butterfly
Answer : (b)
Q214. The term gene was coined by
(a) T. H. Morgan
(b) W. L. Johanssen
(c) G. Mendel
(d) De Vries
Answer : (b)
Q215. Which one of the following creatures has maximum number of ribs ?
(a) Crocodile
(b) Snake
(c) Ray fish
(d) Flying mammal
Answer : (b)
Q216. Which one of the following is most important for the growth of children up to the age of 14?
(a) Protein
(b) Vitamin
(c) Fat
(d) Milk
Answer : (a)
Q217. Study of newly born up to the age of 3 months is called
(a) Chorology
(b) Conchology
(c) Nematology
(d) Neonatology
Answer : (d)
Q218. Which one of the following does not secrete any digestive enzyme?
(a) Liver
(b) Salivary gland
(c) Glands of small intestine
(d) Pancreas
Answer : (a)
Q219. Which tine of the following is related to Silvi culture ?
(a) Culture of Hilsa
(b) Culture of silver carp
(c) Culture of oil-producing plants
(d) Forest crops
Answer : (d)
Q220. The term GM food refers to the food
(a) that grows Under genetic measures
(b) that is genetically modified
(c) that grows under geographical modification
(d) with greater glucose metabolism
Answer : (b)
Q221. Which of the following is a fish?
(a) Silverfish
(b) Starfish
(c) Dogfish
(d) Cuttlefish
Answer : (c)
Q222. The colour of human skin is produced by
(a) Hemoglobin
(b) Insulin
(c) Adrenaline
(d) Melanin
Answer : (d)
Q223. Which one of the following is not transmitted via blood transfusion?
(a) Hepatitis
(b) Typhoid
(c) HIV
(d) Malaria
Answer : (b)
Q224. Flat footed camels can walk easily in sandy deserts because
(a) pressure on the sand is decreased by increasing the area of the surface in contact
(b) pressure on the sand is increased by increasing the area of the surface in contact
(c) pressure on the sand is decreased by decreasing the area of the surface in contact
(d) pressure on the sand is increased by decreasing the area of the surface in contact
Answer : (a)
Q225. Which one of the following is not a plant product?
(a) Caffeine
(b) Pipeline
(c) Nicotine
(d) Saccharin
Answer : (d)
Q226. Which is the anticoagulant substance in blood?
(a) Fibrinogen
(b) Heparin
(c) Thrombin
(d) Globin
Answer : (b)
Q227. In which of the following groups animals bear no teeth?
(a) Peacock Ostrich Tortoise
(b) Owl Loris Crow
(c) Alligator Turtle Tortoise
(d) Turtle Kiwi Cow
Answer : (a)
Q228. Jaundice is a symptom of disease of
(a) Kidney
(b) Liver
(c) Pancreas
(d) Thyroid
Answer : (b)
Q229. The vaccination against small pox involves the introduction of
(a) killed germs
(b) weakened germs
(c) live antibodies
(d) activated germs
Answer : (b)
Q230. Deficiency of Vitamin B6 in man causes
(a) rickets
(b) scurvy
(c) beri-beri
(d) anaemia
Answer : (d)
Q231. First successful heart transplantation was done by
(a) D.S. Paintal
(b) C.N. Barnard
(c) D. Shetty
(d) P. K. Sen
Answer : (b)
Q232. Washing of peeled vegetables removes the vitamin
(a) A
(b) C
(c) D
(d) E
Answer : (b)
Q233. A man with colour blindness will see red as
(a) Yellow
(b) Blue
(c) Green
(d) Violet
Answer : (c)
Q234. The metal which is a constituent of vitamin B12 is
(a) Iron
(b) Magnesium
(c) Zinc
(d) Cobalt
Answer : (d)
Q235. According to WHO the bird flue virus cannot be transmitted through food cooked beyond
(a) 60 degrees Celsius
(b) 70 degrees Celsius
(c) 90 degrees Celsius
(d) 100 degrees Celsius
Answer : (b)
Q236. The number of chambers in a human heart is
(a) Four
(b) Two
(c) Three
(d) Five
Answer : (a)
Q237. A universal recipient belongs to the blood group
(a) AB
(b) O
(c) B
(d) A
Answer : (a)
Q238. The vitamin that helps in blood clotting is
(a) Vitamin C
(b) Vitamin D
(c) Vitamin E
(d) Vitamin K
Answer : (d)
Q239. Which of the following is a perfect match ?
