631: Earliest Indian coins belonged to which period?
(a) 5th century B.C.
(b) Ashoka's reign.
(c) 1st century A.D.
(d) 3rd century A.D.
632: With reference to the period of Indian freedom struggle, which of the following was/were recommended by the Nehru report ?
1. Complete Independence for India.
2. Joint electorates for reservation of seats for minorities.
3. Provision of fundamental rights for the people of India in the Constitution.
Select the correct answer using the codes given below:
(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
633: 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.
634: Monazite is an ore of
(a) zirconium
(b) thorium
(c) titanium
(d) iron
635: Which pair is correct ?
(a) Sea horse, Sea cucumber, Sea urchin
(b) Star fish, Cuttle fish, Dog
(c) House fly, Dragon fly, Butterfly
(d) Earthworm, Ringworm, Tapeworm