ZOOLOGY -PAGE 3
1. The branch of biology that deals with the study of transmission of hereditary materials from a generation to the next is
(a). Physiology
(b). Genetics
(c). Embryology
(d). Biotechnology
Answer: Genetics
2. Mendel worked on a pea plant called
(a). Pisum sativum
(b). Lathyrus odoratus
(c). Dolichos lablab
(d). Oenothera lamarckiana
Answer: Pisum sativum
3. Mendel published the results of his experiment in the journal
(a). Genera Plantarum
(b). Hortus Uplandicus
(c). Flora Lapponica
(d). Transactions of Natural History Society
Answer: Transactions of Natural History Society
4. Animals having isolated distribution is/are characterised by
(a). generally primitive
(b). sessile in nature
(c). found in small numbers
(d). restricted to certain isolated areas of the globe
Answer : generally primitive
5. Geobiotic refers to distribution of animals on
(a). Air
(b). Land
(c). Fresh Water
(d). Sea
Answer : Land
6. The main constituent of the biogas is
(a). Methane
(b). Ethane
(c). Hydrogen
(d). Oxygen
Answer : Methane
7. Periyar Sanctuary was established in
(a). 1930
(b). 1940
(c). 1950
(d). 1960
Answer : 1940
8. Study of faunal distribution by observing and analysing the different continents and islands is called
(a). Aquatic geography
(b). Geography
(c). Phytogeography
(d). Zoogeography
Answer : Zoogeography
9. Vitamin tablets for human consumption is prepared from
(a) Nostoc
(b).Ferns
(c).Mushroom
(d). Spirulina
Ans: D
10. Which one of the following is a non-poisonous snake?
(a). Cobra
(b). Python
(c). Echis
(d). Viper
Answer : Python
11. Snakes are not sensitive to
(a). air borne vibrations
(b). tactile
(c). earth borne vibrations
(d). olfaction
Answer : air borne vibrations
12. Double chambered ventricle is present in
(a). Crocodile
(b). Fish
(c). Snake
(d). Amphibia
Answer : Crocodile
13. Sphenodon is a
(a). Snake
(b). Living fossil
(c). Bird
(d). Fish
Answer : Living fossil
14. DNA replication and synthesis of histone protein takes place in
(a). G1 phase
(b). G2 phase
(c). S phase
d). M phase
Answer : S phase
15. Choose the correct chromosomal pattern of a super female in Drosophila
(a). 2A + XX
(b). 2A + XXX
(c). A+ XXX
(d). 2A+ XXY
Answer : 2A + XXX
16. Chromosomes do not normally occur in homologous pairs in
(a). Somatic cells
(b). Unfertilized eggs
(c). Zygotes
(d). Fertilized eggs
Answer : Unfertilized eggs
17. A viviparous snake is
(a). Rattle snakes
(b). Viper
(c). Krait
(d). Cobra
Answer : Viper
18. The extinct flying reptile among these is
(a). Draco
(b). Calotes
(c). Sphenodon
(d). Pteronodon
Answer : Pteronodon
19. In Snakes the poison glands are modified
(a). Sebaceous gland
(b). Gastric gland
(c). Nasal labial gland
(d). Salivary gland
Answer : Salivary gland
20. In commensalism which is true?
(a). One species is benefited and other is harmed
(b). Both the species are benefited
(c). One species is benefited while the other remains unaffected
(d). Neither of the species are benefited
Answer : One species is benefited while the other remains unaffected
21. Cobra can be distinguished from other snakes by
(a). cylindrical tail
(b). bifid tongue
(c). largest 4th. supra labial
(d). hood
Answer : hood
22. Which among these is sea lily?
(a). Penaeus
(b). Antedon
(c). Astrea
(d). Holothuria
Answer : Antedon
23. Who proposed Chromosomal theory of linkage?
(a). Bateson and Pun net
(b). Jacob and Monad
(c). Morgan and Castle
(d). Gregor Mendal
Answer: Morgan and Castle
24. Parents of 'AB' and 'AB' blood group cannot produce a child of group
(a). 'A'
(b). 'B'
(c). 'AB'
(d). 'O'
Answer : 'O'