(a) Coronary attack - vascular dilation
(b) Atherosclerosis - blockage of arteries
(c) Hypertension- low blood pressure
(d) Hypotension - heart attack
Answer : (d)
Q240. Which of the following is correct about cold blooded animals ?
(a) Their blood remains cold all the time
(b) Their body temperature changes in accordance with the atmosphere
(c) Their body temperature remains constant all the time
(d) They kill all the animals they come across
Answer : (b)
Q241. If the blood group Of one parent is AB and that of the other O the possible blood group of their child would be
(a) A or B
(b) A or B or O
(c) A or AB or O
(d) A or B or AB or O
Answer : (a)
Q242. How many bones are there in the human body?
(a) 187
(b) 287
(c) 206
(d) 306
Answer : (c)
Q243. Dinosaurs were
(a) mammals that became extinct
(b) large herbivorous creatures which gave rise to hippopotamus species
(c) egg-laying mammals
(d) reptiles that became extinct
Answer : (d)
Q244. Sweat glands in mammals are primarily concerned with
(a) removal of excess salts
(b) excretion of nitrogenous wastes
(c) thermoregulation
(d) sex-attraction
Answer : (c)
Q245. The vitamin that helps to prevent infections in the
human body is
(a) vitamin A
(b) vitamin B
(c) vitamin C
(d) vitamin D
Answer : (c)
Q246. The normal RBC count in adult male is
(a) 5 million
(b) 0 million
(c) 5 million
(d) 0 million
Answer : (b)
Q247. Which of the following is the sweetest sugar ?
(a) Sucrose
(b) Glucose
(c) Fructose
(d) Maltose
Answer : (c)
Q248. The H5N1 virus which causes bird flu was first discovered in
(a) 1991
(b) 1995
(c) 1997
(d) 2001
Answer : (c)
Q249. Tetanus is caused by
(a) Clostridium
(b) Virus
(c) Bacteriophage
(d) Salmonella
Answer : (a)
Q250. Vitamin E Is particularly important for
(a) development of teeth
(b) carbohydrate metabolism
(c) normal activity of sex glands
(d) general health of epithelial tissues
Answer : (c)
Q251. Birds usually have a single
(a) Kidney
(b) Lung
(c) Testis
(d) Ovary
Answer : (d)
Q252. Blood pressure is controlled by
(a) Adrenal gland
(b) Thyroid gland
(c) Thymus
(d) Corpus Luteum
Answer : (a)
Q253. The carbon dioxide content in the air that we exhale is about
(a) 4%
(b) 8%
(c) 12%
(d) 16%
Answer : (a)
Q254. Maximum harm to a tree is caused by
(a) Loss of half of its leaves
(b) loss of all leaves
(c) loss of half of Its branches
(d) loss of its bark
Answer : (b)
Q255. Mineral constituent of chlorophyll is
(a) Iron
(b) Magnesium
(c) Calcium
(d) Potassium
Answer : (b)
Q256. Which of the part of tongue bears cells for sour taste ?
(a) Front
(b) Back
(c) Sides
(d) Middle
Answer : (c)
Q257. The deficiency of Vitamin B causes
(a) Scurvy
(b) Dermatitis
(c) Beri Beri
(d) Phynoderma
Answer : (c)
Q258. In which vertebrate oxygenated and deoxygenated
blood gets mixed?
(a) Fish
(b) Amphibian
(c) Bird
(d) Mammal
Answer : (b)
Q259. The large amount of sugar present in human blood is
(a) sucrose
(b) glucose
(c) fructose
(d) lactose
Answer : (b)
Q260. Which one of the following is a viral disease in man ?
