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029/2020

In which of the following separation techniques the separation is based on the net
charge of the molecule ?

A) Affinity chromatography B) lon exchange chromatography

©) Molecular exclusion chromatography ൧) Isopyenic centrifugation

An example for triose is

A) Glucose B) Ribulose

C) Xylulose D) Glyceraldehyde

The exoskeleton of insects (chitin) is composed of

A) N-Acetyl glucosamine B) N-Acetyl muramic acid
©) N-Acetyl galactosamine D) Glucose-6-phosphate

Of the following, which amino acid is an imino acid ?
A) Histidine B) Glutamic acid C) Proline D) Tyrosine

The proteolytic enzyme trypsin, hydrolyses the peptide bonds in which
A) Amino group is contributed either by lysine or arginine

8) Carbonyl function is contributed either by lysine or arginine

C) Carbonyl function is contributed either by phenylalanine or tyrosine
D) Amino group is contributed either by phenylalanine or tyrosine

Which of the following is not an antioxidant ?

A) Vit. © B) Vit. E C) Carotenes D) Vit. ‏م8‎

lodine number of fatty acids denotes its

A) Degree of unsaturation B) Chain length

C) Molecular weight D) Solubility in water

Cold Sterilization means perseveration of food by

A) Sterilizing 81 179 °C B) Radiation

©) Sterilizing at 0 °C D) Lyophylization

In humans the basal metabolic rate accounts for about percentage of

the daily calorie expenditure.

A) 60-75 8) 40-55 C) 25-40 D) 80-90

The Respiratory Quotient (RQ) is the ratio of

A) O, consumed/CO, eliminated 8) 1120 consumed/CO, eliminated

©) 00, eliminated/O, consumed 0) CO, eliminated/H,0 consumed
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