List of top Zoology Questions

Assertion (A): Some adult gastropods (e.g., snail) are asymmetrical.
Reason (R): Torsion takes place during the development of gastropods.

Symmetry of sea anemone is:

If a man with blood group A (homozygous) marries a woman with blood group B (homozygous), the following blood groups are not expected in their children.

Karyotype of Klinefelter’s syndrome is:

Pick up the incorrect pair.

If sex index ratio in Drosophila is 0.33, the sexual phenotype of it is:

Microanatomy is the study of:

In an ECG, a prolonged Q-T interval indicates:

Statement I: Epinephrine attaches to liver cell membrane receptors and activates adenylate cyclase.
Statement II: The cyclic-AMP activates phosphorylation and converts glycogen to glucose.

Assertion (A): Kidneys of vertebrates are retroperitoneal organs.
Reason (R): They are covered by the visceral peritoneum only on their ventral side.

Choose the incorrect combination among the following:

Identify triangular bones among the following:
A. Vomer
B. Coccyx
C. Scapula
D. Hyoid
E. Palatine

The driving force of evolution is:

Function of oligodendrocytes is:

Identify the incorrect pair.

Lakes that show overturns twice a year are called:

Match the following types of bones with examples:

Assertion (A): Heroin is the most potent and highly addictive drug.
Reason (R): Heroin is obtained by acetylation of morphine.

Saheli is a:

Arrange the following in sequence the events of mechanism of vision:

Assertion (A): Urine is hypertonic in the descending limb of loop of Henle, while urine is hypotonic in the ascending limb.
Reason (R): Ascending limb is impermeable to Na+, whereas descending limb is impermeable to water.

Certain mass of living material at a particular time at each trophic level is called:

Identify the incorrect statements regarding the immune system.
I. Immunity developed by individual due to vaccination is artificial passive acquired immunity.
II. Interleukins are involved in differentiation of immune cells.
III. Large granular lymphocytes destroy infected cell in an antibody dependent manner.
IV. Mature lymphocytes transform into functional lymphocytes in Peyer's patches.