(a) Mumps
(b) plague
(c) Cholera
(d) Syphilis
Answer : (a)
Q261. The expansion for AIDS is
(a) Active Immuno Deficiency Syndrome
(b) Acquired Individual Disease Syndrome
(c) Acquired Immuno Deficiency Syndrome
(d) Acquired Immuno Disease Syndrome
Answer : (c)
Q262. Bee Keeping is known as
(a) Sericulture
(b) Apiculture
(c) Aquaculture
(d) Agriculture
Answer : (b)
Q263. HYV refers to
(a) Hybrid yielding variety
(b) Human yellow virus
(c) High yielding variety
(d) Human yellow vaccine
Answer : (c)
Q264. Among the defects of eye the shortsightedness is called
(a) coma
(b) hypermetropia
(c) myopia
(d) astigmatism
Answer : (c)
Q265. Human cloning is permitted in Britain for the purpose of
(a) Reproduction
(b) Research
(c) Therapeutics
(d) Genetics
Answer : (c)
Q266. Pick out the viral disease among the following:
(a) Hepatitis
(b) Meningitis
(c) Arthritis
(d) Nephritis
Answer : (a)
Q267. Dolly the World s First cloned animal was a
(a) sheep
(b) cow
(c) goat
(d) pig
Answer : (a)
Q268. Vegetables are easily perishable because of their high content of
(a) sugars
(b) water
(c) vitamins
(d) enzymes
Answer : (b)
Q269. Anaemia occurs due to the deficiency of
(a) riboflavin
(b) thiamine
(c) folic acid
(d) niacin
Answer : (c)
Q270. For a healthy heart one needs to take a balanced diet adequate sleep and
(a) indulge in vigorous mental activities
(b) play games like carrom chess and cards
(c) do right amount of physical exercise
(d) do sedentary work
Answer : (c)
Q271. AIDS is a/ an
(a) bacterial disease
(b) viral disease
(c) fungal disease
(d) algal disease
Answer : (b)
Q272. Amoebic dysentery is caused by
(a) Entamoeba histolytic
(b) Salmonella typhi
(c) E coil
(d) Streptococcus pyogenes
Answer : (a)
Q273. DNA test was developed by
(a) Dr. Alec Jeffreys
(b) pr. V.K. Kashyap
(c) Watson and Crick
(d) Gregor Mendel
Answer : (c)
Q274. An ECG shows the functioning of the
(a) brain
(b) heart
(c) lungs
(d) kidneys
Answer : (b)
Q275. Which of the following is incorrect?
(a) AIDS is retroviral disease
(b) AIDS is transmitted by homo and hetero-sexual contact
(c) AIDS was first recognised in USA in 1981
(d) AIDS causes ano-genital warts
Answer : (d)
Q276. If the radius of blood vessels of a person decreases his/her blood pressure will
(a) increase
(b) decrease
(c) remain unaffected
(d) increase for males and decrease for females
Answer : (a)
Q277. Cell or tissue death within a living body is called as
(a) Neutrophilia
(b) Nephrosis
(c) Necrosis
(d) Neoplasia
Answer : (c)
Q278. Insufficient blood supply In human body is referred as
(a) Ischemia
(b) Hyperemia
(c) Hemostasia
(d) Hemorrhage
Answer : (a)
Q279. Deep fried food materials are carcinogenic because they are rich in
(a) Fats
(b) Hydrocarbons
(c) Cooking oil
(d) Nicotine
Answer : (b)
Q280. The toxicity of which of the following heavy metals leads to liver cirrhosis?
(a) Copper
(b) Lead
(c) Mercury
(d) Zinc
Answer : (a)
Q281. Typhoid is caused by
(a) Pseudomonas sp.
