Which of the following combination of factors affects enzyme activity?
A. Salinity & pH
B. Temperature
C. Concentration of substrate
D. Temperature & pH
E. pH
Choose the correct answer from the options given below:
1. A only
2. B only
3. C & D only
4. A & B only
A. Salinity & pH
B. Temperature
C. Concentration of substrate
D. Temperature & pH
E. pH
Choose the correct answer from the options given below:
1. A only
2. B only
3. C & D only
4. A & B only
Subtopic: Factors Affecting Enzyme Catalysis Reaction |
85%
From NCERT
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Match List I with List II:
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
| 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 |
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 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 |
87%
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 |
55%
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 |
53%
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 |
86%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints
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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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
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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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
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 |
73%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
If A and C make 30% and 20% of DNA, respectively, what will be the percentage composition of T and G ?
1. T : 20%, G : 30%
2. T : 30%, G : 20%
3. T : 30%, G : 30%
4. T : 20%, G : 20%
1. T : 20%, G : 30%
2. T : 30%, G : 20%
3. T : 30%, G : 30%
4. T : 20%, G : 20%
Subtopic: Nucleic Acid: Nucleotides |
84%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
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