Select Question Set:
Q. No.At which level of the biological organisation does the study of ecology typically start?
1.
Organism
2.
Population
3.
Biological community
4.
Ecosystem
Subtopic: Introduction to Ecology | Organisms and its Environment |
67%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
If a new habitat is just being colonised, which of the following may contribute most to the population growth rates?
| 1. | Mortality | 2. | Emigration |
| 3. | Natality | 4. | Immigration |
Subtopic: Population Characters: Natality & Mortality |
87%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Subtopic: Population Interactions: Commensalism, Protocooperation & Mutualism |
91%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
All species have evolved to adopt the most effective reproductive strategy for themselves. For example, pelagic fish produce:
1. a large number of small-sized offspring
2. a small number of small-sized offspring
3. a large number of large-sized offspring
4. a small number of large-sized offspring
Subtopic: Life History Variations |
93%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Consider the given two statements
| Assertion (A): | The female Anopheles mosquito is not considered a parasite. |
| Reason (R): | Only the male Anopheles mosquitoes bite and spread diseases in humans. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 3. | (A) is True, (R) is False. |
| 4. | (A) is False, (R) is False. |
Subtopic: Population Interactions: Parasitism |
68%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
How many of the given statements are true?
1. 0
2. 1
3. 2
4. 3
| I: | Parasites that feed on the external surface of the host organism are called ectoparasites. |
| II: | Anopheles is an ectoparasite. |
| III: | The life cycles of endoparasites are more complex because of their extreme specialisation. |
2. 1
3. 2
4. 3
Subtopic: Population Interactions: Parasitism |
72%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Herbivores, in a broad ecological context, are not very different from:
| 1. | predators | 2. | parasites |
| 3. | commensals | 4. | decomposers |
Subtopic: Population Interactions: Predation |
86%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Consider the two statements:
1. Only Statement I is correct.
2. Only Statement II is correct.
3. Both Statement I and Statement II are incorrect.
4. Both Statement I and Statement II are correct.
| Statement I: | Most birds and mammals breed many times during their lifetime. |
| Statement II: | Most birds and mammals produce a small number of large sized offspring. |
1. Only Statement I is correct.
2. Only Statement II is correct.
3. Both Statement I and Statement II are incorrect.
4. Both Statement I and Statement II are correct.
Subtopic: Life History Variations |
84%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
In Mediterranean orchid, Ophrys:
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: | One petal of its flower bears an uncanny resemblance to the female of the pollinator bee in size, colour and markings. |
| II: | The orchid flower co-evolves to maintain the resemblance of its petal to the female bee. |
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: Population Interactions: Commensalism, Protocooperation & Mutualism |
94%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Only one species benefit and the interaction is detrimental to the other species in:
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
| I: | Predation |
| II: | Commensalism |
| III: | Parasitism |
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
Subtopic: Population Dynamic |
85%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Select Question Set:
© 2025 GoodEd Technologies Pvt. Ltd.