(b) Staphylococcus
(c) Bacillus
(d) Salmonella typhi
Answer : (d)
Q282. BCG immunization is for
(a) Measles
(b) Tuberculosis
(c) Diphtheria
(d) Leprosy
Answer : (b)
Q283. Besides carbohydrates a major source of energy in our food is constituted by
(a) Proteins
(b) Fats
(c) Minerals
(d) Vitamins
Answer : (b)
Q284. The limb bones of children become bent if there is deficiency of vitamin
(a) A
(b) B
(c) D
(d) E
Answer : (c)
Q285.A medicine which promotes the secretion of urine is called
(a) Adrenaline
(b) Monouretic
(c) Diuretic
(d) Triuretic
Answer : (c)
Q286. The chemicals released by one species of animals in order to attract the other members of the same species are
(a) Hormones
(b) Nucleic acids
(c) Pheromones
(d) Steroids
Answer : (c)
Q287. Jaundice is caused due to the infection of
(a) Brain
(b) Liver
(c) Kidney
(d) Spleen
Answer : (b)
Q288. The average heart beat rate per minute in a normal
person is
(a) 82
(b) 92
(c) 72
(d) 98
Answer : (c)
Q289. EEC records the activity of
(a) heart
(b) lungs
(c) brain
(d) muscles
Answer : (c)
Q290. The colour of cow s milk is slightly yellow due to the presence of
(a) Xanthophyll
(b) Riboflavin
(c) Ribulose
(d) Carotene
Answer : (d)
Q291. Which one of these is a communicable disease ?
(a) Diabetes
(b) Diphtheria
(c) Arthritis
(d) Cancer
Answer : (b)
Q292. The concentration of which of the following decreases in anemia ?
(a) Hemoglobin
(b) Collagen
(c) Hyoglobin
(d) Myosin
Answer : (a)
Q293. Which of the following diseases usually spreads through air ?
(a) Plague
(b) Typhoid
(c) Tuberculosis
(d) Cholera
Answer : (c)
Q294. Cereals are a rich source of
(a) Starch
(b) Glucose
(c) Fructose
(d) Maltose
Answer : (a)
Q295. Small Pox is caused by
(a) Rubeola Virus
(b) Variola Virus
(c) Varicella
(d) Myxovirus
Answer : (b)
Q296. Respiration process requires
(a) heat
(b) water
(c) oxygen
(d) sunlight
Answer : (c)
Q297. A vitamin requires cobalt for its activity. The vitamin is
(a) Vitamin B12
(b) Vitamin D
(c) Vitamin B2
(d) Vitamin A
Answer : (a)
Q298. Plasma membrane in eukaryotic cells is made up of
(a) Phospholipid
(b) Lipoprotein
(c) Phospholipo-protein
(d) Phospho-protein
Answer : (a)
Q299. Which one of the following is also called the power
plants of the cell?
(a) Golgi body
(b) Mitochondrion
(c) Ribosome
(d) Lysosome
Answer : (b)
Q300. What is the chemical name of vinegar ?
(a) Citric acid
(b) Acetic acid
(c) Pyruvic acid
(d) Malic acid
Answer : (b)
Q301. Animals living in the three trunks are known as
(a) Arboreal
(b) Volant
(c) Amphibious
(d) Aquatics
Answer : (a)
Q302. What happens to a person who receives the wrong type of blood?
(a) All the arteries constrict
(b) All the arteries dialates
(c) The RBCs agglutinate
(d) The spleen and lymphnodes deteriorate
Answer : (c)
Q303. Ringworm is a disease.
(a) Bacterial
(b) Protozoan
(c) Viral
(d) Fungal
Answer : (d)
Q304. Pituitary gland is situated In
(a) the base of the heart
(b) the base of the brain
(c) the neck
(d) the abdomen
Answer : (b)
Q305. From which part of the plant is clove the commonly used spice obtained ?
