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Q. No.Match List I with List II:
List I
List II
A. Collagen
I. Intercellular ground substances
B. GLUT- 4
II. Flights infectious agents
C. Antibody
III. Sensory reception
D. Receptor
IV. Enables glucose transport into the cell
Choose the correct answer from the options given below:
1. A-II B-I C-III D-IV
2. A-IV B-III C-II D-I
3. A-I B-IV C-II D-III
4. A-III B-II C-IV D-I
Subtopic: Proteins |
92%
From NCERT
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Which of the following are correct with respect to the effect of change in substrate concentration on enzyme activity?
A. At Vmax, reaction velocity is limited mainly by the number of substrate molecules present
B. At substrate concentration much below Km, the active site of an enzyme molecule is free most of the time
C. An enzyme with a high Km has a low affinity for its substrate
D. At very high substrate concentrations, the active site of an enzymes molecules is free most of the time
E. At very low substrate concentrations, reaction velocity is limited mainly by the number of enzyme molecules present
Choose the correct answer from the options given below:
1. A, B and D only
2. B and C only
3. A and C only
4. B, D and E only
A. At Vmax, reaction velocity is limited mainly by the number of substrate molecules present
B. At substrate concentration much below Km, the active site of an enzyme molecule is free most of the time
C. An enzyme with a high Km has a low affinity for its substrate
D. At very high substrate concentrations, the active site of an enzymes molecules is free most of the time
E. At very low substrate concentrations, reaction velocity is limited mainly by the number of enzyme molecules present
Choose the correct answer from the options given below:
1. A, B and D only
2. B and C only
3. A and C only
4. B, D and E only
Subtopic: Enzyme Catalysis | Factors Affecting Enzyme Catalysis Reaction |
56%
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Hints
Given below are two statements:
Statement I: An enzyme that can be allosterically activated is most likely to catalyze the final reaction in a bio-synthetic pathway
Statement II: An enzyme can be allosterically activated by compound X and allosterically inhibited by compound Y
In light of the above statements, choose the most appropriate answer from the options given below.
1. Both statement I and statement II are true
2. Both statement I and statement II are false
3. Statement I is correct but statement II is false
4. Statement I is incorrect but statement II is true
Statement I: An enzyme that can be allosterically activated is most likely to catalyze the final reaction in a bio-synthetic pathway
Statement II: An enzyme can be allosterically activated by compound X and allosterically inhibited by compound Y
In light of the above statements, choose the most appropriate answer from the options given below.
1. Both statement I and statement II are true
2. Both statement I and statement II are false
3. Statement I is correct but statement II is false
4. Statement I is incorrect but statement II is true
Subtopic: Enzyme Catalysis | Factors Affecting Enzyme Catalysis Reaction |
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Hints
Which of the following compounds are secondary metabolites?
A. Morphine
B. Abrin
C. Lecithin
D. Uridine
E. Curcumin
Choose the correct answer from the option given below:
1. A & E only
2. A, B & E only
3. C & D only
4. A & C only
A. Morphine
B. Abrin
C. Lecithin
D. Uridine
E. Curcumin
Choose the correct answer from the option given below:
1. A & E only
2. A, B & E only
3. C & D only
4. A & C only
Subtopic: Primary & Secondary Metabolites |
89%
From NCERT
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Which of the following statement is/are incorrect regarding polysaccharides?
Choose the correct answer from the options given below:
1. A, B, C only
2. B, D, E only
3. B, E only
4. B, C, D only
| A. | Inulin is a polymer of fructose |
| B. | Both starch and glycogen are present as storehouses of energy in plant tissue |
| C. | Glucose is a monomer of cellulose |
| D. | Cellulose is a homopolymer while chitin is a heteropolymer |
| E. | Starch does not contain complex helices and hence cannot hold I2 |
1. A, B, C only
2. B, D, E only
3. B, E only
4. B, C, D only
Subtopic: Carbohydrates: Starch & Glycogen | Carbohydrates: Cellulose, Chitin, Inulin & Agar |
58%
From NCERT
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Given below are two statements :
Statement I: Organic compounds that are tightly bound to enzyme protein is called prosthetic group
Statement II: A complete catalytic active enzyme with its bound prosthetic group is called apoenzyme
In the light of the above statements, choose the most appropriate answer from the options given below
1. Both Statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true and Statement II is false
4. Statement I is false but Statement II is true
Statement I: Organic compounds that are tightly bound to enzyme protein is called prosthetic group
Statement II: A complete catalytic active enzyme with its bound prosthetic group is called apoenzyme
In the light of the above statements, choose the most appropriate answer from the options given below
1. Both Statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true and Statement II is false
4. Statement I is false but Statement II is true
Subtopic: Enzyme Cofactors |
From NCERT
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The amino acids, cysteine and methionine:
1. are not alpha amino acids
2. contain sulphur
3. are not present in any plant
4. are aromatic
1. are not alpha amino acids
2. contain sulphur
3. are not present in any plant
4. are aromatic
Subtopic: Amino Acids |
88%
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Match List-I with List-II:
Choose the correct answer from the options given below:
| 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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Primary proteins are also known as polypeptides, because:
1. they are linear chains.
2. they are polymers of peptide monomers.
3. successive amino acids are joined by peptide bonds.
4. they can assume many conformations.
1. they are linear chains.
2. they are polymers of peptide monomers.
3. successive amino acids are joined by peptide bonds.
4. they can assume many conformations.
Subtopic: Proteins |
57%
From NCERT
NEET - 2022
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Given below are two statements:
In the light of the above statements, choose the most appropriate answer from the options given below:
| Statement I: | Amino acids have a property of ionizable nature of –NH2 and –COOH groups, hence have different structures at different pH. |
| Statement II: | Amino acids can exist as Zwitterionic form at acidic and basic pH. |
| 1. | Both Statement I and Statement II are correct. |
| 2. | Both Statement I and Statement II are incorrect. |
| 3. | Statement I is correct but Statement II is incorrect. |
| 4. | Statement I is incorrect but Statement II is correct. |
Subtopic: Amino Acids |
74%
From NCERT
NEET - 2022
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NEET 2025 - Target Batch
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