Cholesterol is a precursor for each of the following except

(1) bile salts                 

(2) vitamin D

(3) insulin                     

(4) steroids

Which one of the following is an incorrect combination?

(1) Adenine, thymine, cytidine

(2) Adenine, cytosine, thymine

(3) Guanine, thymine, uracil

(4) Cytosine, uracil, guanine

Identify the given structure:

(1) Adenylic acid

(2) Uracil

(3) Cholesterol

(4) Adenosine

Excess carbohydrates and proteins are stored in the body as

(1) amino acids                       

(2) fats

(3) starch                               

(4) monosaccharides

Which one of the following pairs in not correctly matched?

(1) Vitamin-B₁₂-Pernicious anaemia

(2) Vitamin-B₆-Loss of appetite

(3) Vitamin-B₁-Beri-beri

(4) Vitamin-B₃-Pellagra

Nickel contributes to the formation of one of the following

(1) urease                               

(2) dehydrogenase

(3) rubisco protein                   

(4) nitrate reductase

Thiamine (B₁) deficiency resuits in.
(1) Wernickes’ syndromes

(2) Korsakoffs’ syndromes

(3) osteonecrosis

(4) tunnel vission

FAD is a coenzyme derived from

(1) riboflavin

(2) vitamin-B₁₂

(3) thiamine

(4) niacin

Proteins are

(1) homopolymer

(2)heteropolymer

(3)homogenous mixture of amino acids

(4)heterogenous mixture of amino acids

Amino acid is a:

(1) Substituted methane                   

(2) Substituted ethane

(3) Any acid having amino group       

(4) Derivative of indol acetic acid