Question

Refer to the given table. If '+' sign has been assigned for beneficial interaction, sign for detrimental interaction and '0' for neutral interaction, identify the type of interaction (i), (ii) and (iii) and select the correct option.

Species A	Species B	Type of interaction
-	-	(i)
+	-	(ii)
+	0	(iii)

	(i)	(ii)	(iii)
(a)	Predation	Parasitism	Amensalism
(b)	Competition	Predation	Commensalism
(c)	Competition	Parasitism	Commensalism
(d)	Both (b) and (c)

• A. a
• B. b
• C. c
• D. d

Answer 1

Answer: (D)

In competition, both species are harmed. In predation and parasitism, one species derives benefit and the other one is harmed. Commensalism is an interaction in which one species is benefitted and other one remains unaffected.