Q. No.
D(+) glucose yields an oxime with hydroxyl amine. The structure of the oxime would be:
1.
2.
3.
4.
The disease caused by deficiency of vitamin B1 is:
| 1. | Convulsions | 2. | Beri-beri |
| 3. | Cheilosis | 4. | Sterility |
Sucrose can be formed by:
1. α–D–galactopyranose and α–D–glucopyranose
2. α–D–glucopyranose and β–D–fructofuranose
3. β–D–galactopyranose and α–D–fructofuranose
4. α–D–galactopyranose and β–D–fructopyranose
Which one of the following statements is not true regarding (+) lactose?
| 1. | (+) lactose is a β -glycoside and a molecule of D(+) galactose |
| 2. | (+) lactose is a reducing sugar and does not exhibit mutarotation |
| 3. | (+) lactose, C 12 H 22 O 11 contains 8-0 H groups |
| 4. | On hydrolysis (+) lactose gives equal amount of D(+) glucose and D(+) galactose |
Which one of the following does not exhibit the phenomenon of mutarotation?
1. (+) Sucrose
2. (+) Lactose
3. (+) Maltose=
4. (-) Fructose
The segment of DNA, that acts as the instrumental manual for the synthesis of the protein is:
| 1. | Nucleotide | 2. | Ribose |
| 3. | Gene | 4. | Nucleoside |
Which of the following hormones contains iodine?
1. Insulin
2. Testosterone
3. Adrenaline
4. Thyroxine
In DNA, the complementary bases are:
1. Adenine and thymine; guanine and cytosine
2. Adenine and thymine; guanine and uracil
3. Adenine and guanine, thymine and cytosine
4. Uracil and adenine; cytosine and guanine
Which one of the following vitamins is water-soluble?
| 1. | Vitamin-B | 2. | Vitamin-E |
| 3. | Vitamin-K | 4. | Vitamin-A |
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