3951: From which one of the following did India buy the Barak anti-missile defence systems?
(a) France
(b) Israel
(c) Russia
(d) USA
3952: Graphene is frequently in news recently. What is its importance?
1. It is a two-dimensional material and has good electrical conductivity.
2. It is one of the thinnest but strongest materials tested so far.
3. It is entirely made of silicon and has high optical transparency.
4. It can be used as 'conducting electrodes' required for touch screens, LCDs and organic LEDs.
Which of the statements given above are correct?
(a) 1 and 2 only
(b) 3 and 4 only
(c) 1, 2 and 4 only
(d) 1, 2, 3 and 4
3953: The concept of welfare state is included in the Constitution of India in:
(a) Preamble
(b) Fundamental Rights
(c) Fourth Schedule
(d) Directive Principles of State Policy
3954: Which one of the following statements is not correct?
(a) The status of Gomateshwara at Sravanabelagola represents the last Tirthankara of Jains
(b) India's largest Buddhist monastery is in Arunachal Pradesh
(c) The Khajuraho temples were built under Chandela Kings
(d) The Hoysalesvara temple is dedicated to Siva
3955: Direct taxation was introduced by the ...... committee.
(a) Wanchoo
(b) Chetty
(c) Kaldor
(d) Raja Chelliah