Redness of blood is because of the presence of:

(1) iron in heme pigment

(2) haemoglobin

(3) copper in heme pigment

(4) all of the above

An antigen develops antibodies which protect the body from their harmful effects. The antibodies
are:-

(1) immunoglobulins

(2) phospholipids

(3) albumins

(4) lymphocytes

Which one is a test for proteins?

(1) Beilstein test             

(2) Biuret test

(3) Benedict's test           

(4) Molisch test

Insulin has 51 amino acids in two polypeptide chains which are linked by:

(1) one sulphide bond

(2) one disulphide bond

(3) two disulphide bonds

(4) three disulphide bonds

(1) B

(2) C

(3) D

(4) E

The hormone insulin is a secretion of the organ:

1. ovary

2. testes

3. adrenal cortex

4. pancreas

The process of respiration in absence of oxygen is called:

(1) metabolic

(2) aerobic

(3) anaerobic

(4) glycolysis

One mole of glucose on respiration produces:-

(1)36 mole of ATP

(2)34 mole of ATP

(3)40 mole of ATP

(4)38 mole of ATP

Which of the following is protein hormones?

1. Insulin

2. Oxytocin

3. Both (1) and (2)

4. None of the above

The function of DNA is: