ZOOLOGY -PAGE 6
1.Mutation can occur
(a). at any stage of life of an animal
(b). only at early stage of life of an animal
(c). only at older stage of life of an animal
(d). only at embryonic stage of life of an animal
Answer: at any stage of life of an animal
2.The chromosomal aberrations that causes lethal effect is
(a). Duplication
(b). Deletion
(c). Inversion
(d). Translocation
Answer: Deletion
3.Mutations arise due to
(a). abrupt changes in genes
(b). infection by microorganisms
(c). nutritional factors
(d). acquired characters
Answer: abrupt changes in genes
4.Insertion is classified under
(a). Gene mutation
(b). Chromosomal mutation
(c). Genomic mutation
(d). Somatic mutation
Answer: gene mutation
5.The mutation which alters the phenotype of an organism is
(a). Addition mutation
(b). Deletion mutation
(c). Substitution mutation
(d). Somatic mutation
Answer: substitution mutation
6.The type of chromosomal aberration which does not change the number of genes is
(a). Addition
(b). Inversion
(c). Deletion
(d). Duplication
Answer: Inversion
7.In chromosome, rearrangement of genes occur in
(a). Addition
(b). Inversion
(c). Deletion
(d). Duplication
Answer: Inversion
8. In which of the following types of mutation, chromosome rotates by 180 degree?
(a). Translocation
(b). Inversion
(c). Deletion
(d). Duplication
Answer: Inversion
9. When a segment of a chromosome gets attached to a non- homologous chromosome in a new position, it is called
(a). Translocation
(b). Inversion
(c). Deletion
(d). Duplication
Answer: Translocation
10. Aristotle lantern is found in
(a). Star fish
(b). Sepia
(c). Obelia
(d). Sea urchin
Answer : Sea urchin
11. The pluteus larva of echinodermata belongs to the class
(a). Holothuroidea
(b). Crinoidea
(c). Echinoidea
(d). Asteroidea
Answer : Echinoidea
12. The number of fossae in parapsid skull is
(a). four
(b). three
(c). two
(d). one
Answer : one
13. The average life span of circulation of human RBC is around days
(a). 9
(b). 80
(c). 120
(d). 100
Answer: 120
14. Larva of star fish is
(a). Bipinnaria
(b). Ephyra
(c). Auricularia
(d). Ophiopluteus
Answer : Bipinnaria
15. The type of skull seen in Chelonians (turtle) is
(a). Synapsid
(b). Anapsid
(c). Parapsid
(d). Diapsid
Answer : Anapsid
16. Cotylosauria are considered as
(a). stem reptiles
(b). extinct flying birds
(c). viviparous reptiles
(d). extinct fishes
Answer : stem reptiles
17. Which one of these is not an adaptation for terrestrial life in reptiles?
(a). Laying eggs on land
(b). Internal fertilization
(c). Synsacrum
(d). Pulmonary respiration
Answer : Synsacrum
18. A snake can be identified from lizard by
(a). Absence of tail
(b). Absence of limb
(c). Presence of head
(d). Long cylindrical body
Answer : Absence of limb
19. The aminote vertebrate among these is
(a). Fishes
(b). Birds
(c). Amphibia
(d). Cyclostomes
Answer : Birds
20. The exclusively marine animals are
(a). Porifera and Coelenterata
(b). Coelenterata and Echinodermata
(c). Fishes and Echinodermata
(d). Echinodermata and Protochordata
Answer : Echinodermata and Protochordata
21. Which of the following statements about parenchyma is true?
(a). Parenchyma is a dead cell
(b).Cell wall of parenchyma is formed by a compound called Lignin
(c).Parenchyma is not found in dicotyledons
(d). Parenchyma cells are generally isodiametric
Answer: Parenchyma cells are generally isodiametric
22. DNA was first artificially synthesised by
(a). Darwin
(b). Har Gobind Khorana
(c). Watson
(d). Urey and Miller
Answer : B
23. The reappearance of ancestral characters in is
(a). Biogenesis
(b). Coenogenesis
(c). Tachygenesis
(d). Palaeogenesis
Answer : Palaeogenesis