25. The function of ink produced by the ink gland is
(a). Locomotion
(b). Reproduction
(c). Feeding
(d). Defence
Answer : Defence
(a). Physiology
(b). Genetics
(c). Embryology
(d). Biotechnology
Answer: Genetics
2. Mendel worked on a pea plant called
(a). Pisum sativum
(b). Lathyrus odoratus
(c). Dolichos lablab
(d). Oenothera lamarckiana
Answer: Pisum sativum
3. Mendel published the results of his experiment in the journal
(a). Genera Plantarum
(b). Hortus Uplandicus
(c). Flora Lapponica
(d). Transactions of Natural History Society
Answer: Transactions of Natural History Society
4. Animals having isolated distribution is/are characterised by
(a). generally primitive
(b). sessile in nature
(c). found in small numbers
(d). restricted to certain isolated areas of the globe
Answer : generally primitive
5. Geobiotic refers to distribution of animals on
(a). Air
(b). Land
(c). Fresh Water
(d). Sea
Answer : Land
6. The main constituent of the biogas is
(a). Methane
(b). Ethane
(c). Hydrogen
(d). Oxygen
Answer : Methane
7. Periyar Sanctuary was established in
(a). 1930
(b). 1940
(c). 1950
(d). 1960
Answer : 1940
8. Study of faunal distribution by observing and analysing the different continents and islands is called
(a). Aquatic geography
(b). Geography
(c). Phytogeography
(d). Zoogeography
Answer : Zoogeography
9. Vitamin tablets for human consumption is prepared from
(a) Nostoc
(b).Ferns
(c).Mushroom
(d). Spirulina
Ans: D
10. Which one of the following is a non-poisonous snake?
(a). Cobra
(b). Python
(c). Echis
(d). Viper
Answer : Python
11. Snakes are not sensitive to
(a). air borne vibrations
(b). tactile
(c). earth borne vibrations
(d). olfaction
Answer : air borne vibrations
12. Double chambered ventricle is present in
(a). Crocodile
(b). Fish
(c). Snake
(d). Amphibia
Answer : Crocodile
13. Sphenodon is a
(a). Snake
(b). Living fossil
(c). Bird
(d). Fish
Answer : Living fossil
14. DNA replication and synthesis of histone protein takes place in
(a). G1 phase
(b). G2 phase
(c). S phase
d). M phase
Answer : S phase
15. Choose the correct chromosomal pattern of a super female in Drosophila
(a). 2A + XX
(b). 2A + XXX
(c). A+ XXX
(d). 2A+ XXY
Answer : 2A + XXX
16. Chromosomes do not normally occur in homologous pairs in
(a). Somatic cells
(b). Unfertilized eggs
(c). Zygotes
(d). Fertilized eggs
Answer : Unfertilized eggs
17. A viviparous snake is
(a). Rattle snakes
(b). Viper
(c). Krait
(d). Cobra
Answer : Viper
18. The extinct flying reptile among these is
(a). Draco
(b). Calotes
(c). Sphenodon
(d). Pteronodon
Answer : Pteronodon
19. In Snakes the poison glands are modified
(a). Sebaceous gland
(b). Gastric gland
(c). Nasal labial gland
(d). Salivary gland
Answer : Salivary gland
20. In commensalism which is true?
(a). One species is benefited and other is harmed
(b). Both the species are benefited
(c). One species is benefited while the other remains unaffected
(d). Neither of the species are benefited
Answer : One species is benefited while the other remains unaffected
21. Cobra can be distinguished from other snakes by
(a). cylindrical tail
(b). bifid tongue
(c). largest 4th. supra labial
(d). hood
Answer : hood
22. Which among these is sea lily?
(a). Penaeus
(b). Antedon
(c). Astrea
(d). Holothuria
Answer : Antedon
23. Who proposed Chromosomal theory of linkage?
(a). Bateson and Pun net
(b). Jacob and Monad
(c). Morgan and Castle
(d). Gregor Mendal
Answer: Morgan and Castle
24. Parents of 'AB' and 'AB' blood group cannot produce a child of group
(a). 'A'
(b). 'B'
(c). 'AB'
(d). 'O'
Answer : 'O'
25. The function of ink produced by the ink gland is
(a). Locomotion
(b). Reproduction
(c). Feeding
(d). Defence
Answer : Defence
26:-The sex linked gene inherits in a fashion known as
A:-Co dominant
B:-Crisscross
C:-Lethal
D:-Random
Ans: B
27:-Folic acid is also termed as
A:-Pteroyl glutamic acid
B:-SLR factor
C:-Lactobacillus casei fact
D:-All the above
Ans: D
28:-Kupffer cells are found in
A:-Pancreas
B:-Liver
C:-Adrenal
D:-Kidney
Ans: B
A:-Co dominant
B:-Crisscross
C:-Lethal
D:-Random
Ans: B
27:-Folic acid is also termed as
A:-Pteroyl glutamic acid
B:-SLR factor
C:-Lactobacillus casei fact
D:-All the above
Ans: D
28:-Kupffer cells are found in
A:-Pancreas
B:-Liver
C:-Adrenal
D:-Kidney
Ans: B
29:-Pepsin is an enzyme helped in the digestion of
A:-Carbohydrate
B:-Protein
C:-Lipid
D:-Minerals
Ans: B
30:-EEG is a test for detecting diseases of
A:-Heart
B:-Liver
C:-Lungs
D:-Brain
Ans: D
31:-The filament of an incandescent light bulb is made of
A:-Copper
B:-Iron
C:-Aluminum
D:-Tungsten
Ans: D
32:-Dermatitis is a disease affecting
A:-Skin
B:-Liver
C:-Heart
D:-Brain
Ans: A
33:-Deuterium is an isotope of
A:-Oxygen
B:-Nitrogen
C:-Hydrogen
D:-Carbon
Ans: C
34:-Daltonism is
A:-Night blindness
B:-Colour blindness
C:-Atherosclerosis
D:-Arteriosclerosis
Ans: B
35:-Insulin hormone is secreted by the gland
A:-Pancreas
B:-Liver
C:-Thyroid
D:-Pituitary
Ans: A
36:-Sickle cell Anaemia is a
A:-Deficiency disease
B:-Genetic disease
C:-Contageous disease
D:-Mental disease
Ans: B
37:-The metal present in Haemoglobin
A:-Iron
B:-Copper
C:-Calcium
D:-Magnesium
Ans: A
38:-'The powerhouse of a cell' is
A:-Ribosome
B:-Centrosome
C:-Mitochondria
D:-Lysosome
Ans: C
39. “Silver Fish” is _______.
