- 1(current)
Q. No.Consider the given two statements:
| Assertion (A): | Urea is the primary nitrogenous waste in humans. |
| Reason (R): | It is less toxic and more soluble in water compared to ammonia. |
| 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 Nitrogenous Excretory Products |
 56%
Level 3: 35%-60%
Please attempt this question first.
Hints
Please attempt this question first.
Identify the correct statements:
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
| I: | Cartilaginous fishes are ammonotelic. |
| II: | Mammals are ureotelic. |
| III: | Land snails are uricotelic. |
2. Only I and III
3. Only II and III
4. I, II and III
Subtopic: Â Nitrogenous Excretory Products |
 63%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
- 1(current)
Q. No.
© 2026 GoodEd Technologies Pvt. Ltd.