24. Adaptive radiation usually results in
(a). Divergent evolution
(b). Convergent evolution
(c). Mutation
(d). Microevolution
Answer : Divergent evolution
25. The pigment present in Cone Cells of Eye is.......
(a). Photopsin
(b). Rhodopsin
(c). Opsin
(d). Retinal
Answer: Option-A
26. The largest zoo in India is at
A:-Delhi
B:-Mumbai
C:-Calcutta
D:-Nagpur
Correct Answer:- Option-C
27:-The valve which guards the right atrio-ventricular aperture in human heart is
A:-semilunar valve
B:-bicuspid valve
C:-tricuspid valve
D:-none of these
Ans: C
28:-'The allelic frequencies of a large population remains constant if there is no selection, migration, mutation and recombination'. This principle is put forward by
A:-Charles Darwin
B:-Hugode Vries
C:-Hardy-Weinberg
D:-Carl Linnaeus
Ans: C
29:-Select a stop codon of translation from the following alternatives
A:-UAA
B:-AUG
C:-GUA
D:-GAU
Ans: A
30. The fruit fly Drosophila melanogaster was found to be very suitable for experimental verification of chromosomal theory of inheritance by Morgan and his colleagues because
a) It reproduces parthenogenetically
b) A single mating produces two young flies
c) Smaller female is easily recognizable from large male
d) It completes the life cycle in about two weeks
Ans: D
31. Which one of the following cannot be explained on the basis of Mendel’s Law of Dominance?
a) The discrete unit controlling a particular character is called a factor
b) Out of one pair factors one is dominant and the other recessive
c) Alleles do not show any blending and both the characters recover as such in F2 generation
d) Factors occur in pairs
Ans: C
32. If a person shows production of interferons in his body, the chances are that he has got an infection of
a) Typhoid b) Measles c) Tetanus d) Malaria
Ans: B
33. A person suffering from a disease caused by Plasmodium, experiences recurring chill and fever at the time when?
a) The sporozoites released from RBC’s are being rapidly killed and broken down inside spleen
b) The trophozoites reach maximum growth and give out certain toxins.
c) The parasite after its rapid multiplication inside RBC’s reptures them, releasing the stage to enter fresh RBC’s
d) The microgametocytes and megagametocytes are being destroyed by the WBC’s
Ans: C
34. Which of the following endoparasites of humans does show vivipaity?
a) Ancylostoma duodenale b) Enterobius vermicularis
c) Trichimella spiralis d) Ascaris lumbricoides
Ans: C
35. Match the following
Column I Column II
A) Amoebiasis i) Treptonema pallidum
B) Diphtheria ii) Use only sterilized food and water
C) Cholera iii) DPT vaccine
D) Syphilis iv) Use oral rehydration therapy
A B C D
a) i ii iii iv
b) ii iv i iii
c) ii I iii iv
d) ii iii iv i
Ans: D
36. The active form of Entamoeba histolytica feeds upon:
a) Erythrocytes, mucosa and submucosa of colon
b) Mucosa and submucosa colon only
c) Food in intestine
d) Blood only
Ans: A
37. Select the correct statement from the given below.
a) Barbiturates when given to criminals make them tell the truth
b) Morphine is often given to persons who have under gone surgery as a pain killer
c) Chewing tobacco lowers blood pressure and heart rate
d) Cocaine is given to patients after surgery as it stimulates recovery
Ans: B
38. Which one of the following statements is correct with respect to AIDS?
a) The HIV can be transmitted through eating food together with an infected person.
b) Drug addicts are least susceptible to HIV infection.
c) AIDS patients are being fully cured 100 percent with proper care and nutrition.
d) The causative HIV retrovirus enters helper T-lymphocytes thus reducing their numbers.
