- 1(current)
Q. No.Given below are two statements:
| Assertion (A): | Viroids are different from viruses. |
| Reason (R): | Viroids lack capsid but viruses posses capsid. |
| 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. | Both (A) and (R) are False. |
Subtopic: Â Virus, Viroids & Prions |
 82%
Level 1: 80%+
Hints
Assertion: Viruses are obligate parasites
Reason: Viruses cannot propagate outside the host cell
1. If both assertion and reason are true and the reason is the correct explanation of the assertion
2. If both assertion and reason are true and the reason is not the correct explanation of the assertion
3. If assertion is true but reason is false
4. If both assertion and reason are false statement
Reason: Viruses cannot propagate outside the host cell
1. If both assertion and reason are true and the reason is the correct explanation of the assertion
2. If both assertion and reason are true and the reason is not the correct explanation of the assertion
3. If assertion is true but reason is false
4. If both assertion and reason are false statement
Subtopic: Â Virus, Viroids & Prions |
 82%
Level 1: 80%+
Hints
Read the following statements about viroids:
(i) These were discovered by T.O Diener
(ii) These are of high molecular weight
(iii) Their RNA is of low molecular weight
(iv) May possess capsid
How many of the above statements are correct?
1. Two
2. One
3. Four
4. Three
(i) These were discovered by T.O Diener
(ii) These are of high molecular weight
(iii) Their RNA is of low molecular weight
(iv) May possess capsid
How many of the above statements are correct?
1. Two
2. One
3. Four
4. Three
Subtopic: Â Virus, Viroids & Prions |
 83%
Level 1: 80%+
Hints
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Assertion(A): Viruses are smaller than bacteria.
Reason(R): Viruses pass through bacteria-proof filters.
Choices for Assertions and reasons:
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.
Reason(R): Viruses pass through bacteria-proof filters.
Choices for Assertions and reasons:
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: Â Virus, Viroids & Prions |
Level 4: Below 35%
Hints
Assertion(A): The RNA of the viroid is of low molecular weight.
Reason(R): This RNA is able to cause neurological diseases in humans.
Choices for Assertions and reasons:
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.
Reason(R): This RNA is able to cause neurological diseases in humans.
Choices for Assertions and reasons:
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: Â Virus, Viroids & Prions |
 63%
Level 2: 60%+
Hints
- 1(current)
Q. No.
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