3231: A hydrogen inflated polythene balloon is released from the surface of the earth. As the balloon rises to an altitude up in the atmosphere, it will
(a) Decrease in size
(b) Flatten into a disc-like shape
(c) Increase in size
(d) Maintain the same size and shape
3232: With reference to the recent developments in science, which one of the following statements is not correct?
(a) Functional chromosomes can be created by joining segments of DNA taken from cells of different species.
(b) Pieces of artificial functional DNA can be created in laboratories.
(c) A piece of DNA taken out from an animal cell can be made to replicate outside a living cell in a laboratory.
(d) Cells taken out from plasma and animals can be made to undergo cell division in laboratory petri dishes.
3233: Ramanujacharya advocated:
(a) Dvaita
(b) Advaita
(c) Bhakti cult
(d) Vaishnavism
3234: Bharat Ratna was awarded in 1997 to
(a) Dr. Homi Bhabha (Posthumous)
(b) Former President R. Venkataraman
(c) Satyajit Ray (Posthumous)
(d) Dr. Abdul Kalam
3235: The time in the wall-clock is 3.25 the acute angle between the hours-hand and the minutes-hand is
(a) 60°
(b) 52 ½°
(c) 47 ½°
(d) 42°