(a) Fruit
(b) Flower bud
(c) Stem
(d) Root
Answer : (b)
Q306. Chewing gum is made from
(a) Resin
(b) Tannin
(c) Latex
(d) Gum
Answer : (c)
Q307. The brain of human adult weighs about
(a) 1200 - 1300 gm
(b) 1600 - 2000 gm
(c) 500 - 800 gm
(d) 100 - 200 gm
Answer : (a)
Q308. Total number of bones in man is
(a) 206
(b) 224
(c) 300
(d) 306
Answer : (a)
Q309. Which of the following Snakes killed for its beautiful skin has been declared an endangered species ?
(a) Python
(b) King Cobra
(c) Russel Viper
(d) Krait
Answer : (c)
Q310. The colour of the eye depends upon the pigment present In
(a) cornea
(b) iris
(c) rods
(d) cones
Answer : (b)
Q311. The ability of the eye to see in the dark is due to the production of a purple pigment known as
(a) Carotene
(b) Rhodopsin
(c) Iodopsin
(d) Retinene
Answer : (d)
Q312. The vitamin most readily destroyed by heat is
(a) Riboflavin
(b) Ascorbic acid
(c) Tocopherol
(d) Thiamine
Answer : (b)
Q313. Which one of the following is not a vaccine ?
(a) BCG
(b) Anti-rabies
(c) Polio vaccine
(d) Progesterone
Answer : (d)
Q314. The disease that is caused by virus is
(a) Typhoid
(b) Cholera
(c) Common Cold
(d) Tetanus
Answer : (c)
Q315. The locomotory organ of Amoeba is
(a) Pseudopodia
(b) Parapodia
(c) Flagella
(d) Cilia
Answer : (a)
Q316. The number of chromosomes present in normal human being are
(a) 23
(b) 46
(c) 22
(d) 48
Answer : (b)
Q317. An instrument for measuring blood pressure is called
(a) Barometer
(b) Spirometer
(c) Sphygmomanometer
(d) Haemocytometer
Answer : (c)
Q318. The term RH factor refers to
(a) Rhesus factor
(b) Rheumatoid factor
(c) Renal factor
(d) Rhombic factor
Answer : (a)
Q319. The discoverer of penicillin was
(a) Lord Lister
(b) Alexander Fleming
(c) Karl Landsteiner
(d) Walter Reed
Answer : (b)
Q320. Blood groups were discovered by
(a) Altmann
(b) Landsteiner
(c) Losch
(d) Ronald Ross
Answer : (b)
Q321. The animal which can tolerate more summer heat is
(a) Buffalo
(b) Cow
(c) Goat
(d) Donkey
Answer : (c)
Q322. According to Darwin s Theory of Evolution Jong necks in giraffes
(a) arose because of constant attempt to reach leaves on tall trees generation after generation
(b) do not give them any special advantage and is just an accident
(c) give them advantage in finding food because of which those with long necks survive
(d) is a result of the special weather prevalent in African Savannah
Answer : (a)
Q323. Rickets is the deficiency disease of Vitamin D in which the affected part is the
(a) skin
(b) hair
(c) bone
(d) blood
Answer : (c)
Q324. The dried flower buds are used as a spice in
(a) Cardamom
(b) Cinnamon
(c) Cloves
(d) Saffron
Answer : (c)
Q325. The tissue in man where no cell division occurs after birth is
(a) skeletal
(b) nerves
(c) connective
(d) germinal
Answer : (b)
Q326. DNA fingerprinting is used to identify the
(a) Parents
(b) Rapist
(c) Thieves
(d) All the above
Answer : (d)
Q327. The normal cholesterol level in human blood is
(a) 80 - 120 mg%
(b) 120 - 140 mg%
(c) 140 - 180 mg%
(d) 180 - 200 mg%
Answer : (d)
Q328. Which of the following are warmblooded animals ?
(a) Whales
(b) Whale Sharks
(c) Alytes
(d) Draco
Answer : (a)
Q329. Syrinx is the voice box in
(a) Amphibians
(b) Reptiles
(c) Birds
(d) Mammals
Answer : (c)
Q330. In a food chain the solar energy utilized by plants is only
(a) 10 per cent
(b) 100 per cent
(c) 11 per cent
(d) 90 per cent
Answer : (b)
Q331. Which is the largest living bird on Earth?
