241: Which one of the following terms describes not only the physical space occupied by an organism, but also its functional role in the community of organisms?
(a) Ecotone
(b) Ecological niche
(c) Habitat
(d) Home range
242: The correct sequence of the eastward flowing rivers of the peninsular India from north to south is
(a) Subranarekha, Mahanadi, Godavari, Krishana, Pennar, Cauvery and Vagai
(b) Subranarekha, Mahanadi, Godavari, Cauvery, Vagai Pennar
(c) Mahanadi, Subarnarekha, Godavari, Krishna, Cauvery, Pennar and vagai
(d) Mahanadi, Subarnarekha, Krishna, Godavari, Cauvery, Vagai and Pennar