39) Which among the following industry showed growth during two world wars in India?

40) The ’Eri’ Silkworm (Philosamia recini)which feeds on common castor-plant, is mainly raised in which of the following states, for producing eri-silk?

41) Which is the most widely distributed and commercially reared honeybee species in the world?

42) Which one of the following plants belongs to family Anacardiaceae?

43) Which of the following is not a peninsular river