(a) Emu
(b) Ostrich
(c) Albatross
(d) Siberian Crane
Answer : (b)
Q332. In coriander the useful parts are
(a) roots & leaves
(b) leaves & flowers
(c) leaves & dried fruits
(d) flowers & dried fruits
Answer : (c)
Q333. Which plant is called Herbal Indian Doctor ?
(a) Amla
(b) Mango
(c) Neem
(d) Tulsi
Answer : (a)
Q334. The PH of human blood is
(a) 2
(b) 8
(c) 6
(d) 4
Answer : (d)
Q335. Which amongst the following is largest endocrine gland in the body?
(a) Thyroid
(b) Parathyroid
(c) Adrenal
(d) Pituitary
Answer : (a)
Q336. Which amongst the following is the largest mammal ?
(a) Elephant
(b) Whale
(c) Dinosaur
(d) Rhinoceros
Answer : (b)
Q337. Which part becomes modified as the tusk of elephant ?
(a) Canine
(b) Premolar
(c) Second incisor
(d) Molar
Answer : (c)
Q338. The noble gas used for the treatment of cancer is
(a) Helium
(b) Argon
(c) Krypton
(d) Radon
Answer : (d)
Q339. BT seed is associated with
(a) Rice
(b) Wheat
(c) Cotton
(d) Oil seeds
Answer : (c)
Q340. Bark of this tree is used as a condiment:
(a) Cinnamon
(b) Clove
(c) Neem
(d) Palm
Answer : (a)
Q341. Which of the following is the smallest bird?
(a) Pigeon
(b) Parrot
(c) Hummingbird
(d) House sparrow
Answer : (c)
Q342. White lung disease is prevalent among the workers of:
(a) paper industry
(b) Cement industry
(c) Cotton industry
(d) Pesticide Industry
Answer : (a)
Q343. Iodoform Is used as an :
(a) antipyretic
(b) analgesic
(c) antiseptic
(d) anesthetic
Answer : (c)
Q344. The Optimum dissolved oxygen level (in mg/litre) required for survival Of aquatic organisms is :
(a) 4 - 6
(b) 2 - 4
(c) 8 - 10
(d) 12 - 16
Answer : (a)
Q345. An example of false fruit is
(a) Apple
(b) Guava
(c) Mango
(d) Tomato
Answer : (a)
Q346. 399Normal fasting blood sugar level per 100 ml. of blood in man is
(a) 30 - 50 mg
(b) 50 - 70 mg
(c) 80 -100 mg
(d) 120 -140 mg
Answer : (c)
Q347. The vector of disease sleeping sickness is
(a) sand-fly
(b) house-fly
(c) fruit-fly
(d) tsetse fly
Answer : (d)
Q348. For how many years have the dinosaurs been extinct ?
(a) About 25 million years
(b) About 65 million years
(c) About 35 million years
(d) About 45 million years
Answer : (b)
Q349. Which phenomenon do bats or dolphins use to find prey predators or obstacles ?
(a) Refraction of sound
(b) Formation of beats
(c) Scattering of sound
(d) Echo location
Answer : (d)
Q350. The tallest and thickest type of grass is
(a) Alfalfa
(b) Fodder
(c) Bamboo
(d) Lichens
Answer : (c)
Q351. The process of preventing the birds from flying is called
(a) brailing
(b) debeaking
(c) dubbing
(d) pecking
Answer : (a)
Q352. Veins seen in the leaves serve the function of
(a) Photosynthesis
(b) Transpiration
(c) Storage
(d) Conduction
Answer : (d)
Q353. The edible part of Cabbage is
(a) fruit
(b) condensed flower
(c) vegetative bud
(d) inflorescence
Answer : (c)
Q354. Which of the following processes are associated with lants during dark period?
