501: Which one of the following crops enriches the nitrogen content in soil ?

(a) Potato

(b) Sorghum

(c) Sunflower

(d) Pea
502: Match List I (Article of Indian Constitution) with List II (Provisions) and select the correct answer using the codes given below the lists:

List I (Article of Indian Constitution)
A. Article 16(2)
B. Article 29(2)
C. Article 30(1)
D. Article 31(1)

List II (Provisions)
1. No person shall be deprived of his property save by the authority of law
2. No person can be discriminated against in the matter of public appointment on the ground of race, religion or caste
3. All minorities whether based on religion or language shall have the fundamental right to establish and administer educational institutions of their choice
4. No citizen shall be denied admission into any educational institution maintained by the State, or receiving State aid, on grounds of religion, race, caste, language or any of them.

Codes:
A B C D
(a) 2 4 3 1
(b) 3 1 2 4
(c) 2 1 3 4
(d) 3 4 2 1
503: Assertion (A):
There was an increase in industrial production during 1999-2000.

Reason (R):
The period witnessed a stable exchange rate and improved business sentiments.

(a) Both A and R are individually true, and R is the correct explanation of A
(b) Both A and R are individually true, but R is NOT a correct explanation of A
(c) A is true, but R is false
(d) A is fasle, but R is true
504: Which pair is correct ?

(a) Sea horse, Sea cucumber, Sea urchin

(b) Star fish, Cuttle fish, Dog

(c) House fly, Dragon fly, Butterfly

(d) Earthworm, Ringworm, Tapeworm
505: According to the National Human Rights Commission Act, 1993, who amongst the following can be its Chairman?

(a) Any serving Judge of the Supreme Court
(b) Any serving Judge of the High Court
(c) Only a retired Chief Justice of India
(d) Only a retired Chief Justice of High Court