(A) wingless insect
(B) ornamental fish
(C) insect with wing
(D) sea fish
Ans: A
39.ELISA is mainly used for
a)Detection of mutations
b)Detection of pathogens
c)Selecting animals having desired traits
d)Selecting plants having desired traits
Ans: B
40.Which of the following is correct for r-selected species
a) Large number of progeny with small size b)large number of progeny with large size
c)small number of progeny with small size d)small number of progeny with large size
Ans: A
41 .Animals that can move from fresh water to sea called as.....
a)Stenothermal b) Eurythermal c)Catadromous d) Anadromous
Ans: C
42. Competition between species leads to
a)Extinction b)Mutation c)Amensalism d) Symbiosis
Ans: A
43. Predation and parasitism are which type of interactions?
a)(+,+) b)(+, O) c)(-, -) d)(+, -)
Ans: D
44. The relationship between sucker fish and shark is...........
a)Competition b) Commensalism c)Predation d)Parasitism.
Ans: B
45. Which of the following is an r-species
a)Human b)Insects c)Rhinoceros d)Whale
Ans: B
46. All populations in a given physical area are defined as
a)Biome b)Ecosystem c)Territory d)Biotic factors
Ans: A
47. Organisms which can survive a wide range of temperature are called
a)Ectotherms b)Eurytherms c)Endotherms d) Stenotherms
Ans: B
48. The interaction in nature, where one gets benefit on the expense of other is...
a)Predation b)Mutualism c)Amensalism d) Commensalism
Ans: D
49. Match the following and choose the correct combination from the options given below.
Column I Column II
A.Mutalism 1.Lion and deer
B.Commensalism 2. Round worm and man
C.Parasitism 3. Birds compete with squirrels for nuts
D.Competition 4. Sea anemone on hermit crab
E.Predation 5. Bernacles attached to Whales.
Dispersal
a) A- 4, B-5, C-2, D –3, E-1
b) A- 3, B-1, C-4, D – 2, E-5
c) A- 2, B-3, C-1, D – 5, E-4
d) A- 5, B-4, C-2, D – 3, E-1
Ans: A
50.Some organisms are able to maintain homeostasis by physical means …
a)Conform b)Regulate c)Migrate d)Suspend.
Ans: B
A:-Carbohydrate
B:-Protein
C:-Lipid
D:-Minerals
Ans: B
30:-EEG is a test for detecting diseases of
A:-Heart
B:-Liver
C:-Lungs
D:-Brain
Ans: D
31:-The filament of an incandescent light bulb is made of
A:-Copper
B:-Iron
C:-Aluminum
D:-Tungsten
Ans: D
32:-Dermatitis is a disease affecting
A:-Skin
B:-Liver
C:-Heart
D:-Brain
Ans: A
33:-Deuterium is an isotope of
A:-Oxygen
B:-Nitrogen
C:-Hydrogen
D:-Carbon
Ans: C
34:-Daltonism is
A:-Night blindness
B:-Colour blindness
C:-Atherosclerosis
D:-Arteriosclerosis
Ans: B
35:-Insulin hormone is secreted by the gland
A:-Pancreas
B:-Liver
C:-Thyroid
D:-Pituitary
Ans: A
36:-Sickle cell Anaemia is a
A:-Deficiency disease
B:-Genetic disease
C:-Contageous disease
D:-Mental disease
Ans: B
37:-The metal present in Haemoglobin
A:-Iron
B:-Copper
C:-Calcium
D:-Magnesium
Ans: A
38:-'The powerhouse of a cell' is
A:-Ribosome
B:-Centrosome
C:-Mitochondria
D:-Lysosome
Ans: C
39. “Silver Fish” is _______.
(A) wingless insect
(B) ornamental fish
(C) insect with wing
(D) sea fish
Ans: A
39.ELISA is mainly used for
a)Detection of mutations
b)Detection of pathogens
c)Selecting animals having desired traits
d)Selecting plants having desired traits
Ans: B
40.Which of the following is correct for r-selected species
a) Large number of progeny with small size b)large number of progeny with large size
c)small number of progeny with small size d)small number of progeny with large size
Ans: A
41 .Animals that can move from fresh water to sea called as.....
a)Stenothermal b) Eurythermal c)Catadromous d) Anadromous
Ans: C
42. Competition between species leads to
a)Extinction b)Mutation c)Amensalism d) Symbiosis
Ans: A
43. Predation and parasitism are which type of interactions?
a)(+,+) b)(+, O) c)(-, -) d)(+, -)
Ans: D
44. The relationship between sucker fish and shark is...........
a)Competition b) Commensalism c)Predation d)Parasitism.
