Identify the correctly matched pair:
Scientist Contribution
I: Connell Competitive release
II: Gauss Competitive exclusion principle
III: MacArthur Resource partitioning
IV: Tillman Rivet popper hypothesis
 
1. Only I, II and III
2. Only I, III and IV
3. Only II, III and IV
4. I, II, III and IV
Subtopic:  Population Interactions: Competition |
 62%
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Consider the two statements:
I: In ecology, the term “niche” describes the role an organism plays in a community.
II: A species’ niche encompasses both the physical and environmental conditions it requires and the interactions it has with other species.
 
1. I is correct; II is correct
2. I is correct; II is incorrect
3. I is incorrect; II is correct
4. I is incorrect; II is incorrect 
Subtopic:  Introduction to Ecology | Organisms and its Environment |
 88%
From NCERT
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Unlike a population, an individual has:

1. Birth and death 2. Birth rate
3. Death rate 4. Sex ratio

Subtopic:  Population Attributes |
 91%
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Consider the given two statements:
Assertion (A): The logistic growth curve is more realistic for natural populations than the exponential growth curve.
Reason (R): It considers environmental resistance and carrying capacity, which limit population size.
  
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:  Population: Logistic Growth Model |
 96%
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Why is an orchid growing as an epiphyte on a mango tree not considered parasitism?
1. Because the orchid harms the mango tree by extracting nutrients.
2. Because the orchid provides essential nutrients to the mango tree.
3. Because the orchid does not extract nutrients from the mango tree, merely using it as a physical support.
4. Because the mango tree derives nutrients from the orchid.
Subtopic:  Population Interactions: Commensalism, Protocooperation & Mutualism |
 91%
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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%
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Which of the following will represent a higher Darwinian Fitness?
1. Low r value
2. High r value
3. Low carrying capacity
4. High carrying capacity
Subtopic:  Life History Variations |
 84%
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Which of the following is not usually an adaptation for a parasitic mode of life?

1. Loss of unnecessary sense organs
2. Presence of adhesive organs or suckers
3. Loss of the digestive system
4. Low reproductive capacity
Subtopic:  Population Interactions: Parasitism |
 87%
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Flowers and their insect pollinators must undergo co-evolution because:

1. Without pollinators plants may get extinct
2. Plants have to reward the pollinators
3. The relationship must be safeguarded against cheaters
4. Insects are the major pollinators of plants
Subtopic:  Population Interactions: Coevolution |
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Which of the following animals pollinate a fig tree?
1. Honeybee
2. Wasp
3. Bird
4. Moth

Subtopic:  Population Interactions: Commensalism, Protocooperation & Mutualism |
 91%
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