Study the four statements (a–d) given below and select the two correct ones out of them:

a: A lion eating a deer and a sparrow feeding on grain are ecologically similar in being consumers
b: Predator starfish Pisaster helps in maintaining species diversity of some invertebrates
c: Predators ultimately lead to the extinction of prey species
d: Production of chemicals such as nicotine and strychnine by plants is metabolic disorder

The two correct statements are:
1. a and d
2. a and b
3. b and c
4. c and d

Subtopic:  Population Interactions: Predation |
 69%
From NCERT
AIPMT - 2010
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Which one of the following statements cannot be connected to Predation? 
1. It is necessitated by nature to maintain the ecological balance .
2. It helps in maintaining species diversity in a community. 
3. It might lead to the extinction of a species.
4. Both the interacting species are negatively impacted.
Subtopic:  Population Interactions: Predation |
 77%
From NCERT
NEET - 2022
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For chemical defense against herbivores, Calotropis has
1. Cardiac glycosides 2. strychnine
3. toxic ricin 4. distasteful quinine
Subtopic:  Population Interactions: Predation |
 85%
From NCERT
NEET - 2023
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Match List-I with List-II:
List-I List-II
A. Predator I. Ophrys
B. Mutualism II. Pisaster
C. Parasitism III. Female wasp and fig
D. Sexual deceit IV. Plasmodium
Choose the correct answer from the options given below:
1. A-III,B-II,C-I,D-IV
2. A-IV,B-I,C-II,D-III
3. A-II,B-III,C-I,D-IV
4. A-II,B-III,C-IV,D-I
Subtopic:  Population Interactions: Competition | Population Interactions: Predation | Population Interactions: Parasitism | Population Interactions: Commensalism, Protocooperation & Mutualism |
 82%
From NCERT
NEET - 2024
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Which one of the following is most appropriately defined:

1. Amensalism is a relationship in which one species is benefited whereas the other is unaffected
2. Predator is an organism that catches and kills other organism for food.
3. Parasite is an organism which always lives inside the body of another organism and may kill it.
4. Host is an organism which provides food to another organism.
Subtopic:  Population Interactions: Predation |
 68%
From NCERT
AIPMT - 2010
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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 |
 81%
From NCERT
NEET - 2023
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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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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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