Ans: B
45. Which of the following is an r-species
a)Human b)Insects c)Rhinoceros d)Whale
Ans: B
46. All populations in a given physical area are defined as
a)Biome b)Ecosystem c)Territory d)Biotic factors
Ans: A
47. Organisms which can survive a wide range of temperature are called
a)Ectotherms b)Eurytherms c)Endotherms d) Stenotherms
Ans: B
48. The interaction in nature, where one gets benefit on the expense of other is...
a)Predation b)Mutualism c)Amensalism d) Commensalism
Ans: D
49. Match the following and choose the correct combination from the options given below.
Column I Column II
A.Mutalism 1.Lion and deer
B.Commensalism 2. Round worm and man
C.Parasitism 3. Birds compete with squirrels for nuts
D.Competition 4. Sea anemone on hermit crab
E.Predation 5. Bernacles attached to Whales.
Dispersal
a) A- 4, B-5, C-2, D –3, E-1
b) A- 3, B-1, C-4, D – 2, E-5
c) A- 2, B-3, C-1, D – 5, E-4
d) A- 5, B-4, C-2, D – 3, E-1
Ans: A
50.Some organisms are able to maintain homeostasis by physical means …
a)Conform b)Regulate c)Migrate d)Suspend.
Ans: B
51. Which of the following forests is known as the lungs of the planet earth?
a) Tundra forest b) Rain forest of north east India c) Taiga forest d) Amazon rain forest
Ans: B
52. Which of the following region has maximum biodiversity
a) Taiga b) Tropical forest c)Temperate rain forest d)Mangroves
Ans: B
53. Conservation of biodiversity within their natural habitat is
a) Insitu conservation b) Exsitu conservation c) In vivo conservation d) In vitro conservation
Ans: A
54. Who introduced the term biodiversity?
a)Edward Wilson b)Walter Rosen c)Norman Myers d)Alice Norman
Ans: B
55. Which one of the following are at high risk extinction due to habitat destruction
a)Mammals b)Birds c)Amphibians d) Echinoderms
Ans: C
56. Which one of the following is not coming under insitu conservation
a) Sanctuaries b)Natural parks c)Zoological park d) Biosphere reserve
Ans: C
57. Which of the following is considered a hotspots of biodiversity in India
a)Western ghats b)Indo-gangetic plain c)Eastern Himalayas d) A and C
Ans: D
58. The organization which published the red list of species is
a)WWF b) IUCN c) ZSI d) UNEP
Ans: B
59. Assertion: The Environmental conditions of the tropics are favourable for speciation and diversity of organisms.
Reason: The climate seasons, temperature, humidity and photoperiod are more or less stable and congenial.
a) Both Assertion and Reason are true and Reason explains Assertion correctly.
b)Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
c)Assertion is true , but Reason is false.
d)Both Assertion and Reason are false.
Ans: A
60. The Hydrochlorofluorocarbons (HCFCs) are the compounds which have the following molecules:
a) Hydrogen b) Carbon c)Chlorine d)Fluorine
Ans: C
61. SMOG is derived from :
a) Smoke b) Fog c) Both A and B d) Only A
Ans: C
62. The use of microorganism metabolism to remove pollutants such as oil spills in the water bodies is known as
a) Biomagnification b) Bioremediation c) Biomethanation d) Bioreduction
Ans: B
63. As per 2017 statistics, the highest per capita emitter of Carbon dioxide in the world is
a) USA b) China c) Qatar d) Saudi Arabia
Ans: C
64. In the E-waste generated by the Mobile Phones, which among the following metal is most abundant?
a) Copper b) Silver c) Palladium d) Gold
Ans: A
65. The Ozone Day is observed every year on September 16 as on this day in 1987 the ___________was signed for launching efforts to arrest the depletion of the fragile ozone layer in the stratosphere that prevents the harmful ultra-violet rays of the sun from reaching the earth. Fill the correct word in blank.
a) Montreal Protocol
b) Geneva Protocol
c) Kyoto Protocol
d)Nagoya Protocol
Ans: A
66. Which among the following awards instituted by the Government of India for individuals or communities from rural areas that have shown extraordinary courage and dedication in protecting Wildlife?
a) Indira Gandhi Paryavaran Puraskar b) Medini Puruskar Yojana
c) Amrita Devi Bishnoi Award d) Pitambar Pant National Award
Ans: C
67. The ‘thickness’ of Stratospheric Ozone layer is measured in:
a) Sieverts units b) Dobson units c) Melson units d)Beaufort Scale
Ans: B
68. Right to Clean Water is a fundamental right, under the Indian Constitution
a) Article 12 b) Article 21 c) Article 31 d) Article 41
Ans: B
69. With which of the following, the Agenda 21’ of Rio Summit, 1992 is related to?
a) Sustainable development
b) Combating the consequences of population
c) Mitigation norms of Green House Gases (GHGs) emission.
d) Technology transfer mechanism to developing countries for ‘clean-energy’ production.