Ans: D
39. Cryopreservation of gametes of threatened species in viable and fertile condition can be referred to as
a) In situ conservation of biodiversity b) Advanced ex situ conservation of biodiversity
c) In situ conservation by sacred groves d) In situ cryo-conservation of biodiversity
Ans: B
40. The species confined to a particular region and not found elsewhere is termed as
a) Alien b) Endemic
c) Rare d) Keystone
Ans: B
41. Which of the following National Parks is home to the famous musk deer or hangal?
a) Bandhavgarh National Park, Madhya Pradesh b) Eaglenest Wildlife Sanctuary, Arunachal Pradesh
c) Dachigam National Park, Jammu & Kashmir d) Keibul Lamjao National Park, Manipur
Ans: C
42. Which of the following is not one of the primary health risks associated with greater UV radiation through the atmosphere due to depletion of stratospheric ozone?
a) Increased skin cancer b) Reduced immune system
c) Damage to eyes d) Increased liver cancer
Ans: D
43. A lake which is rich in organic waste may result in
a) Drying of the lake due to algal bloom
b) Increased population of fish due to lots of nutrients
c) Mortality of fish due to lack of oxygen
d) Increases population of aquatic organisms due to minerals
Ans: C
44. DB is a standard abbreviation used for the quantitative expression of
a)The density of bacteria in a medium b) A particular pollutant
c) The dominant bacillus in a culture d) A certain pesticide
Ans: B
45. The highest DDT concentration in aquatic food chain shall occur in
a) Seagull b) Crab
c) Cell d) Phytoplankton
Ans: A
46. In an area where DDT had been used extensively the population of birds declined significantly because
a) Birds stopped laying eggs b) Earthworms in the area got eradicated.
c) Cobras were feeding exclusively on birds. d) Many of the birds eggs, laid, did not hatch.
Ans: D
(a). at any stage of life of an animal
(b). only at early stage of life of an animal
(c). only at older stage of life of an animal
(d). only at embryonic stage of life of an animal
Answer: at any stage of life of an animal
2.The chromosomal aberrations that causes lethal effect is
(a). Duplication
(b). Deletion
(c). Inversion
(d). Translocation
Answer: Deletion
3.Mutations arise due to
(a). abrupt changes in genes
(b). infection by microorganisms
(c). nutritional factors
(d). acquired characters
Answer: abrupt changes in genes
4.Insertion is classified under
(a). Gene mutation
(b). Chromosomal mutation
(c). Genomic mutation
(d). Somatic mutation
Answer: gene mutation
5.The mutation which alters the phenotype of an organism is
(a). Addition mutation
(b). Deletion mutation
(c). Substitution mutation
(d). Somatic mutation
Answer: substitution mutation
6.The type of chromosomal aberration which does not change the number of genes is
