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 |
 84%
Level 1: 80%+
NEET - 2024
Hints

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 |
 90%
Level 1: 80%+
NEET - 2023
Hints

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 III. 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 |
 83%
Level 1: 80%+
NEET - 2023
Hints

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If '+' sign is assigned to beneficial interaction, '–' sign to detrimental and '0' sign to neutral interaction, then the population interaction represented by '+' '–' refers to:

1. mutualism 2. amensalism
3. commensalism 4. parasitism
Subtopic:  Population Interactions: Parasitism |
 91%
Level 1: 80%+
NEET - 2016
Hints

Which one of the following is categorized as a parasite in a true sense?
1. Human foetus developing inside the uterus draws nourishment from the mother
2. Head louse living on the human scalp as well as laying eggs on human hair
3. The cuckoo (koel) lays its eggs in a crow's nest
4. The female Anopheles bites and sucks blood from humans
Subtopic:  Population Interactions: Parasitism |
 69%
Level 2: 60%+
AIPMT - 2011
Hints

Which of the following is a correct pair: 

1. Cuscuta – parasite

2. Dischidia – insectivorous

3. Opuntia – predator

4. Capsella – hydrophyte

Subtopic:  Population Interactions: Parasitism |
 88%
Level 1: 80%+
AIPMT - 2002
Hints

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