1646: A small weight put on the pressure cooker increases the pressure of steam because:

(a) It is air tight

(b) Area of contact is very small

(c) Density of metal is very high

(d) Pressure builds up irrespective of the weight placed
1647: Match List-I with List-II and select the correct answer using the codes given below the lists :

List-I (Organization) -- List-II (Associated Convention/Person/Place/Headquarters)

A. Amnesty International -- 1.Visculi

B. Common wealth of Independent States (CIS) -- 2. Paris

C. Danube Commission -- 3. Peter Beneson

D. Europian Space Agency -- 4. Belgrade Convention

(a) 4 2 3 1
(b) 3 2 4 1
(c) 4 1 3 2
(d) 3 1 4 2
1648: Consider the following statements:

1. The Commission for Agricultural Costs and Prices recommends the Minimum support Prices for 32 crops.

2. The Union Ministry of Consumer Affairs, Food and Public Distribution has launched the national Food Security Mission.

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
1649: The staple commodities of export by the English East India Company from Bengal in the middle of the 18th century were

(a) Raw cotton, oil-seeds and opium
(b) Sugar, salt, zinc and lead
(c) Copper, silver, gold, spices and tea
(d) Cotton, silk, saltpetre and opium
1650: Where was the first conference of the Pugwash Conferences on Science and World Affairs held in the Year 1957 ?

(a) Nova Scotia (Canada)
(b) Nagasaki (Japan)
(c) Minnow brook (USA)
(d) Rhode Island (USA)