41. Sea Anemone and gastropod shells inhabited by hermite crabs are:
(a) Mutuals
(b) Commensals✅
(c) Symbionts
(d) All above
42. The association in which different species live together in a mutually advantageous relationship is called:
(a) Commensalism
(b) Mutualism✅
(c) Symbiosis
(d) None
43. Flagellate protozoans and termites are example of:
(a) Symbionts
(b) Commensals
(c) Mutuals✅
(d) None
44. The association between different species in which one is benefited and other is harmed is called:
(a) Parasitism
(b) Commensalism✅
(c) Symbiosis
(d) Mutualism
45. Human lice is an example of:
(a) Commensal
(b) Ectoparasite✅
(c) Endoparasite
(d) None
46. Round worms are example of:
(a) Endoparasites✅
(b) Ectoparasite
(c) Sponophyte
(d) Saprophyte
47. What is the cause of extreme environment:
(a) Agriculture
(b) Industrialisation
(c) both (a) and (b)✅
(d) None
48. Temperature, light, soil and air are examples of:
(a) Biotic factors
(b) Abiotic factors✅
(c) Environmental factors
(d) All above
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