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

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
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An antigen develops antibodies which protect the body from their harmful effects. The antibodies
are:-

(1) immunoglobulins

(2) phospholipids

(3) albumins

(4) lymphocytes

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure | Vitamins, Hormones & Enzymes |
 81%
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Which one is a test for proteins?

(1) Beilstein test             

(2) Biuret test

(3) Benedict's test           

(4) Molisch test

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 55%
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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

Subtopic:  Vitamins, Hormones & Enzymes |
 68%
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Deficiency of which Vitamin  develops impotence:

 

(1) B

(2) C

(3) D

(4) E

Subtopic:  Vitamins, Hormones & Enzymes |
 66%
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The hormone insulin is a secretion of the organ:

1. ovary

2. testes

3. adrenal cortex

4. pancreas

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 85%
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The process of respiration in absence of oxygen is called:

(1) metabolic

(2) aerobic

(3) anaerobic

(4) glycolysis

Subtopic:  Carbohydrates - Classification & D-L configuration |
 92%
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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

Subtopic:  Polysaccharides & their Importance |
 62%
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Which of the following is protein hormones?

1. Insulin

2. Oxytocin

3. Both (1) and (2)

4. None of the above

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure | Vitamins, Hormones & Enzymes |
 70%
From NCERT
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The function of DNA is:

1. To synthesize RNA.
2. To synthesize the necessary proteins.
3. To carry the hereditary characteristics from generation to generation.
4. All of the above.
Subtopic:   DNA, RNA & Metal Ions |
 84%
From NCERT
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