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Q. No.Consider the given two statements:
| Assertion (A): | Viruses grown in the presence of radioactive phosphorus contained radioactive proteins but not radioactive DNA. |
| Reason (R): | DNA contains phosphorus but protein does not. |
| 1. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 2. | (A) is True but (R) is False. |
| 3. | (A) is False but (R) is True. |
| 4. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
Subtopic: Search for Genetic Material |
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Level 1: 80%+
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Consider the given two statements:
Choose the correct option.
| Assertion (A): | Griffith's experiment demonstrated the presence of a transforming principle in bacteria. |
| Reason (R): | Heat-killed virulent bacteria could transform non-virulent bacteria into virulent forms. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Search for Genetic Material |
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Level 1: 80%+
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Consider the given statements:
| I: | Griffith discovered the process of bacterial transformation. |
| II: | Hershey and Chase unequivocally proved that DNA is the genetic material. |
| III: | Meselson and Stahl showed that DNA replicated semi-conservatively. |
| 1. | Only I and II are correct |
| 2. | Only I and III are correct |
| 3. | Only II and III are correct |
| 4. | I, II and III are correct |
Subtopic: DNA Replication | Search for Genetic Material |
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Level 1: 80%+
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Q. No.
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