1. Which of the following is true about kinetic effect of competitive inhibition?
A) Decrease Km without affecting Vmax
B) Increases Km without affecting Vmax
C) Decreases both Km and Vmax
D) Increases both Km and Vmax
2. The amino acid abundantly found in collagen:
A) Methionine B) Glycine
C) Tryptophan D) Glutamic acid
3. The primary function of Golgi apparatus in eukaryotic cells is:
A) Protein synthesis
B) Lipid synthesis
C) Modification and packing of proteins
D) Beta oxidation of fatty acids
4. Assertion (A) : Fatty acids with an odd number of carbon atoms can be fully oxidized through beta-oxidation.
Reason (R) : The final product of beta-oxidation acetyl- CoA, can be incorporated into the citric acid cycle regardless of the carbon atom number.
A) Both A and R are true and R is the correct explanation of A
B) Both A and R are true but R is not the correct explanation of A
C) A is true, but R is false
D) R is true, but A is false
5. Glutathione is a :
A) Polypeptide B) Tripeptide
C) Oligopeptide D) Glycoprotein
6. Assertion (A) : Genetic drift has more significant impact on small populations in
disrupting the Hardy-Weinberg equilibrium compared to large
populations.
Reason (R) : In smaller populations, chance events can lead to random
fluctuations in allele frequencies.
A) Both A and R are true and R is the correct explanation of A
B) Both A and R are true but R is not the correct explanation of A
C) A is true, but R is false
D) Both A and R are false
7. In a clinical trial, if a researcher fails to reject the null hypothesis when it is false, what type of error is made?
A) Type I error B) Type II error
C) Sampling error D) Measurement error
8. The enzyme responsible for the conversion of citrate to isocitrate in TCA cycle:
A) Citrate synthase B) Succinyl CoA synthetase
C) Aconitase D) Isocitrate dehydrogenase.
9. Identity the autosomal dominant disorders:
1. Huntington’s chorea
2. Cystic fibrosis
3. Myotonic dystrophy
4. Sickle cell anemia
A) 1& 2 only B) 1& 3 only C) 2 & 4 only D) 1, 2, 3 & 4
10. Identify the incorrect option about penetrance is 100% :
A) All recessive genotype shows one phenotype
B) The expressivity is 100%
C) All dominant genotypes have a different phenotype
D) All the heterozygotes have similar phenotype
11. Pink pages in red data book represent:
A) Extinct animals
B) Critically endangered animals
C) Threatened animals
D) Extinct deep sea animals
12. Monocondylic skull is found in:
1. Amphibians 2. Reptiles 3. Aves 4. Mammals
A) 1 & 2 only B) 2& 3 only C) 3& 4 only D) 3 only
13. When an animal learns to perform certain functions in response to many indifferent
stimuli but without any apparent reward or punishment, it is called:
A) Insight learning B) Trial and error learning
C) Latent learning D) None of these
14. Male induction of estrous is called:
A) Vanderbergh effect
B) Bruce effect
C) Whitten effect
D) McClintock effect
15. Neoplilina galathea belongs to:
A) Scaphopoda
B) Gastropoda
C) Monoplacophora
D) Amphineura
16. Identify the correct options about Bence Jones protein:
1. Presence of Bence Jones protein in urine indicates Multiple myeloma
2. Bence Jones proteins are derived from gamma globulins
3. Bence Jones protein is derived from alpha globulin
A) 1 only B) 1& 2 only C) 3 only D) 1, 2 & 3
17. A group of co-existing species which share a common niche is called:
A) Deme B) Subspecies C) Guild D) Race
18. Assertion (A): Recombination frequency never exceeds 50% but map distance can exceed 50 centiMorgans.
Reason ( R): The genes that are 50 map unit or apart, will behave as if they are independent of one another.
A) Both A and R are true and R is the correct explanation of A
B) Both A and R are true but R is not the correct explanation of A
C) A is true, but R is false
D) Both A and R are false
19. Species which are morphologically identical but do not interbreed are called:
A) Subspecies
B) Sibling species
C) Polytypic species
D) Allopatric species
20. Organisms that can tolerate narrow range of temperature are called:
A) Stenothermal
B) Ectotherms
C) Endothermal
D) Eurythermal
Answers:
|
1-B |
2-B |
3-C |
4-A |
5-B |
6-A |
7-B |
8-C |
9-B |
10-B |
|
11-B |
12-B |
13-C |
14-C |
15-C |
16-B |
17-C |
18-A |
19-B |
20-A |