3076: Diego Garcia is:

(a) An American military air base in the Indian Ocean

(b) U.K. Navy base in the Pacific Ocean

(c) An island in Antarctica

(d) None of the above
3077: Match List I with List II and select the correct answer using the codes given below the Lists :

List I----------------------------------------------------------------------------------List II

I. Land allotted to big feudal landlords--------------------------------------------------(A) Jagirdari System

II. Land allotted to revenue farmers or rent collectors-----------------------------------(B) Ryotwari System

III. Land allotted to each peasant with the right to sublet, mortgage, transfer, gift or sell-(C) Mahalwari System

IV. Revenue settlements made at village level-------------------------------------------(D) Zamindari System

Codes:

(a) I-A, II-C, III-B, IV-D
(b) I-A, II-D, III-B, IV-C
(c) I-C, II-D, III-A, IV-B
(d) I-B, II-A, III-C, IV-D
3078: Physico-chemical characteristics of water in water sources undergo changes due to
(a) aquatic macrophytes
(b) aquatic fungi
(c) effluents
(d) evapotranspiration
3079: Which one of the following is in the Concurrent List in the Constitution of India?

(a) Population control and family planning

(b) Public health and sanitation

(c) Capitation taxes

(d) Treasure trove
3080: In an examination, every candidate took Physics or Mathematics or both. 65.8% took Physics and 59.2% took Mathematics. The total number of candidates was 2000. How many candidates took both Physics and Mathematics ?

(a) 750
(b) 500
(c) 250
(d) 125