Select Question Set:
Q. No.Which of the following molecules is involved in the synthesis of cholesterol?
1. Tyrosine
2. Acetic acid
3. Gamma amino butyric acid
4. Tryptophan
60%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
88%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
The most important form of energy currency in living systems is the bond energy in a chemical called:
1. ATP
2. Creatine phosphate
3. Acetyl CoA
4. Glucose
1. ATP
2. Creatine phosphate
3. Acetyl CoA
4. Glucose
90%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Consider the given two statements:
I: The living state and metabolism are synonymous.
II: Metabolism provides a mechanism for the production of energy.
1. Both I and II are correct and II correctly explains I
2. Both I and II are correct but II does not correctly explain I
3. I is correct and II is incorrect
4. I is incorrect and II is correct
I: The living state and metabolism are synonymous.
II: Metabolism provides a mechanism for the production of energy.
1. Both I and II are correct and II correctly explains I
2. Both I and II are correct but II does not correctly explain I
3. I is correct and II is incorrect
4. I is incorrect and II is correct
65%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Match List I with List II:
Choose the correct answer from the options given below:
1. A -III , B-II, C-I, D-IV
2. A -III, B-I, C-II, D-IV
3. A -IV, B-III, C-I, D-II
4. A -III , B-IV, C-II , D-I
| List I | List II | ||
| A. | Chitin | I. | Polymer of fructose |
| B. | Lecithin | II. | Protein |
| C. | Collagen | III. | Polysaccharide |
| D. | Inulin | IV. | Phospholipid |
Choose the correct answer from the options given below:
1. A -III , B-II, C-I, D-IV
2. A -III, B-I, C-II, D-IV
3. A -IV, B-III, C-I, D-II
4. A -III , B-IV, C-II , D-I
Subtopic: Proteins | Lipids | Carbohydrates: Cellulose, Chitin, Inulin & Agar |
91%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
| A. | Cellulose and Starch can hold I2 due to formation of helical secondary structures |
| B. | Proteins transport nutrient across cell membrane and fight infectious organisms |
| C. | At high-temperature, enzymes get damaged while inorganic catalysts work efficiently |
| D. | In animal tissue, different drugs, pigments, essential oil, magnesium, O2 compounds are noticed |
| E. | DNA and RNA have three chemically distinct components - heterocyclic ring, pentose monosaccharide and phosphate |
1. D and E only
2. A and D only
3. A, B and D only
4. B, E and C only
Subtopic: The DNA | Proteins | Carbohydrates |
63%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
| A. | Release of products of the reaction |
| B. | Binding of substrate to the active site of the enzyme |
| C. | Formation of enzyme-substrate complex |
| D. | Alteration in the shape of the enzyme |
| E. | Enzyme free to bind another molecule of substrate |
1. B > C > D > A > E
2. B > D > C > A > E
3. B > D > A > E > C
4. B > E > D > C > A
Subtopic: Enzymes | Enzyme Catalysis |
55%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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
Subtopic: Factors Affecting Enzyme Catalysis Reaction |
86%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
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
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
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%
Please attempt this question first.
Hints
Select Question Set:
© 2025 GoodEd Technologies Pvt. Ltd.