Ans: B
70. Which among the following is the most abundant Green-House-Gas (GHG) in the earth’s atmosphere?
a) Carbon dioxide b) Water Vapour c) Sulphur Dioxide d) Tropospheric Ozone
Ans: B
71. Which among the following always decreases in a Food chain across tropic levels?
a) Number b)Accumulated chemicals c) Energy d) Force
Ans: C
72. Excess of fluoride in drinking water causes:
a) Lung disease b) Intestinal infection c) Fluorosis d) None of the above
Ans: C
73. The testes in human are situated outside the abdominal cavity inside a pouch called scrotum. The purpose served is for
a) escaping any possible compression by the visceral organs.
b) providing more space for the growth of epididymis.
c) providing a secondary sexual feature for exhibiting the male sex
d) maintaining the scrotal temperature lower than internal body temperature
Ans: D
74. Hormones secreted by placenta to maintain pregnancy are
a) hCG, hPL, progesterone, estrogen
b) hCG, hPL, estrogen, relaxin, oxytocin
c) hCG, hPL, progesterone, prolactin
d) hCG, progesterone, estrogen, glucocorticoids
Ans: B
75. Identify the correct statement on ‘inhibitin’
a) is produced by granulose cells in ovary and inhibits the secretion of FSH
b) is produced by granulose cells in ovary and inhibits the secretion of LH
c) is produced by nurse cells in testes and inhibits the secretion of LH
d) inhibits the secretion of LH, FSH and prolactin.
Ans: A
76. Several hormones like hCG, hPL, oestrogen and progesterone are produced by
a) ovary b)placenta c)fallopian tube d)pituitary
Ans: B
77. Select the incorrect statement.
a)LH and FSH trigger ovulation in ovary
b) LH and FSH decrease gradually during the follicular phase
c) LH triggers secretion of androgens from the Leydig cells.
d) FSH stimulates the sertoli cells which help in spermiogenesis
Ans: B
78. Which one of the following is not the function of placenta?
a) To facilitate supply of oxygen and nutrients to embryo
b) To secrete oestrogen
c) To facilitate the removal of carbondioxide and material from embryo
d) To secrete oxytocin during parturition
Ans: D
79. Match column I with column II and select the correct option using the codes given below
Column I Column II
A.Mons pubis 1.Embryo formation
B.Antrum 2.Sperm
C.Trophectoderm 3. Female external genitalia
D.Nebenkem 4.Graafian follicle
A B C D
a) 3 4 2 1
b) 3 4 1 2
c) 3 1 4 2
d) 1 4 3 2
Ans: B
80. Match and select the correct option
Column I Column II
a. Proliferative phase 1. Breakdown of endometrium lining
b. Secretory phase 2. Follicular phase
c. Menstruation 3. Luteal phase
a b c
A) 3 2 1
B) 2 3 1
C) 1 3 2
D) 3 1 2
Ans: B
81. Which of the following is a hormone releasing Intrauterine Device (IUD)?
a) Multiload 375 b) LNG-20 c) Cervical cap d) Vault
Ans: B
82. Which of the following approach does not give the defined action of contraceptive?
a) Barrier methods Prevent fertilization
b) Intra uterine devices Increases phagocytosis of sperms, suppresses sperm motility and fertilizing capacity of sperms
c) Hormonal contraceptives Prevent retard entry of sperms, prevent ovulation and fertilization
d) Vasectomy Prevents spermatogenesis
Ans: D
83. Assisted reproductive technology, IVF involves the transfer of
a) Ovum into the fallopian tube
b) Zygote into the fallopian tube
c) Zygote into the uterus
d) Embryo with 16 blastomeres into the fallopian tube
Ans: B
84. In context of amniocentesis, which of the following statements is incorrect?
a) It is usually done when a woman is between 14-16 weeks pregnant
b) It is used for prenatal sex determination
c) It can be used for detection of Down syndrome
d) It can be used for detection of Cleft palate
Ans: D
85. The Okazaki fragments in DNA chain growth
a) Result in transcription
b) Polymerise in the 3’ to 5’ direction and forms replication fork
c) Prove semi- conservative nature of DNA replication
d) Polymerises in the 5’ to 3’direction and explain 3’ to 5’ DNA replication
Ans: A
86. During translation initiation in prokaryotes, a GTP molecules is needed in
a) association of 30s, mRNA with formyl met tRNA
b) association of 50s subunit of ribosome with initiation complex
c) formation of formyl met tRNA
d) binding of 30s subunit of ribosome with mRNA.
Ans: A
87. Reverse transcriptase is
a) RNA dependent RNA polymerase
b) DNA dependent RNA polymerase
c) DNA dependent DNA polymerase
d) RNA dependent DNA polymerase
Ans: D
88. Escherichia coli fully labeled with N14 medium. The two strands of DNA molecules of the first generation bacteria have
a) Different density and do not resemble parent DNA
b) Different density but resemble parent DNA
c) Same density and resemble parent DNA
d) Same density but do not resemble parents DNA
Ans: B
89. Which one of the following statement is correct?
a) stem cells are specialized cells
b) there is no evidence of the existence of gills during embryogenesis of mammals
c) all plant and animal cells are totipotent
d)Ontogeny repeats phylogeny
Ans: D
90. The most apparent change during the evolutionary history of Homo sapiens is raced in
a)loss of body hair
b)walking upright
c)shortening of jaws
d)remarkable increase in the brain size.
