Question

Q53. With reference to biotic interaction consider the following statements:
1. In Commensalism, both the species are positively benefited.
2. In Amensalism, one species is positively benefited and the other remains neutral.
3. In Predation and Parasitism one species is positively benefited and the other is harmed.
Which of the above statement(s) is/are correct?

• A. (a) Only 1 and 2
• B. (b) Only 2
• C. (c) Only 2 and 3
• D. (d) Only 3

Answer 1

The correct option is D (d) Only 3

BIOTIC INTERACTION
S.No. Type Species 1 Species 2
1. Mutualism + +
2. Commensalism + 0
3. Amensalism – 0
4. Competition – –
5. Predation + –
6. Parasitism + –
+ = Benefited
– = Harmed
0 = Neither Benefited nor harmed