(a). Addition
(b). Inversion
(c). Deletion
(d). Duplication
Answer: Inversion
7.In chromosome, rearrangement of genes occur in
(a). Addition
(b). Inversion
(c). Deletion
(d). Duplication
Answer: Inversion
8. In which of the following types of mutation, chromosome rotates by 180 degree?
(a). Translocation
(b). Inversion
(c). Deletion
(d). Duplication
Answer: Inversion
9. When a segment of a chromosome gets attached to a non- homologous chromosome in a new position, it is called
(a). Translocation
(b). Inversion
(c). Deletion
(d). Duplication
Answer: Translocation
10. Aristotle lantern is found in
(a). Star fish
(b). Sepia
(c). Obelia
(d). Sea urchin
Answer : Sea urchin
11. The pluteus larva of echinodermata belongs to the class
(a). Holothuroidea
(b). Crinoidea
(c). Echinoidea
(d). Asteroidea
Answer : Echinoidea
12. The number of fossae in parapsid skull is
(a). four
(b). three
(c). two
(d). one
Answer : one
13. The average life span of circulation of human RBC is around days
(a). 9
(b). 80
(c). 120
(d). 100
Answer: 120
14. Larva of star fish is
(a). Bipinnaria
(b). Ephyra
(c). Auricularia
(d). Ophiopluteus
Answer : Bipinnaria
15. The type of skull seen in Chelonians (turtle) is
(a). Synapsid
(b). Anapsid
(c). Parapsid
(d). Diapsid
Answer : Anapsid
16. Cotylosauria are considered as
(a). stem reptiles
(b). extinct flying birds
(c). viviparous reptiles
(d). extinct fishes
Answer : stem reptiles
17. Which one of these is not an adaptation for terrestrial life in reptiles?
(a). Laying eggs on land
(b). Internal fertilization
(c). Synsacrum
(d). Pulmonary respiration
Answer : Synsacrum
18. A snake can be identified from lizard by
(a). Absence of tail
(b). Absence of limb
(c). Presence of head
(d). Long cylindrical body
Answer : Absence of limb
19. The aminote vertebrate among these is
(a). Fishes
(b). Birds
(c). Amphibia
(d). Cyclostomes
Answer : Birds
20. The exclusively marine animals are
(a). Porifera and Coelenterata
(b). Coelenterata and Echinodermata
(c). Fishes and Echinodermata
(d). Echinodermata and Protochordata
Answer : Echinodermata and Protochordata
21. Which of the following statements about parenchyma is true?
(a). Parenchyma is a dead cell
(b).Cell wall of parenchyma is formed by a compound called Lignin
(c).Parenchyma is not found in dicotyledons
(d). Parenchyma cells are generally isodiametric
Answer: Parenchyma cells are generally isodiametric
22. DNA was first artificially synthesised by
(a). Darwin
(b). Har Gobind Khorana
(c). Watson
(d). Urey and Miller
Answer : B
23. The reappearance of ancestral characters in is
(a). Biogenesis
(b). Coenogenesis
(c). Tachygenesis
(d). Palaeogenesis
Answer : Palaeogenesis
24. Adaptive radiation usually results in
(a). Divergent evolution
(b). Convergent evolution
(c). Mutation
(d). Microevolution
Answer : Divergent evolution
25. The pigment present in Cone Cells of Eye is.......
(a). Photopsin
(b). Rhodopsin
(c). Opsin
(d). Retinal
Answer: Option-A
26. The largest zoo in India is at
A:-Delhi
B:-Mumbai
C:-Calcutta
D:-Nagpur
Correct Answer:- Option-C
27:-The valve which guards the right atrio-ventricular aperture in human heart is
A:-semilunar valve
B:-bicuspid valve
C:-tricuspid valve
D:-none of these
Ans: C
28:-'The allelic frequencies of a large population remains constant if there is no selection, migration, mutation and recombination'. This principle is put forward by
A:-Charles Darwin
B:-Hugode Vries
C:-Hardy-Weinberg
D:-Carl Linnaeus
Ans: C
29:-Select a stop codon of translation from the following alternatives
A:-UAA
B:-AUG
C:-GUA
D:-GAU
Ans: A
30. The fruit fly Drosophila melanogaster was found to be very suitable for experimental verification of chromosomal theory of inheritance by Morgan and his colleagues because
a) It reproduces parthenogenetically
b) A single mating produces two young flies
c) Smaller female is easily recognizable from large male
d) It completes the life cycle in about two weeks
Ans: D
31. Which one of the following cannot be explained on the basis of Mendel’s Law of Dominance?
a) The discrete unit controlling a particular character is called a factor
b) Out of one pair factors one is dominant and the other recessive
c) Alleles do not show any blending and both the characters recover as such in F2 generation
d) Factors occur in pairs
Ans: C
32. If a person shows production of interferons in his body, the chances are that he has got an infection of
a) Typhoid b) Measles c) Tetanus d) Malaria
Ans: B
33. A person suffering from a disease caused by Plasmodium, experiences recurring chill and fever at the time when?
a) The sporozoites released from RBC’s are being rapidly killed and broken down inside spleen
b) The trophozoites reach maximum growth and give out certain toxins.