Ans: D
91. The process by which organisms with different evolutionary history evolve similar phenotypic adaptations in response to a common environmental challenge is called
a)Natural selection
b)Convergent evolution
c)Non-random evolution
d)Adaptive radiation Human health and diseases
Ans: B
92. The wings of a bird and of an insect are
a) homologous structure and represent convergent evolution
b) homologous structure and represent divergent evolution
c) analogous structure and represent convergent evolution
d) analogous structure and represent divergent evolution
Ans: C
93. Where will you look for the sporozoites of the material parasite?
a) Red blood corpuscles of humans suffering from malaria.
b) Spleen of infected humans
c) Salivary glands of freshy moulted female anopheles mosquito.
d) Saliva of infected female anopheles mosquito.
Ans: D
94. Which one of the following organisms is scientifically and correctly named, correctly printed according to the International Rules of Nomenclature and correctly described?
a) Plasmodium falciparum – a protozoan causing the most serious type of malaria.
b) Felis tigris – The Indian tiger is well protected in Gir forests.
c) E. Coli – The full name is Entamoeba coli, a commonly occurring bacterium in human intestine.
Ans: A
95. Which of the following is wrongly matched in the given table?
Microbe- Product- Application
(a)Trichoderma polysporum -Cyclosporin A -Immunosuppressive drug
(b)Monascus purpureus -Statins- Lowering of blood cholesterol
(c) Streptococcus- Sterptockinase- Removal of clot from blood vessel
(d)Clostridium butylicum- Lipase -Removal of oil stains
Ans: D
96. Match Column – I with Column – II and select the correct options using the codes given below: -
Column I Column II
A.Citric acid 1. Trichoderma
B.Cyclosporin A 2. Clostridium
C.Statins 3. Aspergillus
D.Butyric acid 4. Monoscus
a) A:3, B:1, C:4, D:2
b) A:1, B:4, C:2, D:3
c) A:3, B:4, C:1, D:2
d) A:3, B:1, C:2, D:4
Ans: D
97. Genetic engineering has been successfully used for producing
a) Transgenic mice for testing safety of polio vaccine before used in humans.
b) Transgenic models for studying new treatments for certain cardiac diseases.
c) Transgenic cow Rosie which produces high fat milk for making ghee.
d) Animals like bulls for farm work as they have super power.
Ans: A
98. Some of the characteristics of Bt cotton are
a) Long fibre and resistance to aphids
b) Medium yield, long fibre and resistance to beetle pests.
c) High yields and production of toxic protein crystals which kill dipteran pests.
d) High yield and resistance to bollworms
Ans: D
99. Bacillus thuringiensis forms protein crystals which contain insecticidal protein. This protein
a) Binds with epithelia cells of midgut of the insect pest ultimately killing it.
b) Is coded by several genes including the gene cry.
c) Is activated by acid pH of the foregut of the insect pest.
d) Does not kill the carrier bacterium which is itself resistant to this toxin.
Ans: A
100. Read the following four statements (A to D) about certain mistakes in two of them.
a) The first transgenic buffalo, Rosie produced milk which was human alpha – lactalbumin enriched.
b) Restriction enzymes are used in isolation of DNA from other macromolecules.
c) Downstream processing is one of the steps of rDNA technology
d) Disarmed pathogen vectors are also used in transfer of rDNA into the host.
Which of the two statements have mistakes?
a) B and C
b) C and D
c) A and C
d) A and B
Ans: D
a) Tundra forest b) Rain forest of north east India c) Taiga forest d) Amazon rain forest
Ans: B
52. Which of the following region has maximum biodiversity
a) Taiga b) Tropical forest c)Temperate rain forest d)Mangroves
Ans: B
53. Conservation of biodiversity within their natural habitat is
a) Insitu conservation b) Exsitu conservation c) In vivo conservation d) In vitro conservation
Ans: A
54. Who introduced the term biodiversity?
a)Edward Wilson b)Walter Rosen c)Norman Myers d)Alice Norman
Ans: B
55. Which one of the following are at high risk extinction due to habitat destruction
a)Mammals b)Birds c)Amphibians d) Echinoderms
Ans: C
56. Which one of the following is not coming under insitu conservation
a) Sanctuaries b)Natural parks c)Zoological park d) Biosphere reserve
Ans: C
57. Which of the following is considered a hotspots of biodiversity in India
a)Western ghats b)Indo-gangetic plain c)Eastern Himalayas d) A and C
Ans: D
58. The organization which published the red list of species is
a)WWF b) IUCN c) ZSI d) UNEP
Ans: B
59. Assertion: The Environmental conditions of the tropics are favourable for speciation and diversity of organisms.
Reason: The climate seasons, temperature, humidity and photoperiod are more or less stable and congenial.
a) Both Assertion and Reason are true and Reason explains Assertion correctly.
b)Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
c)Assertion is true , but Reason is false.
d)Both Assertion and Reason are false.