(a) Photosynthesis and respiration
(b) Respiration and transpiration
(c) Transpiration and conduction
(d) Conduction and respiration
Answer : (d)
Q355. Goitre is caused by the deficiency of
(a) Iodine
(b) Chlorine
(c) Sodium
(d) Calcium
Answer : (a)
Q356. The total number of biosphere reserves present In India are
(a) eleven
(b) ten
(c) fifteen
(d) twelve
Answer : (b)
Q357. The green colour of the leaves is due to the presence of
(a) Proteins
(b) Lipids
(c) Chlorophyll
(d) Carbohydrates
Answer : (c)
Q358. The edible part of an onion is
(a) Modified root
(b) Aerial flower
(c) Aerial stem.
(d) Fleshy leaves y
Answer : (d)
Q359. To which group of blood an universal recipient belongs?
(a) A group
(b) B group
(c) O group
(d) AB group
Answer : (d)
Q360. The normal body temperature of human beings is
(a) 98 °F
(b) 40 °F
(c) 37 °F
(d) 48 °F
Answer : (a)
Q361. Columba livia is the scientific name of
(a) Pigeon
(b) Snake
(c) Rabbit
(d) Shark
Answer : (a)
Q362. Bones are pneumatic in
(a) Fishes
(b) Amphibians
(c) Reptiles
(d) Birds
Answer : (d)
Q363. An insect catching plant is :
(a) Australian Acacia
(b) Smilax
(c) Nepenthes
(d) Nerium
Answer : (c)
Q364. The method not used as a Biological control is:
(a) Use of predators of a pest.
(b) Pheromone traps
(c) Use of pesticides
(d) Use of neem extracts
Answer : (c)
Q365. Wisdom teeth is the :
(a) Ist molar teeth
(b) 2nd molar teeth
(c) 3rd molar teeth
(d) 4th molar teeth
Answer : (c)
Q366. The tusk of elephant is an enormously enlarged :
(a) upper incisor .
(b) upper canine
(c) tower canine
(d) tower incisor
Answer : (a)
Q367. Scurvy is caused due to the deficiency of :
(a) Vitamin-D
(b) Vitamin-K
(c) Vitamin-E
(d) Vitamin-C
Answer : (d)
Q368. Male (Anopheles) mosquito feeds on :
(a) Blood of man
(b) Nectar of flower
(c) Blood of Culex
(d) Blood of Leech
Answer : (b)
Q369. Growth of the baby in the uterus is found using
(a) X-rays
(b) Gamma rays
(c) Ultra sound
(d) Ultraviolet rays
Answer : (c)
Q370. Besides ear ossicles the cavity of the middle ear in humans contains.
(a) air
(b) endolymph
(c) perilymph
(d) otoconiay
Answer : (a)
Q371. The percentage of water content in the human blood plasma normally varies from
(a) 60-64
(b) 70-75
(c) 80-82
(d) 91-92
Answer : (d)
Q372. "Sodium Pump" operates in
(a) Muscle contraction
(b) Heartbeat
(c) Nerve impulse
(d) (4 None of the above
Answer : (c)
Q373. The element which is rich in most leafy vegetables is
(a) Phosphorous
(b) Zinc
(c) Iron
(d) Calcium
Answer : (c)
Q374. Polio is caused by
(a) Bacterium
(b) Fungus
(c) Virus
(d) Insect
Answer : (c)
Q375. The functions of pacemaker is
(a) Regulation of Urine formation
(b) Regulation of digestion
(c) Initiation of heart beat
(d) Initiation of respiration
Answer : (c)
Q376. The best method of disposal of garbage is
(a) Vermiculture
(b) Incineration
(c) Land filling
(d) Burning -
Answer : (c)
Q377. In Scorpion poison is present in the
(a) leg
(b) hand
(c) mouth
(d) sting
Answer : (d)
Q378. What is the common in AIDS mumps and poliomyelitis?
(a) Young children get affected most readly
(b) No effective vaccine has yet been developed for them
(c) These are caused by viruses
(d) Their germs can be transmitted through blood transfusions
Answer : (c)
Q379. Which enzyme converts proteins?
