901: With reference to the scientific progress of ancient India, which of the statements given below are correct?
1. Different kinds of specialized surgical instruments were in common use by 1st century AD.
2. Transplant of internal organs in the human body had begun by the beginning of 3rd century AD.
3. The concept of sine of an angle was known in 5th century AD.
4. The concept of cyclic quadrilaterals was known in 7th century AD.
Select the correct answer using the codes given below :
(a) 1 and 2 only
(b) 3 and 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4
902: With reference to Indian defence, which one of the following statements is not correct?
(a) With the induction of Prithvi II, the IAF is the only airforce in the world with surface-to-surface ballistic missiles under its command
(b) Sukhoi-30 MKI jet fighters can launch air-to-air and air-to-surface precision missiles
(c) Trishul is a supersonic surface to-air missile-vith a range of 30 km
(d) The indigenously built INS Prabal can launch surface-to-surface missiles
903: Consider the following statements :
Glass can be etched or scratched by
I. diamond.
II. hydrofluoric acid.
III. aquaregia.
IV. cone, sulphuric acid.
Which of these statements are correct ?
(a) I and IV
(b) II and III
(c) I and II
(d) II and IV
904: The sea coast of which one of the following states has become famous as a nesting place for the giant Olive Ridley turtles from South America?
(a) Goa
(b) Gujarat
(c) Orissa
(d) Tamil Nadu
905: Assertion (A):
The emergence of economic globalism does not imply the decline of socialist ideology.
Reason (R):
The ideology of Socialism believes in universalism and globalism.
In the context of the above two statements, which one of the following is correct ?
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true, but R is not a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true