Ans: A
60. The Hydrochlorofluorocarbons (HCFCs) are the compounds which have the following molecules:
a) Hydrogen b) Carbon c)Chlorine d)Fluorine
Ans: C
61. SMOG is derived from :
a) Smoke b) Fog c) Both A and B d) Only A
Ans: C
62. The use of microorganism metabolism to remove pollutants such as oil spills in the water bodies is known as
a) Biomagnification b) Bioremediation c) Biomethanation d) Bioreduction
Ans: B
63. As per 2017 statistics, the highest per capita emitter of Carbon dioxide in the world is
a) USA b) China c) Qatar d) Saudi Arabia
Ans: C
64. In the E-waste generated by the Mobile Phones, which among the following metal is most abundant?
a) Copper b) Silver c) Palladium d) Gold
Ans: A
65. The Ozone Day is observed every year on September 16 as on this day in 1987 the ___________was signed for launching efforts to arrest the depletion of the fragile ozone layer in the stratosphere that prevents the harmful ultra-violet rays of the sun from reaching the earth. Fill the correct word in blank.
a) Montreal Protocol
b) Geneva Protocol
c) Kyoto Protocol
d)Nagoya Protocol
Ans: A
66. Which among the following awards instituted by the Government of India for individuals or communities from rural areas that have shown extraordinary courage and dedication in protecting Wildlife?
a) Indira Gandhi Paryavaran Puraskar b) Medini Puruskar Yojana
c) Amrita Devi Bishnoi Award d) Pitambar Pant National Award
Ans: C
67. The ‘thickness’ of Stratospheric Ozone layer is measured in:
a) Sieverts units b) Dobson units c) Melson units d)Beaufort Scale
Ans: B
68. Right to Clean Water is a fundamental right, under the Indian Constitution
a) Article 12 b) Article 21 c) Article 31 d) Article 41
Ans: B
69. With which of the following, the Agenda 21’ of Rio Summit, 1992 is related to?
a) Sustainable development
b) Combating the consequences of population
c) Mitigation norms of Green House Gases (GHGs) emission.
d) Technology transfer mechanism to developing countries for ‘clean-energy’ production.
Ans: B
70. Which among the following is the most abundant Green-House-Gas (GHG) in the earth’s atmosphere?
a) Carbon dioxide b) Water Vapour c) Sulphur Dioxide d) Tropospheric Ozone
Ans: B
71. Which among the following always decreases in a Food chain across tropic levels?
a) Number b)Accumulated chemicals c) Energy d) Force
Ans: C
72. Excess of fluoride in drinking water causes:
a) Lung disease b) Intestinal infection c) Fluorosis d) None of the above
Ans: C
73. The testes in human are situated outside the abdominal cavity inside a pouch called scrotum. The purpose served is for
a) escaping any possible compression by the visceral organs.
b) providing more space for the growth of epididymis.
c) providing a secondary sexual feature for exhibiting the male sex
d) maintaining the scrotal temperature lower than internal body temperature
Ans: D
74. Hormones secreted by placenta to maintain pregnancy are
a) hCG, hPL, progesterone, estrogen
b) hCG, hPL, estrogen, relaxin, oxytocin
c) hCG, hPL, progesterone, prolactin
d) hCG, progesterone, estrogen, glucocorticoids
Ans: B
75. Identify the correct statement on ‘inhibitin’
a) is produced by granulose cells in ovary and inhibits the secretion of FSH
b) is produced by granulose cells in ovary and inhibits the secretion of LH
c) is produced by nurse cells in testes and inhibits the secretion of LH
d) inhibits the secretion of LH, FSH and prolactin.
Ans: A
76. Several hormones like hCG, hPL, oestrogen and progesterone are produced by
a) ovary b)placenta c)fallopian tube d)pituitary
Ans: B
77. Select the incorrect statement.
a)LH and FSH trigger ovulation in ovary
b) LH and FSH decrease gradually during the follicular phase
c) LH triggers secretion of androgens from the Leydig cells.
d) FSH stimulates the sertoli cells which help in spermiogenesis
Ans: B
78. Which one of the following is not the function of placenta?
a) To facilitate supply of oxygen and nutrients to embryo
b) To secrete oestrogen
c) To facilitate the removal of carbondioxide and material from embryo
d) To secrete oxytocin during parturition
Ans: D
79. Match column I with column II and select the correct option using the codes given below
Column I Column II
A.Mons pubis 1.Embryo formation
B.Antrum 2.Sperm
C.Trophectoderm 3. Female external genitalia
D.Nebenkem 4.Graafian follicle
A B C D
a) 3 4 2 1
b) 3 4 1 2
c) 3 1 4 2
d) 1 4 3 2
Ans: B
80. Match and select the correct option
Column I Column II
a. Proliferative phase 1. Breakdown of endometrium lining
b. Secretory phase 2. Follicular phase
c. Menstruation 3. Luteal phase
a b c
A) 3 2 1
B) 2 3 1
C) 1 3 2
D) 3 1 2
Ans: B
81. Which of the following is a hormone releasing Intrauterine Device (IUD)?
a) Multiload 375 b) LNG-20 c) Cervical cap d) Vault
Ans: B
82. Which of the following approach does not give the defined action of contraceptive?
a) Barrier methods Prevent fertilization
b) Intra uterine devices Increases phagocytosis of sperms, suppresses sperm motility and fertilizing capacity of sperms
c) Hormonal contraceptives Prevent retard entry of sperms, prevent ovulation and fertilization
