Given below are two statements :
Statement I: When the fitness of one species is significantly lower in the presence of another species, the process is defined as competition.
Statement II: When fungi remain in association with living plants or animals, they are called saprophytes.
In  light of the above statements, choose the correct answer from the options given below :
1. Both Statement I and Statement II are True 
2. Both Statement I and Statement II are False
3. Statement I is True but Statement II is False
4. Statement I is False but Statement II is True
Subtopic:  Population Interactions: Competition | Population Interactions: Commensalism, Protocooperation & Mutualism |
 70%
From NCERT
NEET - 2024
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Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Connell's elegant field experiment showed that on the rocky sea, the larger and competitively superior barnacles dominate the intertidal area and exclude the smaller barnacles from that area.
Reason (R): Generally, herbivores and plants appear to be more adversely affected by competition than carnivores.
In the light of the above statements, choose the correct answer from the options given below:
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 Interactions: Competition |
 72%
From NCERT
NEET - 2024
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Match List I with List II 
List I
(Interaction)
List II 
(Species A and B)
A. Mutualism I. +(A), O(B)
B. Commensalism II. –(A), O(B)
C. Amensalism III. +(A), –(B)
D. Parasitism  IV +(A), +(B)

Choose the correct answer from the options given below :
Options: A B C D
1. III I IV II
2. IV II I II
3. IV I II III
4. IV III I II
Subtopic:  Population Interactions: Competition | Population Interactions: Predation | Population Interactions: Parasitism | Population Interactions: Commensalism, Protocooperation & Mutualism |
 88%
From NCERT
NEET - 2023
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Given below are two statements:
Statement I: Gause's 'Competitive Exclusion Principle' states that two closely related species competing for the same resources cannot co-exist indefinitely and competitively inferior one will be eliminated eventually.
Statement II: In general, carnivores are more adversely affected by competition than herbivores.

In the light of the above statements, choose the correct answer from the options given below:
1. Statement I is incorrect but Statement II is correct.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is correct but Statement II is incorrect.
Subtopic:  Population Interactions: Competition |
 63%
From NCERT
NEET - 2023
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Match List I with List II
List I (Interacting species) List II (Name of Interaction)
A. A Leopard and a Lion in a Forest/grassland I. Competition
B. A Cuckoo laying an egg in a Crow's nest II. Brood parasitism
C. Fungi and root of a higher plant mycorrhizae I. Mutualism
D. A cattle egret and a Cattle in a field IV. Commensalism
  
Choose the correct answer from the options given below:
Options: A B C D
1. II III I IV
2. I II III IV
3. I II IV III
4. III IV I II
Subtopic:  Population Interactions: Competition | Population Interactions: Predation | Population Interactions: Parasitism | Population Interactions: Amensalism | Population Interactions: Commensalism, Protocooperation & Mutualism |
 80%
From NCERT
NEET - 2023
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Two butterfly species are competing for the same nectar of a flower in a garden. To survive and coexist together, they may avoid competition in the same garden by:
1. feeding at the same time.
2. choosing different foraging patterns.
3. increasing time spent on attacking each other.
4. predating on each other.
Subtopic:  Population Interactions: Competition |
 89%
NEET - 2022
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Inspite of interspecific competition in nature, which mechanism the competing species might have evolved for their survival?

1. Mutualism 2. Predation
3. Resource partitioning 4. Competitive release
Subtopic:  Population Interactions: Competition |
 75%
From NCERT
NEET - 2021
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Match the items in Column-I with those in Column-II:

Column-I Column-II
(a) Herbivores-Plants  (i) Commensalism
(b) Mycorrhiza-Plants (ii) Mutualism
(c) Sheep-Cattle  (iii) Predation
(d) Orchid-Tree (iv) Competition


Select the correct option from the following:

Options: (a) (b) (c) (d)
1. (iv) (ii) (i) (iii)
2. (iii) (ii) (iv) (i)
3. (ii) (i) (iii) (iv)
4. (i) (iii) (iv) (ii)

Subtopic:  Population Interactions: Competition | Population Interactions: Predation | Population Interactions: Commensalism, Protocooperation & Mutualism |
 83%
From NCERT
NEET - 2020
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NEET 2025 - Target Batch
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Carnivorous animals - lions and leopards, occupy the same niche but lions predate mostly larger animals and leopards take smaller ones. This mechanism of competition is referred to as:

1. Character displacement

2. Altruism

3. Resource partitioning

4. Competitive exclusion

Subtopic:  Population Interactions: Competition |
 81%
From NCERT
NEET - 2019
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