641: To integrate cultural leaders into its meetings, which one of the following gives "Crystal Award"?
(a) Asia Pacific Economic Cooperation
(b) International Bank for Reconstruction and Development
(c) World Health Organization
(d) World Economic Forum
642: Which of the following practices can help in water conservation in agriculture?
1. Reduced or zero tillage of the land
2. Applying gypsum before irrigating the field
3. Allowing crop residue to remain in the field
Select the correct answer using the code given below :
a. 1 and 2 only
b. 3 only
c. 1 and 3 only
d. 1, 2 and 3
643: Consider the following statements:
1. V. K. Krishna Menon Foundation is based in new Delhi.
2. The first recipient of the V. K. Krishna Menon Award is the Chief Justice of India, K. G. Balakrishnan.
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
644: Assertion (A)
Eclipses do not occur on all full moon and new moon days
Reason (R)
The moon revolves round the earth in an elliptical orbit
(a) A and R both are incorrect
(b) A is correct but R is incorrect
(a) A and R are correct and R is the correct explanation of A
(b) A and R are correct but R is not the correct explanation of A
645: 'Gresham's Law' in Economics relates to:
(a) Supply and demand
(b) Circulation of currency
(c) Consumption and supply
(d) Distribution of goods and services