1746: Which one of the following metals does not form amalgams ?

(a) Zinc

(b) Copper

(c) Magnesium

(d) Iron
1747: Azolla gives a good biofertilizer when mixed with:

(a) Blue-green algae

(b) Cow dung

(c) Bone-meal

(d) Urea
1748: Match List-I with List-II and select the correct answer using the codes given below the lists:

List I (City)

(A) Washinton D.C.
(B) Berlin
(C) Paris
(D) Madrid

List II (River)

1. River Manzanares
2. River Seine
3. River Spree
4. River Potomac

(A) 2 1 4 3
(B) 2 3 4 1
(C) 4 1 2 3
(D) 4 3 2 1
1749: Consider the following statements :

1. National Development Council is an organ of the Planning Commission.

2. The Economic and Social Planning is kept in the Concurrent List in the Constitution of India.

3. The Constitution of India prescribes that Panchayats should be assigned the task of preparation of place for economic development and social justice.

Which of the statements given above is / are correct?

(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
1750: 'The Arctic Home of the Vedas' was written by:

(a) Minoo Masani

(b) Acharya Vinoba Bhave

(c) S. Radhakrishnan

(d) Bal Gangadhar Tilak