List of top Zoology Questions asked in TS EAMCET

Prolonged P-R interval indicates

If speciation takes place due to geographical isolation, it is called

Mating of superior male of one breed and superior female of another breed is called

Indian carp is

Choose the correct pair

Study the following and choose the incorrect statements
I. In stabilizing selection, the organisms with average phenotype are preserved, whereas extreme individuals of both sides are eliminated
II. Movement of genes from one population to the other is called directional selection
III. Centripetal selection operates when homogeneous environment changes into a heterogeneous type
IV. Genetic drift is related to small populations

If a colour blind man marries a carrier woman for colour blindness, chances of their children to become colour blind is

Consider the following statements
Assertion (A): Skin colour in human beings is a polygenic trait.
Reason (R): Human skin colour is controlled by cumulative effect of genes.
The correct answer is

Choose the odd pair

Karyotype of Turner's syndrome is

Match the following:

Consider the following statements
Assertion (A): Hypersecretion of insulin leads to insulin shock.
Reason (R): Hypoglycemia.
The correct answer is

These are the floating ribs in human rib cage

Match the following:

The primary lymphoid organ is

In human female, the ovum is released from the Graafian follicle at this stage

Volume of air remained in lungs after normal expiration is known as

Study the following and identify the correct statements:
I. Peptic cells of gastric glands secrete rennin
II. In liver of man, urea is synthesized
III. Pancreatic lipase is called steapsin
IV. Fundic region forms the major part of stomach

In a food chain, primary carnivores occupy

Consider the following statements:
Statement-I: Salmon and Hilsa are catadromous fishes.
Statement-II: In limnetic zone rate of photosynthesis and rate of respiration are almost equal.
The correct answer is

Consider the following statements:
Assertion (A): In cardiac cycle, whenever ventricles relax, the second sound dup is produced.
Reason (R): Closure of semilunar valves of pulmonary valve and aortic valve.
The correct answer is

Selective reabsorption of components in glomerular filtrate is regulated in these parts of nephron

Snow blindness is caused by

These structures of cockroach prevents the food from falling and pushes it into preoral cavity

Consider the following statements:
Assertion (A): In cockroach, 6th abdominal ganglion is the largest ganglion.
Reason (R): It is formed by the fusion of ganglia of 7-10 abdominal segments.
The correct answer is