Entry Test MCQ :: Macromolecules
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| 21. |
Saponification is the hydrolysis of fat or oil with an |
| A. |
Acid |
B. |
Alkali |
| C. |
Enzyme and alkali |
D. |
Enzyme and acid |
Answer: Option B
Explanation:
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| 22. |
Enzynies that catalyze the transfer of groups within molecule are called |
| A. |
Isomerases |
B. |
Lyases |
| C. |
Transferases |
D. |
Ligases |
Answer: Option A
Explanation:
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| 23. |
Enzymes from the same organism which catalyze same reaction but are chemically and physically distinct from each other are called |
| A. |
Oxidoreductases |
B. |
Hydrolases |
| C. |
Isoenzymes |
D. |
Isomerases |
Answer: Option C
Explanation:
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| 24. |
Rate of enzymatic reaction is directly proportional to the concentration of |
| A. |
Enzyme |
B. |
Substrate |
| C. |
Enzyme and substrate |
D. |
Enzyme and product |
Answer: Option B
Explanation:
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| 25. |
Enzyme proved useful in cancer treatment is |
| A. |
Lactic dehydrogenase |
B. |
Alkaline phosphatase |
| C. |
L-asparaginase |
D. |
Cellulase |
Answer: Option C
Explanation:
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| 26. |
Purines and pyrimidines are |
| A. |
Enzymes |
B. |
Nitrogenous bases |
| C. |
Carbohydrates |
D. |
Lipids |
Answer: Option B
Explanation:
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| 27. |
Nucleic acids were first demonstrated in |
| A. |
Pus cells |
B. |
Sperm heads |
| C. |
1872 |
D. |
all of the above |
Answer: Option A
Explanation:
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| 28. |
Nucleic acids direct the synthesis of |
| A. |
Glucose |
B. |
Triglycerides |
| C. |
Proteins |
D. |
All |
Answer: Option C
Explanation:
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| 29. |
The mechanism by which the genetic information can be duplicated is called |
| A. |
Duplication |
B. |
Transcription |
| C. |
Replication |
D. |
Mutation |
Answer: Option C
Explanation:
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| 30. |
The nitrogenous base different in RNA as compared to DNA is |
| A. |
Cytosine |
B. |
Thymine |
| C. |
Adenine |
D. |
Guanine |
Answer: Option B
Explanation:
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