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  • 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:  Lipids: Fatty Acids | 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:  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:  Primary & Secondary Metabolites |
 81%
Level 1: 80%+
Hints
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Which of the secondary metabolites is an important anti-cancer drug?
1. Ricin 2. Abrin
3. Vincristine 4. Atropine
Subtopic:  Primary & Secondary Metabolites |
 72%
Level 2: 60%+
Please attempt this question first.
Hints
Match each item in Column I with one in Column II and select the correct match from the codes given:
Secondary metabolites Class
A. Vinblastine P. Polymeric substances
B. Concanavalin A Q. Drugs
C. Rubber R. Toxins
D. Ricin S. Lectins

Codes:
A B C D
1. R S P Q
2. Q S P R
3. Q P R S
4. P Q R S
Subtopic:  Primary & Secondary Metabolites |
 89%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
All the following will be secondary metabolites synthesised by living organisms, except:
1. flavonoids
2. antibiotics
3. starch
4. gums
Subtopic:  Primary & Secondary Metabolites |
 73%
Level 2: 60%+
Please attempt this question first.
Hints
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Assertion (A): Secondary metabolites in plants do not play any roles in the plant bodies.
Reason (R): All secondary metabolites are excretory products in plants.
 
1. Both (A) and (R) are True and (R) correctly explains (A).
2. Both (A) and (R) are True and (R) does not correctly explain (A).
3. (A) is True; (R) is False
4. Both (A) and (R) are False
Subtopic:  Primary & Secondary Metabolites |
 50%
Level 3: 35%-60%
Please attempt this question first.
Hints
Match the following secondary metabolites with their examples as given in the table of NCERT:
Column A Column B
1. Alkaloids A. Tannins
2. Terpenoids B. Rubber
3. Polyphenols C. Caffeine
Options:
1. 1-A, 2-B, 3-C
2. 1-C, 2-A, 3-B
3. 1-B, 2-C, 3-A
4. 1-C, 2-B, 3-A
Subtopic:  Primary & Secondary Metabolites |
Level 4: Below 35%
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Hints
Which of the following best describes the role of secondary metabolites in plants?
1. They are primarily involved in growth and development.
2. They are essential for the plant's primary metabolic processes.
3. They play a key role in the plant's defense mechanisms.
4. They are directly involved in photosynthesis.
Subtopic:  Primary & Secondary Metabolites |
 81%
Level 1: 80%+
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Hints
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In a typical cell, which of the following constitutes least % of the total cellular mass?

1. Proteins 2. Nucleic acids
3. Carbohydrates 4. Lipids
Subtopic:  Primary & Secondary Metabolites |
 76%
Level 2: 60%+
Hints
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