Which one of the following is a pair of endangered species?
(a) Garden lizard and Mexican poppy
(b) Rhesus monkey and Sal tree
(c) Indian peacock and carrot grass
(d) Hornbill and Indian aconite.
(d) : The species or taxa, which are in dangers of extinction and which may not survive if the adverse factors continue to operate or the species whose numbers have been reduced to a critical level or their habitats have been drastically reduced in such a way that they are in instant danger of extinction are called endangered species. In India, aconite and horn bill are endangered species.