446: Which of the following is true about the Bats?
1. Bats are mammals
2. Bats have wings which are actually the modified forelimbs
3. Bats are nocturnal in habit
(a) 1, 2 & 3
(b) 2 & 3
(c) 1 & 3
(d) 1 & 2
447: The SEZ Act, 2005 which came into effect in February 2006 has certain objectives. In this context, consider the following :
1. Development of infrastructure facilities.
2. Promotion of investment from foreign sources.
3. Promotion of exports of services only.
Which of the above are the objectives of this Act ?
(a) 1 and 2 only
(b) 2 and 3 only
(b) 3 only
(d) 1, 2 and 3
448: Who among the following attended all the three Round Table Conferences?
(a) Madan Mohan Malaviya
(b) Mahatma Gandhi
(c) Sarojini Naidu
(d) B. R. Ambedkar
449: When a CD (Compact Disc used in audio and video systems) is seen in sunlight, rainbow like colours are seen. This can be explained on the basis of the phenomenon of
(a) reflection and diffraction
(b) reflection and transmission
(c) diffraction and transmission
(d) refraction, diffraction and transmission
450: In which one of the following kinds of organisms is the phenomenon found wherein the female kills the male after copulation?
(a) Spider
(b) Honeybee
(c) Dragonfly
(d) Pit viper