List of top Zoology Questions

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Scaffolding proteins are non-histone chromosomal proteins.
Reason R: Scaffolding proteins are abundant in lysine and Arginine.
In the light of the above statements, choose the most appropriate answer from the options given below :

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Treatment of immunoglobulin IgG with β-mercaptoethanol gives rise to two heavy chains and two light chains peptides on SDS-PAGE.
Reason R: β-mercaptoethanol breaks peptide bond at the site of disulphide linkage.
In the light of the above statements, choose the most appropriate answer from the options given below:

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: The wing of a bird, forelimb of human and forelimb of lizard are homologous.
Reason R: Organ's underlying similarity arises due to their derivation from common ancestors.
In the light of the above statements, choose the most appropriate answer from the options given below :

Which of the hominins first migrated out of Africa ?

Cosmid vector is made up of :

The ribozyme that catalyses peptide bond formation during prokaryotic protein synthesis is :

Carina is :

The egg of birds and fishes have only one small area which is free of yolk and where division takes place. Such an egg is known as :

In the course of evolution, first horses appeared in which period ?

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Food chains are short.
Reason R: There is a loss of 10% of energy at each trophic level.
In the light of the above statements, choose the most appropriate answer from the options given below :

All of the following are amniotes except :

Teak is a dominant tree species of which of the following types of forests in India ?

Which is the correct sequence of events in urine formation ?

The world's only floating national park is situated in :

Neuroglia found in peripheral nervous system (PNS) contains the following cells :

A lizard like reptile which is considered as a "Living fossil" is :

The drug Aspirin inhibits the synthesis of :

All human antibody types possess a proline-rich flexible 'hinge region' except :

Separation of two different alleles from each other during gamete formation in a heterozygote follows :

The anti-parallel nature of double standard DNA is due to :

To detect infection of SARS-CoV2 in humans, RT-PCR technique is used to quantify :

Which cell organelle is involved in the synthesis of glycosphingolipids and glycoproteins inside the cell ?

Actinomycin D inhibits :

Which of the following event occurs during the Diplonema/Diplotene stage of meiosis ?

Which of the following are not the Bio-chemical changes in the muscles due to hypertrophy?
A. Amount of Myoglobin and glycogen increases
B. Oxidation of Carbohydrates and Fats increases
C. Amount of connective tissues increases
D. Capillary density per fiber also increases
Choose the most appropriate answer from the options given below :