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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Given below are two statements:
 
Statement I: Low temperature preserves the enzyme in a temporarily inactive state whereas high temperature destroys enzymatic activity because proteins are denatured by heat.
Statement II: When the inhibitor closely resembles the substrate in its molecular structure and inhibits the activity of the enzyme, it is known as competitive inhibitor.
In the light of the above statements, choose the correct answer from the options given below:
1. Statement I is false but Statement II is true.
2. Both Statement I and Statement II are true.
3. Both Statement I and Statement II are false.
4. Statement I is true but Statement II is false.
Subtopic:  Factors Affecting Enzyme Catalysis Reaction | Enzyme Inhibition |
 86%
From NCERT
NEET - 2023
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A competitive inhibitor of succinic dehydrogenase is:

1.malonate2.oxaloacetate
3.α-ketoglutarate4.malate
Subtopic:  Enzyme Inhibition: Introduction | Enzyme Inhibition |
 91%
From NCERT
AIPMT - 2008
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Inhibition of Succinic dehydrogenase enzyme by malonate is a classical example of:
1. Feedback inhibition
2. Competitive inhibition
3. Enzyme activation
4. Cofactor inhibition
Subtopic:  Enzyme Inhibition |
 80%
From NCERT
NEET - 2024
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Malonate inhibits the growth of pathogenic bacteria by inhibiting the activity of:
1. Dinitrogenase 2. Succinic dehydrogenase
3. Amylase 4. Lipase
Subtopic:  Enzyme Inhibition |
 87%
From NCERT
NEET - 2023
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