List of top Zoology Questions on body fluids and circulation asked in TS EAMCET

Number of amino acids in human insulin:

Consider the following statements: Assertion (A): Arteries are more elastic than veins. Reason (R): The wall of arteries has thick muscular wall and two elastic laminae.

Indian carp 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

Choose the wrongly matched pair

Consider the following statements:
Assertion (A): During blood clotting, at one stage, soluble fibrin is formed
Reason (R): Factor XIII, released from platelets, converts it into insoluble fibrin fibres. Factor XIII replaces the hydrogen bonds present among the monomers of soluble fibrin with covalent bonds

Number of amino acids in polypeptide chain A and polypeptide chain B of insulin

Assertion (A): In amphibians and reptiles the blood circulation is described as incomplete double circulation.
Reason (R): They have a single ventricle in the heart, where oxygenated and deoxygenated blood are mixed and then circulated to the body parts as mixed blood.