771: With reference to BRIC countries, consider the following statements :
1. At present, China's GDP is more than the combined GDP of all the three other countries.
2. China's population is more than the combined population of any two other countries.
Which of the statements given above is/are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
772: Which one of the following agricultural practices is eco-friendly ?
(a) Organic farming
(b) Shifting cultivation
(c) Cultivation of high-yielding varieties
(d) Growing plants in glass-houses
773: During the freedom struggle, Aruna Asaf Ali was a major woman organizer of underground activity in
(a) Non-Cooperation Movement
(b) Civil Disobedience Movement
(c) Swadeshi Movement
(d) Quit India Movement
774: Consider the following phenomena :
1. Light is affected by gravity.
2. The Universe is constantly expanding.
3. Matter warps its surrounding space-time.
Which of the above is/are the prediction/predictions of Albert Einstein's General Theory of Relativity, often discussed in media ?
(a) 1 and 2 only
(b) 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
775: Which of the following discoveries is/are associated with Einstein?
(i) Theory of relativity
(ii) Quantum theory
(iii) Radio activity
(iv) Rocket propulsion
(a) (i) & (ii)
(b) (i), (ii) & (iii)
(c) (i), (ii) & (iv)
(d) (i) only