d) Vasectomy Prevents spermatogenesis
Ans: D
83. Assisted reproductive technology, IVF involves the transfer of
a) Ovum into the fallopian tube
b) Zygote into the fallopian tube
c) Zygote into the uterus
d) Embryo with 16 blastomeres into the fallopian tube
Ans: B
84. In context of amniocentesis, which of the following statements is incorrect?
a) It is usually done when a woman is between 14-16 weeks pregnant
b) It is used for prenatal sex determination
c) It can be used for detection of Down syndrome
d) It can be used for detection of Cleft palate
Ans: D
85. The Okazaki fragments in DNA chain growth
a) Result in transcription
b) Polymerise in the 3’ to 5’ direction and forms replication fork
c) Prove semi- conservative nature of DNA replication
d) Polymerises in the 5’ to 3’direction and explain 3’ to 5’ DNA replication
Ans: A
86. During translation initiation in prokaryotes, a GTP molecules is needed in
a) association of 30s, mRNA with formyl met tRNA
b) association of 50s subunit of ribosome with initiation complex
c) formation of formyl met tRNA
d) binding of 30s subunit of ribosome with mRNA.
Ans: A
87. Reverse transcriptase is
a) RNA dependent RNA polymerase
b) DNA dependent RNA polymerase
c) DNA dependent DNA polymerase
d) RNA dependent DNA polymerase
Ans: D
88. Escherichia coli fully labeled with N14 medium. The two strands of DNA molecules of the first generation bacteria have
a) Different density and do not resemble parent DNA
b) Different density but resemble parent DNA
c) Same density and resemble parent DNA
d) Same density but do not resemble parents DNA
Ans: B
89. Which one of the following statement is correct?
a) stem cells are specialized cells
b) there is no evidence of the existence of gills during embryogenesis of mammals
c) all plant and animal cells are totipotent
d)Ontogeny repeats phylogeny
Ans: D
90. The most apparent change during the evolutionary history of Homo sapiens is raced in
a)loss of body hair
b)walking upright
c)shortening of jaws
d)remarkable increase in the brain size.
Ans: D
91. The process by which organisms with different evolutionary history evolve similar phenotypic adaptations in response to a common environmental challenge is called
a)Natural selection
b)Convergent evolution
c)Non-random evolution
d)Adaptive radiation Human health and diseases
Ans: B
92. The wings of a bird and of an insect are
a) homologous structure and represent convergent evolution
b) homologous structure and represent divergent evolution
c) analogous structure and represent convergent evolution
d) analogous structure and represent divergent evolution
Ans: C
93. Where will you look for the sporozoites of the material parasite?
a) Red blood corpuscles of humans suffering from malaria.
b) Spleen of infected humans
c) Salivary glands of freshy moulted female anopheles mosquito.
d) Saliva of infected female anopheles mosquito.
Ans: D
94. Which one of the following organisms is scientifically and correctly named, correctly printed according to the International Rules of Nomenclature and correctly described?
a) Plasmodium falciparum – a protozoan causing the most serious type of malaria.
b) Felis tigris – The Indian tiger is well protected in Gir forests.
c) E. Coli – The full name is Entamoeba coli, a commonly occurring bacterium in human intestine.
Ans: A
95. Which of the following is wrongly matched in the given table?
Microbe- Product- Application
(a)Trichoderma polysporum -Cyclosporin A -Immunosuppressive drug
(b)Monascus purpureus -Statins- Lowering of blood cholesterol
(c) Streptococcus- Sterptockinase- Removal of clot from blood vessel
(d)Clostridium butylicum- Lipase -Removal of oil stains
Ans: D
96. Match Column – I with Column – II and select the correct options using the codes given below: -
Column I Column II
A.Citric acid 1. Trichoderma
B.Cyclosporin A 2. Clostridium
C.Statins 3. Aspergillus
D.Butyric acid 4. Monoscus
a) A:3, B:1, C:4, D:2
b) A:1, B:4, C:2, D:3
c) A:3, B:4, C:1, D:2
d) A:3, B:1, C:2, D:4
Ans: D
97. Genetic engineering has been successfully used for producing
a) Transgenic mice for testing safety of polio vaccine before used in humans.
b) Transgenic models for studying new treatments for certain cardiac diseases.
c) Transgenic cow Rosie which produces high fat milk for making ghee.
d) Animals like bulls for farm work as they have super power.
Ans: A
98. Some of the characteristics of Bt cotton are
a) Long fibre and resistance to aphids
b) Medium yield, long fibre and resistance to beetle pests.
c) High yields and production of toxic protein crystals which kill dipteran pests.
d) High yield and resistance to bollworms
Ans: D
99. Bacillus thuringiensis forms protein crystals which contain insecticidal protein. This protein
a) Binds with epithelia cells of midgut of the insect pest ultimately killing it.
b) Is coded by several genes including the gene cry.
c) Is activated by acid pH of the foregut of the insect pest.
d) Does not kill the carrier bacterium which is itself resistant to this toxin.
Ans: A
100. Read the following four statements (A to D) about certain mistakes in two of them.
a) The first transgenic buffalo, Rosie produced milk which was human alpha – lactalbumin enriched.
b) Restriction enzymes are used in isolation of DNA from other macromolecules.
c) Downstream processing is one of the steps of rDNA technology
d) Disarmed pathogen vectors are also used in transfer of rDNA into the host.
Which of the two statements have mistakes?
a) B and C
b) C and D
c) A and C
d) A and B
Ans: D
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