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 |
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Match List -I with List - II.

List-I List-Ii
(a) Protein
(b) Unsaturated fatty acid 
(c) Nucleic acid
(d)Polysaccharides
I. C-C double bonds
II. Phosphodiester bonds
III. Glycosidic bonds
IV. Peptide bonds

Choose the correct answer from the options given below.

    (a) (b) (c) (d)

1. (ii) (i) (iv) (iii)

2. (iv) (iii) (i) (ii)

3. (iv) (i) (ii) (iii)

4. (i) (iv) (iii) (ii)

 

Subtopic:  Nucleic Acid: Nucleotides | Proteins | Carbohydrates | Lipids |
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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 |
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Following are the statements with reference to 'lipids'.

(a) Lipids having only single bonds are called unsaturated fatty acids.

(b) Lecithin is a phospholipid.

(c) Trihydroxy propane is glycerol.

(d) Palmitic acid has 20 carbon atoms including carboxyl carbon.

(e) Arachidonic acid has 16 carbon atoms.

Choose the correct answer from the options given below.

1. (b) and (c) only

2. (b) and (e) only

3. (a) and (b) only

4. (c) and (d) only

Subtopic:  Lipids |
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Match the following:

(a)

Inhibitor of catalytic activity

(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:  Carbohydrates | Primary & Secondary Metabolites |
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Identify the basic amino acid from the following.

1. Glutamic Acid

2. Lysine

3. Valine

4. Tyrosine

Subtopic:  Amino Acids |
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Which one of the following is the most abundant protein in animals?

(1)  Collagen

(2)  Lectin

(3)  Insulin

(4)  Hemoglobin

Subtopic:  Proteins | Introduction |
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Identify the statement which is incorrect.

1. Sulphur is an integral part of cysteine.

2. Glycine is an example of lipids.

3. Lecithin contains a phosphorus atom in its structure.

4. Tyrosine possesses an aromatic ring in its structure.

Subtopic:  Amino Acids | Lipids |
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Match the following :

(a) Aquaporin (i) Amide

(b) Asparagine (ii) Polysaccharide

(c) Abscisic acid (iii) Polypeptide

(d) Chitin (iv) Carotenoids

Select the correct option :

1. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)

2. (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)

3. (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)

4. (a)-(iii), (b)-(i), (c) -(ii), (d)-(iv)

Subtopic:  Carbohydrates |
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Consider the following statements:

(A) Coenzyme or metal ion that is tightly bound to enzyme protein is called prosthetic group

(B) A complete catalytic enzyme with its bound prosthetic group is called apoenzyme

Select the correct option

1. (A) is false but (B) is true

2. Both (A) and (B) are true

3. (A) is true but (B) is false

4. Both (A) and (B) are false

Subtopic:  Enzyme Cofactors |
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