56: Dehydration in the human body results due to loss of:

(a) Salts

(b) Water

(c) Vitamins

(d) Hormones
57: A pesticide which is a chlorinated hydrocarbon is sprayed on a food crop. The food chain is: Food crop - Rat - Snake - Hawk. In this food chain, the highest concentration of the pesticide would accumulate in which one of the following?

(a) Hawk
(b) Food crop
(c) Snake
(d) Rat
58: There are 20 students with an average height of 105 cms in a class. Then 10 students with an average height of 120 cms join the class. What will be the average height of the class now?

(a) 100 cms

(b) 110 cms

(c) 120 cms

(d) 130 cms
59: Match List I with List II and select the correct answer using the codes given below the Lists :

List I (Term)
I. Fiscal deficit
II. Budget deficit
III. Revenue deficit
IV. Primary deficit

List II (Explanation)
(A) Excess of Total Expenditure over Total Receipts
(B) Excess of Revenue Expenditure over Revenue Receipts
(C) Excess of Total Expenditure over Total Receipts less borrowings
(D) Excess of Total Expenditure over Total Receipts less borrowings and Interest Payments

Codes:
(a) I-C, II-A, III-B, IV-D
(b) I-D, II-C, III-B, IV-A
(c) I-A, II-C, III-B, IV-D
(d) I-C, II-A, III-D, IV-B
60: The First Buddhist Council met at

(a) Rajagriha

(b) Pataliputra

(c) Jalandhara

(d) Kashmir