Match List-I with List-II
List-I List-II
A. Toxin I. Gum
B. Polymeric substance II. Concanavalin A
C. Lectin III. Ricin
D.  Drug  IV.  Vinblastin
Choose the correct answer from the options given below:
1. A-III, B-IV, C-II, D-I
2. A-II, B-IV, C-I, D-III
3. A-III, B-I, C-II, D-IV
4. A-II, B-I, C-IV, D-III
Subtopic:  Primary & Secondary Metabolites |
 88%
From NCERT
NEET - 2024
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Which of the following is not a secondary metabolite?
1. Curcumin 2. Morphine
3. Anthocyanin 4. Lecithin
Subtopic:  Primary & Secondary Metabolites |
 68%
From NCERT
NEET - 2023
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Match List - I with List - II
List-I List-II
(A) Terpenoids (I) Codeine
(B) Unsaturated fatty acid (II) Diterpenes
(C) Nucleic acid (III) Ricin
(D) Polysaccharide (IV) Concanavalin A
Choose the correct answer from the options given below:
Options: (A) (B) (C) (D)
1. II IV III I
2. II I IV III
3. II III I IV
4. II IV I III
Subtopic:  Primary & Secondary Metabolites |
NEET - 2023
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Match List-I with List-II: 
List-I List-II
(A) Adenine (I) Pigment
(B) Anthocyanin (II) Polysaccharide
(C) Chitin  (III) Alkaloid
(D) Codeine (IV) Purine

Choose the correct answer from the options given below:
(A) (B) (C) (D)
1. (IV) (I) (II) (III)
2. (IV) (III) (II) (I)
3. (III) (I) (IV) (II)
4. (I) (IV) (III) (II)
Subtopic:  Nucleic Acid | Primary & Secondary Metabolites | Carbohydrates: Cellulose, Chitin, Inulin & Agar |
 87%
From NCERT
NEET - 2022
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NEET 2025 - Target Batch
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Which of the following are not secondary metabolites in plants?

1. Vinblastin, curcumin

2. Rubber, gums

3. Morphine, codeine

4. Amino acids, glucose

Subtopic:  Primary & Secondary Metabolites |
 86%
From NCERT
NEET - 2021
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NEET 2025 - Target Batch
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Identify the incorrect pair.
1. Lectins - Concanavalin A
2. Drugs - Ricin
3. Alkaloids - Codeine
4. Toxin - Abrin

Subtopic:  Primary & Secondary Metabolites |
 78%
From NCERT
NEET - 2021
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Match the following:

(a) Inhibitor of catalytic activity of succinate dehydrogenase (i) Ricin
(b) Possess peptide bonds (ii) Malonate
(c) Cell wall material in fungi (iii) Chitin
(d) Secondary metabolite (iv) Collagen

Choose the correct option from the following:
(a) (b) (c) (d)
1. (iii) (i) (iv) (ii)
2. (iii) (iv) (i) (ii)
3. (ii) (iii) (i) (iv)
4. (ii) (iv) (iii) (i)
Subtopic:  Proteins | Enzyme Inhibition | Primary & Secondary Metabolites | Carbohydrates: Cellulose, Chitin, Inulin & Agar |
 89%
From NCERT
NEET - 2020
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NEET 2025 - Target Batch
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Concanavalin A is:

1. a pigment

2. an alkaloid

3. an essential oil

4. a lectin

Subtopic:  Primary & Secondary Metabolites |
 73%
From NCERT
NEET - 2019
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