ZOOLOGY -PAGE 9
1. The chromosomal arrangement in Drosophila is
a. 3AAXX, 3AAXY
b. 4AAXX, 4AAXY
c. 22AAXX, 22AAXY
d. 23AAXX, 23AAXY
Answer: A
2. In marine worm Bonellia, the sex is determined with the help of
a. Hormones
b. Metabolism
c. Parasites
d. Environmental factors
Answer: D
3. In Bonellia, the male develops from a larvae that
a. settles in seawater
b. attaches to the uterus of the female
c. settles in the proboscis of a female
d. secretes a chemical substance
Answer: C
4. The organism in which sex is determined by environmental factors is
a. Man
b. Bonellia
c. Crab
d. Drosophila
Answer: B
5. During ploidy there is a change in the
a. Number of chromosomes
b. Number of genes
c. Arrangement of genes
d. Arrangement of chromosomes
Answer: A
6. Which of the following corresponds to polyploidy in man?
a. 66 autosomes, 2Xchromosomes and 1 Y chromosome
b. 21 autosomes, 1X chromosome and 1Y chromosome
c. 44 autosomes, 2X chromosomes and 2 Y chromosomes
d. 43 autosomes, 1 X chromosome and 2Y chromosomes
Answer: A
7. Which one of the following is a poisonous snake?
a. Naja Naja
b. Scolecophidia
c. Python reticulatus
d. Eryx johnii
Answer: Naja Naja (A)
a. 3AAXX, 3AAXY
b. 4AAXX, 4AAXY
c. 22AAXX, 22AAXY
d. 23AAXX, 23AAXY
Answer: A
2. In marine worm Bonellia, the sex is determined with the help of
a. Hormones
b. Metabolism
c. Parasites
d. Environmental factors
Answer: D
3. In Bonellia, the male develops from a larvae that
a. settles in seawater
b. attaches to the uterus of the female
c. settles in the proboscis of a female
d. secretes a chemical substance
Answer: C
4. The organism in which sex is determined by environmental factors is
a. Man
b. Bonellia
c. Crab
d. Drosophila
Answer: B
5. During ploidy there is a change in the
a. Number of chromosomes
b. Number of genes
c. Arrangement of genes
d. Arrangement of chromosomes
Answer: A
6. Which of the following corresponds to polyploidy in man?
a. 66 autosomes, 2Xchromosomes and 1 Y chromosome
b. 21 autosomes, 1X chromosome and 1Y chromosome
c. 44 autosomes, 2X chromosomes and 2 Y chromosomes
d. 43 autosomes, 1 X chromosome and 2Y chromosomes
Answer: A
7. Which one of the following is a poisonous snake?
a. Naja Naja
b. Scolecophidia
c. Python reticulatus
d. Eryx johnii
Answer: Naja Naja (A)
8. Which of the following does not play a role in blood clotting?
(A) Fibrinogen
(B) Platelets
(C) Thrombin
(D) Albumin
Answer: Albumin
9. Pick out a correct statement from the followings
(A) There are more than 3 stop codons
(B) Morgan and Boveri were proposed the location of the genes on a chromosome
(C) There are 17 genes are found to be present in Y chromosome of a man
(D) The distance between two adjacent nucleotides in a DNA molecule is 4.3 Ao
Answer: C
10. Cellulose and Hemicellulose are called dietary fibre. They help in increasing the bulk of intestinal contents and by stimulating _____________movements in the large intestine
(A) Phototrophic
(B) Thigmonastic
(C) Helitrophic
(D) Peristaltic
Answer: D
(A) Fibrinogen
(B) Platelets
(C) Thrombin
(D) Albumin
Answer: Albumin
9. Pick out a correct statement from the followings
(A) There are more than 3 stop codons
(B) Morgan and Boveri were proposed the location of the genes on a chromosome
(C) There are 17 genes are found to be present in Y chromosome of a man
(D) The distance between two adjacent nucleotides in a DNA molecule is 4.3 Ao
Answer: C
10. Cellulose and Hemicellulose are called dietary fibre. They help in increasing the bulk of intestinal contents and by stimulating _____________movements in the large intestine
(A) Phototrophic
(B) Thigmonastic
(C) Helitrophic
(D) Peristaltic
Answer: D
11:-Tendon connects
A:-muscle to muscle
B:-bone to bone
C:-muscle to bone
D:-muscle to nerve
Ans: C
12:-Which of the following is not an enzyme?
A:-secretin
B:-chymotrypsin
C:-ptyalin
D:-pepsin
Ans: A
13:-Haemozoin is related with
A:-gambien fever
B:-yellow fever
C:-malaria fever
D:-all the above
Ans: C
14:-The pH of human blood is
A:-7.9
B:-7.4
C:-7.6
D:-6.8
Ans: B
15:-Organism having characters of both plants and animals is
A:-bacterium
B:-paramecium
C:-mycoplasma
D:-euglena
Ans: D
16:-Survival of the fittest and struggle for existence is related to
A:-Lamarckism
B:-Oparin's theory
C:-Weismann's theory
D:-Darwinism
Ans: D
17. ABO blood groups in humans are controlled by the gene I. It has three alleles – IA, IB and i. Since there are three different alleles, six different genotypes are possible. How many phenotypes can occur?
