3781: India is a member of which of the following?

1. Asian Development Bank

2. Asia-Pacific Economic Cooperation

3. Colombo Plan

4. Organization for Economic Cooperation and Development (OECD)

Select the correct answer using the code given below:

(a) 1 and 3 only
(b) 1, 2 and 3 only
(c) 2 and 4 only
(d) 1, 2, 3 and 4
3782: With reference to 'fuel cells' in which hydrogen-rich fuel and oxygen are used to generate electricity. Consider the following statements :

1. If pure hydrogen is used as a fuel, the fuel cell emits heat and water as by-products.
2. Fuel cells can be used for powering buildings and not for small devices like laptop computers.
3. Fuel cells produce electricity in the form of Alternating Current (AC).

Which of the statements given above is / are correct?
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
3783: Chlorine is:

(a) A rare earth element

(b) A halogen

(c) A noble gas

(d) Coinage metal
3784: Among living organisms, which one of the following is the most responsible factor for bringing about the origin of a new species?

(a) Isolation
(b) Mutation
(c) Natural Selection
(d) Sexual Reproduction
3785: Who started Bhoodan Movement in India?

(a) Gandhiji

(b) Jayaprakash Narayan

(c) Vinoba Bhave

(d) Jawaharlal Nehru