c) The parasite after its rapid multiplication inside RBC’s reptures them, releasing the stage to enter fresh RBC’s
d) The microgametocytes and megagametocytes are being destroyed by the WBC’s
Ans: C
34. Which of the following endoparasites of humans does show vivipaity?
a) Ancylostoma duodenale b) Enterobius vermicularis
c) Trichimella spiralis d) Ascaris lumbricoides
Ans: C
35. Match the following
Column I Column II
A) Amoebiasis i) Treptonema pallidum
B) Diphtheria ii) Use only sterilized food and water
C) Cholera iii) DPT vaccine
D) Syphilis iv) Use oral rehydration therapy
A B C D
a) i ii iii iv
b) ii iv i iii
c) ii I iii iv
d) ii iii iv i
Ans: D
36. The active form of Entamoeba histolytica feeds upon:
a) Erythrocytes, mucosa and submucosa of colon
b) Mucosa and submucosa colon only
c) Food in intestine
d) Blood only
Ans: A
37. Select the correct statement from the given below.
a) Barbiturates when given to criminals make them tell the truth
b) Morphine is often given to persons who have under gone surgery as a pain killer
c) Chewing tobacco lowers blood pressure and heart rate
d) Cocaine is given to patients after surgery as it stimulates recovery
Ans: B
38. Which one of the following statements is correct with respect to AIDS?
a) The HIV can be transmitted through eating food together with an infected person.
b) Drug addicts are least susceptible to HIV infection.
c) AIDS patients are being fully cured 100 percent with proper care and nutrition.
d) The causative HIV retrovirus enters helper T-lymphocytes thus reducing their numbers.
Ans: D
39. Cryopreservation of gametes of threatened species in viable and fertile condition can be referred to as
a) In situ conservation of biodiversity b) Advanced ex situ conservation of biodiversity
c) In situ conservation by sacred groves d) In situ cryo-conservation of biodiversity
Ans: B
40. The species confined to a particular region and not found elsewhere is termed as
a) Alien b) Endemic
c) Rare d) Keystone
Ans: B
41. Which of the following National Parks is home to the famous musk deer or hangal?
a) Bandhavgarh National Park, Madhya Pradesh b) Eaglenest Wildlife Sanctuary, Arunachal Pradesh
c) Dachigam National Park, Jammu & Kashmir d) Keibul Lamjao National Park, Manipur
Ans: C
42. Which of the following is not one of the primary health risks associated with greater UV radiation through the atmosphere due to depletion of stratospheric ozone?
a) Increased skin cancer b) Reduced immune system
c) Damage to eyes d) Increased liver cancer
Ans: D
43. A lake which is rich in organic waste may result in
a) Drying of the lake due to algal bloom
b) Increased population of fish due to lots of nutrients
c) Mortality of fish due to lack of oxygen
d) Increases population of aquatic organisms due to minerals
Ans: C
44. DB is a standard abbreviation used for the quantitative expression of
a)The density of bacteria in a medium b) A particular pollutant
c) The dominant bacillus in a culture d) A certain pesticide
Ans: B
45. The highest DDT concentration in aquatic food chain shall occur in
a) Seagull b) Crab
c) Cell d) Phytoplankton
Ans: A
46. In an area where DDT had been used extensively the population of birds declined significantly because
a) Birds stopped laying eggs b) Earthworms in the area got eradicated.
c) Cobras were feeding exclusively on birds. d) Many of the birds eggs, laid, did not hatch.
Ans: D
- Zoology
- Zoology- Page 1
- Zoology- Page 2
- Zoology- Page 3
- Zoology- Page 4
- Zoology- Page 5
- Zoology- Page 6
- Zoology- Page 7
- Zoology- Page 8
- Zoology- Page 9
- Zoology- Page 10
- Zoology- Page 11
- Zoology Notes- Page 1- Nutrition
- Zoology Notes- Page 2- Balanced Diet
- Zoology Notes- Page 3- Human Digestive System
- Zoology Notes- Page 4- Human Respiration
- Zoology Notes- Page 5- Genetics