- 1(current)
Q. No.Consider the two statements:
| Assertion (A): | The pyramid of biomass may be "inverted" in a pond ecosystem |
| Reason (R): | In a pond ecosystem, the standing crop of phytoplankton, the major producers, at any given point will be lower than the mass of the heterotrophs, such as fish and insects. |
| 1. | Both (A) and (R) are True and the (R) correctly explains (A). |
| 2. | Both (A) and (R) are True but the (R) does not correctly explain (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Ecological Flow |
88%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Consider the two statements:
| Assertion (A): | Pyramid of energy can be inverted in aquatic ecosystems. |
| Reason (R): | Aquatic life defies second law of thermodynamics. |
| 1. | Both (A) and (R) are True and the (R) correctly explains (A). |
| 2. | Both (A) and (R) are True but the (R) does not correctly explain (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Ecological Flow | Ecological Pyramids |
84%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
A primary carnivore:
I: in ecological context is a herbivore.
II: is also called as secondary consumer.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
I: in ecological context is a herbivore.
II: is also called as secondary consumer.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Ecological Flow |
78%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Consider the given two statements:
| Assertion (A): | Pyramid of energy is always upright, can never be inverted. |
| Reason (R): | When energy flows from a particular trophic level to the next trophic level, some energy is always lost as heat at each step.. |
| 1. | Both (A) and (R) are True and (R) correctly explains the (A) |
| 2. | Both (A) and (R) are True but (R) does not correctly explain the (A) |
| 3. | (A) is True, (R) is False |
| 4. | (A) is False, (R) is True |
Subtopic: Ecological Flow |
90%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
- 1(current)
Q. No.
© 2025 GoodEd Technologies Pvt. Ltd.