- 1(current)
Q. No.
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Match the columns:
1. A = (i), B = (ii), C = (iii), D = (iv)
2. A = (iv), B = (ii), C = (i), D = (iii)
3. A = (ii), B = (i), C = (iv), D = (iii)
4. A = (iv), B = (ii), C = (iii), D = (i)
| Column-I | Column-II | ||
| A. | Tansley | (i) | Gave the term ecology |
| B. | Ramdeo Mishra | (ii) | Father of ecology |
| C. | Reiter | (iii) | Correctly defined ecology |
| D. | Ernst Haeckel | (iv) | Gave the term ecosystem |
1. A = (i), B = (ii), C = (iii), D = (iv)
2. A = (iv), B = (ii), C = (i), D = (iii)
3. A = (ii), B = (i), C = (iv), D = (iii)
4. A = (iv), B = (ii), C = (iii), D = (i)
Subtopic: Energy Flow | Ecological Flow |
Level 3: 35%-60%
Hints
Assertion: In a food chain, members of successive higher levels are fewer in number.
Reason: Number of organisms at any trophic level depends upon the availability of organisms which serve as food at the lower level.
1. Both Assertion & Reason are true and Reason is the correct explanation of Assertion
2. Both Assertion & Reason are true but Reason is not the correct explanation of Assertion
3. Assertion is true statement but Reason is false.
4. Both Assertion and Reason are false statements.
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Subtopic: Energy Flow | Ecological Flow |
73%
Level 2: 60%+
Hints
Assertion(A): The energy trapped by the producer is either passed on to a consumer or the organism dies.
Reason(R): No energy that is trapped in an organism remains in it forever.
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): No energy that is trapped in an organism remains in it forever.
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: Ecological Flow |
77%
Level 2: 60%+
Hints
Assertion(A): The food chain or food web exists in ecosystems.
Reason(R): Death of organism is the beginning of the Grazing food chain/web.
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): Death of organism is the beginning of the Grazing food chain/web.
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: Ecological Flow |
77%
Level 2: 60%+
Hints
- 1(current)
Q. No.
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