2561: Due to their extensive rice cultivation, some regions may be contributing to global warming. To what possible reason/reasons is this attributable ?
1. The anaerobic conditions associated with rice cultivation cause the emission of methane.
2. When nitrogen based fertilizers are used, nitrous oxide, is emitted from the cultivated soil.
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
2562: Who is the scientist in whose honour the Chandra X-ray telescope has been named ?
(a) Chandrasekhar Venkat Raman
(b) Jagdish Chandra Bose
(c) Prafulla Chandra Roy
(d) Subrahmanyan Chandrasekhar
2563: Man cannot digest cellulose whereas cows can do so because
(a) Their gut contains certain bacteria capable of digesting cellulose
(b) They have a many-chambered stomach
(c) They have efficient grinding molars
(d) They produce an enzyme cellulose which can digest cellulose
2564: Assertion (A) :
Lord Linlithgo described the August Movement of 1942 as the most serious revolt after the Sepoy mutiny.
Reason (R) :
Peasants joined the movement in large number in some places.
(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
2565: Consider the following statements:
1. Purchasing Power Parity (PPP) exchange rates are calculated by comparing the prices of the same basket of goods and services in different countries.
2. In terms of PPP dollars, India is the sixth largest economy in the world.
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