An interaction in which one organism is benefitted and other is unaffected-
1. Predation
2. Commensalism
3. Mutualism
4. Parasitism
Subtopic: Â Population Interactions: Commensalism, Protocooperation & Mutualism |
 94%
Level 1: 80%+
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An interaction in which one organism is benefitted and other is unaffected?
1. predation
2. commensalism
3. mutualism
4. parasitism
1. predation
2. commensalism
3. mutualism
4. parasitism
Subtopic: Â Population Interactions: Commensalism, Protocooperation & Mutualism |
 96%
Level 1: 80%+
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At higher altitudes:
I: erythropoietin secretion is increased.
II: respiratory rate decreases.
III: the affinity of hemoglobin for oxygen is increased
1. Only I is correct
2. Only II and III are correct
3. I, II and III are correct
4. Only I and III are correct
I: erythropoietin secretion is increased.
II: respiratory rate decreases.
III: the affinity of hemoglobin for oxygen is increased
1. Only I is correct
2. Only II and III are correct
3. I, II and III are correct
4. Only I and III are correct
 58%
Level 3: 35%-60%
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A Tight one-to-one relationship between many species of fig tree and certain wasps is an example of
1. Commensalism
2. Parasitism
3. Amensalism
4. mutualism
1. Commensalism
2. Parasitism
3. Amensalism
4. mutualism
Subtopic: Â Population Interactions: Commensalism, Protocooperation & Mutualism |
 88%
Level 1: 80%+
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Important attributes belonging to a population but not to an individual are:
(i) Birth rate and death rate
(ii) Male and Female
(iii) Birth and Death
(iv) Sex-ratio
Select the correct option from the given options:
1. (i) only
2. (ii) only
3. (ii) and (iii)
4. (i) and (iv)
(i) Birth rate and death rate
(ii) Male and Female
(iii) Birth and Death
(iv) Sex-ratio
Select the correct option from the given options:
1. (i) only
2. (ii) only
3. (ii) and (iii)
4. (i) and (iv)
Subtopic: Â Population Attributes |
 82%
Level 1: 80%+
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Interaction between clown fish living among the stinging tentacles of sea anemone is an example of
1. Amensalism
2. Parasitism
3. Mutualism
4. Commensalism
1. Amensalism
2. Parasitism
3. Mutualism
4. Commensalism
Subtopic: Â Population Interactions: Commensalism, Protocooperation & Mutualism |
 87%
Level 1: 80%+
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Many copepods live n the body surface of marine fish. This relationship is an example:
1. Commensalism
2. Parasitism
3. Amensalism
4. Mutulism
1. Commensalism
2. Parasitism
3. Amensalism
4. Mutulism
Subtopic: Â Population Interactions: Parasitism |
 63%
Level 2: 60%+
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The graphs (X) and (Y) given below depict the diurnal variations in the solar radiations in the month of may (summer) and in December (Winter).
Which of the two graphs ____I____ and ____II____ depicts tropical regions and temperate regions respectively?
1. I-X and II-Y
2. I-Y and II-X
3. I-X and II-X
4. I-Y and II-Y
Which of the two graphs ____I____ and ____II____ depicts tropical regions and temperate regions respectively?
1. I-X and II-Y
2. I-Y and II-X
3. I-X and II-X
4. I-Y and II-Y
Level 3: 35%-60%
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What type of growth status the given pyramid represents?
1. Declining population.
2. Stable population.
3. Expanding population.
4. None of the above.
1. Declining population.
2. Stable population.
3. Expanding population.
4. None of the above.
Subtopic: Â Age Pyramid |
 84%
Level 1: 80%+
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R)
In the light of the above statements, choose the correct answer from the options given below:
| Assertion (A): | A person goes to high altitude and experiences "Altitude Sickness" with symptoms like breathing difficulty and heart palpitations. |
| Reason (R): | Due to low atmospheric pressure at high altitude, the body does not get sufficient oxygen |
| 1. | (A) is True but (R) is False |
| 2. | (A) is False but (R) is True |
| 3. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 4. | Both (A) and (R) are True but (R) is not the correct explanation of (A) |
 89%
Level 1: 80%+
NEET - 2023
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NEET 2026 - Target Batch - Vital
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