a) Three b) One c) Four d) Two
Ans: C
18. Which one of the following symbols and its representation, used in human pedigree analysis is correct?
a) □=○=Mating between relatives
b) ○=Unaffected male
c) □=Unaffected female
d) ◊=Male affected
Ans: A
19. Which one of the following conditions correctly describes the manner of determining the sex in the given example?
a) XO type of sex chromosomes determine male sex in grasshopper
b) XO condition in humans as found in Turner syndrome, determines female sex
c) Homozygous sex chromosomes(XX) produce male in Drosophila
d) Homozygous sex chromosomes(ZZ) determine female sex in birds
Ans: A
20. When domestic sewage mixes with river water
a) Small animals like rat will die after drinking river water
b) The increased microbial activity releases micronutrients such as iron.
c) The increased microbial activity uses up dissolved oxygen.
d) The river water is still suitable for drinking as impurities are only about 0.1 per cent
Ans: C
21. Select the correct statement from the following.
a) Biogas is produced by the activity of aerobic bacteria on animal waste.
b) Methanobacterium is an aerobic bacterium found in rumen of cattle.
c) Biogas, commonly called gober gas, is pure methane.
d) Activated sludge-sediment in settlement tank of sewage treatment plant is a right source of aerobic bacteria.
Ans: D
22. Read the following four statements (A to D):
a) Colostrums is recommended for the new born because it is rich in antigen.
b) Chikungunya is caused by a gram negative bacterium.
c) Tissue culture has proved useful in obtaining virus-free plants.
d) Beer is manufactured by distillation of fermented grape juice
How many of the above statements are wrong?
a) Three b) Four
c) One d) Two
Ans: A
23. Which one of the following expanded forms of the following acronyms is correct?
a)UNEP United Nations Environmental Policy
b)EPA Environmental Pollution Agency
c)IUCN International Union for Conservation of Nature and Natural Resources
d)IPCC International Penal for climate Change
Ans: C
24. Kyoto Protocol was endorsed at
a) CoP-3
b) CoP-5
c) CoP-6
d) CoP-4
Ans: A
25. Rachel Carson’s famous book ‘Silent Spring’ is related to
a) Pesticide pollution
b) Noise Pollution
c) Population explosion
d) Ecosystem management
Ans: A
A:-muscle to muscle
B:-bone to bone
C:-muscle to bone
D:-muscle to nerve
Ans: C
12:-Which of the following is not an enzyme?
A:-secretin
B:-chymotrypsin
C:-ptyalin
D:-pepsin
Ans: A
13:-Haemozoin is related with
A:-gambien fever
B:-yellow fever
C:-malaria fever
D:-all the above
Ans: C
14:-The pH of human blood is
A:-7.9
B:-7.4
C:-7.6
D:-6.8
Ans: B
15:-Organism having characters of both plants and animals is
A:-bacterium
B:-paramecium
C:-mycoplasma
D:-euglena
Ans: D
16:-Survival of the fittest and struggle for existence is related to
A:-Lamarckism
B:-Oparin's theory
C:-Weismann's theory
D:-Darwinism
Ans: D
17. ABO blood groups in humans are controlled by the gene I. It has three alleles – IA, IB and i. Since there are three different alleles, six different genotypes are possible. How many phenotypes can occur?
a) Three b) One c) Four d) Two
Ans: C
18. Which one of the following symbols and its representation, used in human pedigree analysis is correct?
a) □=○=Mating between relatives
b) ○=Unaffected male
c) □=Unaffected female
d) ◊=Male affected
Ans: A
19. Which one of the following conditions correctly describes the manner of determining the sex in the given example?
a) XO type of sex chromosomes determine male sex in grasshopper
b) XO condition in humans as found in Turner syndrome, determines female sex
c) Homozygous sex chromosomes(XX) produce male in Drosophila
d) Homozygous sex chromosomes(ZZ) determine female sex in birds
Ans: A
20. When domestic sewage mixes with river water
a) Small animals like rat will die after drinking river water
b) The increased microbial activity releases micronutrients such as iron.
c) The increased microbial activity uses up dissolved oxygen.
d) The river water is still suitable for drinking as impurities are only about 0.1 per cent
Ans: C
21. Select the correct statement from the following.
a) Biogas is produced by the activity of aerobic bacteria on animal waste.
b) Methanobacterium is an aerobic bacterium found in rumen of cattle.
c) Biogas, commonly called gober gas, is pure methane.
d) Activated sludge-sediment in settlement tank of sewage treatment plant is a right source of aerobic bacteria.
Ans: D
22. Read the following four statements (A to D):
a) Colostrums is recommended for the new born because it is rich in antigen.
b) Chikungunya is caused by a gram negative bacterium.
c) Tissue culture has proved useful in obtaining virus-free plants.
d) Beer is manufactured by distillation of fermented grape juice
How many of the above statements are wrong?
a) Three b) Four
c) One d) Two
Ans: A
23. Which one of the following expanded forms of the following acronyms is correct?
a)UNEP United Nations Environmental Policy
b)EPA Environmental Pollution Agency
c)IUCN International Union for Conservation of Nature and Natural Resources
d)IPCC International Penal for climate Change
Ans: C
24. Kyoto Protocol was endorsed at
a) CoP-3
b) CoP-5
c) CoP-6
d) CoP-4
Ans: A
25. Rachel Carson’s famous book ‘Silent Spring’ is related to
a) Pesticide pollution
b) Noise Pollution
c) Population explosion
d) Ecosystem management
Ans: A
- Zoology
- Zoology- Page 1
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- Zoology- Page 3
- Zoology- Page 4
- Zoology- Page 5
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- Zoology- Page 7
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- 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