NAT I Medical Biology With Answers

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NAT I Medical Biology

Sr. # Questions Answers Choice
1 In case of enzymes the detachable co-factor is called Reactant Activator In activator None
2 Which of the following are metal ions used as a co-factor Mg<sup>2+</sup> Fe<sup>2+</sup> Cu<sup>2+</sup> All of above
3 Non-protein part of amino acids is known as Co-factor Activator Holoenzyme Co-enzyme
4 In enzymatic reactions the reactant is called Product Substrate Catalysis None
5 The catalytic activity of enzymes restricted to a small protein of the structure known as Inactive site Active site Reactant site Inhibitor site
6 Enzymes are composed of Carbohydrates Lipids Amino acids All of above
7 The general formula of monosaccharides is (CH<sub>4</sub>O)<sub>n</sub> (CH<sub>2</sub>O)<sub>n</sub> (CH<sub>3</sub>O) (CHO)<sub>n</sub>
8 All carbons in a monosaccharide have a hydroxyl group except One carbon 3-carbons 2-carbons 4-carbons
9 The sugar which is sweet in taste easily soluble in water and cannot hydrolyzed into simpler sugar is called Disaccharides Trisaccharides Monosaccharide Polysaccharides
10 Carbohydrates are also called saccharides derived from Greek word Italic word French word None of above
11 Carbohydrates in the cell combine with protein and a resultant compound is called Glycolipids Glycoprotein Glycogenesis Glycolic acid
12 Primary source of carbohydrates are Animals Plants Both a and b None
13 Chemically carbohydrates are Polyhydroxy of Aldehydes or ketons Benzene Alcohol Carboxylic acid
14 The general formula of carbohydrate C<sub>6</sub>H<sub>12</sub>O<sub>6</sub> C<sub>22</sub>H<sub>11</sub>O<sub>12</sub> C<sub>n</sub>(H<sub>2</sub>O)<sub>n</sub> C<sub>18</sub>H<sub>20</sub>O<sub>18</sub>
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