A chemical that can be used
as a sweetening agent, temperature and is calorie-free is
1. Sucrose
2. Glucose
3. Aspartame
4. Sucralose
1. Sucrose
2. Glucose
3. Aspartame
4. Sucralose
Which of the following will not enhance nutritional value of food?
(1) Minerals
(2) Artificial Sweeteners
(3) Vitamins
(4) Amino acids
Which of the following statements are incorrect about receptor proteins?
(1) Majority of receptor proteins are embedded in the cell membranes
(2) The active site of receptor proteins opens on the outside region of the cell
(3) Chemical messengers are received at the binding sites of receptor proteins
(4) Shape of the receptor doesn't change during attachment of a messenger
A molecule that cannot be used as a food preservative is -
1. Table salt
2. Sodium hydrogen carbonate
3. Rock salt
4. Benzoic acid
The correct statement among the following regarding barbiturates is:
| 1. | They are antifertility drugs. |
| 2. | They are tranquilizers. |
| 3. | They are non-narcotic analgesics. |
| 4. | They reduce pain without disturbing the nervous system. |
Which of the following are sulpha drugs?
(a) Sulphapyridine
(b) Prontosil
(c) Salvarsan
(d) Nardil
(1) a, b
(2) a, c
(3) b, c
(4) b, d
Which of the following compounds are administered as antacids?
(a) Sodium carbonate
(b) Sodium hydrogen carbonate
(c) Aluminium carbonate
(d) Magnesium hydroxide
(1) b,c
(2) a,d
(3) b,d
(4) c,d
An anionic detergent among the following is/are:
| 1. | Sodium salts of sulphonated long-chain alcohols. |
| 2. | Ester of stearic acid and polyethylene glycol. |
| 3. | Quaternary ammonium salt of the amine with acetate ion. |
| 4. | Sodium salts of sulphonated long-chain hydrocarbons. |
1. a and b
2. a and c
3. a and d
4. b and d
The correct statement among the following is:
| a. | Cationic detergents have germicidal properties. |
| b. | Bacteria can degrade the detergents containing highly branched chains. |
| c. | Some synthetic detergents can give foam even in ice-cold water. |
| d. | Synthetic detergents are not soaps. |
1. a, c and d
2. a, b and c
3. b and c
4. c and d
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