286: What is the tissue culture?
(a) Preparation of fragments of the cells of organism for biochemical examination
(b) Japanese culture
(c) Name given to a special type of surgery
(d) None of the above
287: Who among the following was not a no changer ?
(a) Dr. Ansari
(b) Dr. Rajendra Prasad
(c) Sardar Patel
(d) Motilal Nehru
288: The terms Event Horizon, Singularity, 'String Theory and Standard Model are sometimes seen in the news in the context of
(a) Observation and understanding of the Universe
(b) Study of the solar and the lunar eclipses
(c) Placing satellites in the orbit of the Earth
(d) Origin and evolution of living organisms on the Earth
289: The chemical used as a 'fixer' in photography is
(a) sodium sulphate
(b) sodium thiosulphate
(c) ammonium persulphate
(d) borax
290: Assertion (A):
Bangalore receives much higher average annual rainfall than that of Mangalore.
Reason (R):
Bangalore has the benefit of receiving rainfall both from south-west and north-east monsoons.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true