(a) Pepsin
(b) Trypsin ?
(c) Erepsin
(d) Enterokinase
Answer : (b)
Q380. The deficiency of iron in man result in
(a) Anaemia
(b) Night blindness
(c) Scurvy
(d) Rickets
Answer : (a)
Q381. Protein which renders a cell less susceptible to attack by viruses is called
(a) Actomyosln
(b) Chloromycetin
(c) Hybridomai
(d) Inferon
Answer : (d)
Q382. Haemophilia is mostly associated with
(a) Labourers
(b) Royal families
(c) Miners
(d) Sportsmen
Answer : (b)
Q383. Approximately how many times each day do our heart valves open and close normally?
(a) 10000 times
(b) 100000 times
(c) 150000 times
(d) 200000 times
Answer : (b)
Q384. Normal blood pressure of man is
(a) 80/120 mm Hg
(b) 90/140 mm Hg
(c) 120/160 mm Hg
(d) 85/120 mm Hg
Answer : (a)
Q385. Sugarcane plants are usually propagated by vegetative means because
(a) they do not produce seeds
(b) it is possible to maintain genetic quality
(c) the incidence of disease may be reduced
(d) none of these
Answer : (a)
Q386. The pigment involved in photosynthetic activity is
(a) anthocyanin
(b) fuexanthin
(c) carotenoid
(d) chlorophyll
Answer : (d)
Q387. Free-living nitrogen fixing microorganisms are
(a) Rhizobia
(b) Soil fungi
(c) Vesicular arbuscular mycor-rhiza
(d) Blue green algae
Answer : (a)
Q388. Vegetable oils are converted into solid fat (ghee) by
(a) Hydrolysis
(b) Addition of agar
(c) Oxidation using air and a catalyst
(d) Hydrogenation.
Answer : (d)
Q389. A drug which helps in controlling fever is
(a) Ibuprofen
(b) Penicillin
(c) Paracetamol
(d) Corticosteroid
Answer : (c)
Q390. Identify the correct statement with respect to Biogas.
(a) Mixture of gases from volcanoes
(b) Gas produced from certain crude oil wells v
(c) Gas produced by incomplete combustion of biomass
(d) Gas produced by fermentation of biomass
Answer : (d)
Q391. Aspartame is the name of a product used by diabetic patients as a sweetening agent. It belongs to the class of
(a) Carbohydrates
(b) Peptides
(c) Polyhydric alcohols
(d) Alkaloids
Answer : (b)
Q392. Which one of the following four secretions is different from the remaining three in regard to its mode of transport from he source gland to the site of action?
(a) Saliva
(b) Sweat
(c) Bile
(d) Epinephrine
Answer : (c)
Q393. Hemoglobin is a
(a) protein
(b) carbohydrate
(c) fat
(d) vitamin
Answer : (a)
Q394. Birds usually have a single:
(a) Kidney
(b) Lung
(c) Testis
(d) Ovary
Answer : (d)
Q395. Alfalfa is the name of a kind of
(a) Forest
(b) Crop
(c) Grass
(d) None of these
Answer : (b)
Q396. Which cells in our body have the least regenerative power?
(a) Brain cells
(b) Mussle cells
(c) Bone cells
(d) Liver cells
Answer : (a)
Q397. Which one of the following pairs is correctly matched ?
(a) Tetanus - BCG
(b) Tuberculosis - ATS
(c) Malaria - Chloroquin
(d) Scurvy - Thiamine
Answer : (c)
Q398. The carbon dioxide content in the air that we exhale is about
(a) 4%
(b) 8%
(c) 12%
(d) 16%
Answer : (a)
Q399. Blood pressure is controlled by
(a) Adrenal gland
(b) Thyroid gland
(c) Thymus
(d) Corpus luteum
Answer : (a)
Q400. The total number of car bones is
(a) 2
(b) 4
(c) 6
(d) 8
Answer : (c)