- 1(current)
Q. No.Which of the following is not an example of a secondary metabolite produced in living organisms?
1. Lecithin
2. Alkaloids
3. Flavonoids
4. Antibiotics
Subtopic: Â Lipids: Fatty Acids |Â Primary & Secondary Metabolites |
Level 3: 35%-60%
Hints
Match each item in Column I with one item in Column II and chose your answer from the codes given below:
| Column I | Column II | ||
| (a) | Alkaloid | (i) | Abrin |
| (b) | Toxin | (ii) | Morphine |
| (c) | Lectin | (iii) | Vinblastin |
| (d) | Drug | (iv) | Concanavalin A |
| (a) | (b) | (c) | (d) | |
| 1. | (i) | (ii) | (iii) | (iv) |
| 2. | (ii) | (i) | (iv) | (iii) |
| 3. | (ii) | (i) | (iii) | (iv) |
| 4. | (i) | (ii) | (iv) | (iii) |
Subtopic: Â Primary & Secondary Metabolites |
 81%
Level 1: 80%+
Hints
Consider the given statements regarding some important secondary metabolites:
1. Only I, II and III are correct
2. Only I, III and IV are correct
3. Only II, III and IV are correct
4. I, II, III and IV are correct
| I: | Morphine is a strong opiate that is found naturally in opium and is mainly used as a pain medication. |
| II: | Ricin is a toxin and a highly potent toxin produced in the seeds of the castor oil plant. |
| III: | Concanavalin A is a lectin and is widely used in biology and biochemistry to characterize glycoproteins and other sugar-containing entities on the surface of various cells. |
| IV: | Vinblastin is an anti-cancer drug typically used with other medications, to treat a number of types of cancer. |
2. Only I, III and IV are correct
3. Only II, III and IV are correct
4. I, II, III and IV are correct
Subtopic: Â Primary & Secondary Metabolites |
 81%
Level 1: 80%+
Hints
Consider the given two statements:
| Statement I: | Secondary metabolites derived from plant, fungal and microbial cells do not have a use in human welfare. |
| Statement II: | We do not, at the moment, understand the role or functions of all the secondary metabolites in host organisms. |
| 1. | Both Statement I and Statement II are correct and Statement II correctly explains Statement I |
| 2. | Both Statement I and Statement II are correct but Statement II does not correctly explain Statement I |
| 3. | Statement I is correct but Statement II is incorrect |
| 4. | Statement I is incorrect but Statement II is correct |
Subtopic: Â Primary & Secondary Metabolites |
 81%
Level 1: 80%+
Hints
- 1(current)
Q. No.
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