611: Mughal painting reached its zenith under
(a) Humayun
(b) Akbar
(c) Jahangir
(d) Shahjahan
612: The primitive tribes of Andaman are descendants of:
(a) Negroids
(b) Australoids
(c) Mongoloids
(d) Caucasoids
613: Mycorrhiza is a symbiotic association between
(a) Bacteria and roots of higher plants
(b) Algae and roofs of orchids
(c) Fungi and roots of higher plants
(d) Protozoa and roots of higher plants
614: Black hole is:
(a) A magnetic dark cavity
(b) Name of a star
(c) A hole in the moon
(d) A dying star
615: The great Asian river Mekong does not run through :
(a) China
(b) Malaysia
(c) Cambodia
(d) Laos