Q. No.DNA and RNA comprise of
(1) sugar, phosphate, base
(2) sugar, phosphate
(3) base, phosphate
(4) sugar, base
Which of the following options consist of non-essential amino acids only?
(1) Valine, leucine, glycine, alanine
(2) Glycine, serine, proline, glutamic acid
(3) Proline, aspartic acid, glutamic acid, methionine
(4) Cysteine, tyrosine, alanine, isoleucine
Match Column - I with Column -II and select the correct option from codes given below.
Column-I Column-II
A. Pigments (i) Abrin, ricin
B. Toxins (ii) Concanavalin A
C. Alkaloids (iii) Carotenoids
D. Lectins (iv) Morphine, codeine
(1) A-(iv), B-(iii), C-(i), D-(ii)
(2) A-(ii), B-(iv), C-(i), D-(iii)
(3) A-(iii), B-(i), C-(iv),D-(ii)
(4) A-(i), B-(ii), C-(iii), D-(iv)
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 |
Match the tissues/molecules mentioned in column I with those of their degrading enzymes mentioned in column II and select the correct option from the given codes.
Column I Column II
A. Cell wall (i) Proteases
B. RNA (ii) Pectinases
C. Histone (iii) Ribonucleases
D. Pectin (iv) Cellulase
(1) A-(iv), B-(iii), C-(i), D-(ii)
(2) A-(ii), B-(i), C-(iv),D-(iii)
(3) A-(i),B-(ii),C-(iii),D-(iv)
(4) A-(iii),B-(iv),C-(ii), D-(i)
Excess carbohydrates and proteins are stored in the body as
(1) amino acids
(2) fats
(3) starch
(4) monosaccharides
Nickel contributes to the formation of one of the following
| 1. | urease |
| 2. | dehydrogenase |
| 3. | rubisco protein |
| 4. | nitrate reductase |
Amino acid is a:
| 1. | Substituted methane |
| 2. | Substituted ethane |
| 3. | Any acid having amino group |
| 4. | Derivative of indol acetic acid |
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