2971: Consider the following statements about Jawaharlal Nehru :
I. He was the President of the Congress Party in 1947.
II. He presided over the Constituent Assembly.
III. He formed the first Congress Ministry in United Province before India's independence.
Of these statements
(a) I, II and III are correct
(b) I and III are correct
(c) I and II are correct
(d) None is correct
2972: The Archaeological Survey of India is an attached office of the Department / Ministry of :
(a) Culture
(b) Tourism
(c) Science and Technology
(d) Human Resource Development
2973: Which one of the following is useful for biological control of pests?
(a) Honey bees and locusts
(b) Scorpions and spiders
(c) Wasps and birds
(d) Parrots and kites
2974: Which one among the following languages has largest number of speakers in the world?
(a) Bengali
(b) French
(c) Japanese
(d) Portuguese
2975: 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