976: Match List I (Drugs / Chemicals) with List II (Their uses) and select the correct answer using the codes given below the Lists :

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

I. Atropine---------(A) Local anaesthesia

II. Ether------------(B) Heart trouble

III. Nitroglycerine---(C) Dilation of pupil

IV. Pyrethrin--------(D) Mosquito control

Codes:

(a) I-A, II-C, III-B, IV-D
(b) I-A, II-C, III-D, IV-B
(c) I-C, II-A, III-D, IV-B
(d) I-C, II-A, III-B, IV-D
977: Which one of the following pairs of states and tribes is not correctly matched?

(a) Assam : Miri
(b) Nagaland : Konyak
(c) Aranachal Pradesh : Apatani
(d) Madhya Pradesh : Lambada
978: The Modi script was employed in the documents of the

(a) Wodeyars

(b) Zamorins

(c) Hoysalas

(d) Marathas
979: What would happen if phytoplankton of an ocean is completely destroyed for some reason?

1. The ocean as a carbon sink would be adversely affected.

2. The food chains in the ocean would be adversely affected.

3. The density of ocean water would drastically decrease.

Select the correct answer using the codes given below :

(a) 1 and 2 only
(b) 2 only
(c) 3 only
(d) 1, 2 and 3
980: A person has 4 coins each of different denomination. What is the number of different sums of money the person can form (using one or more coins at a time)?

(A) 15
(B) 16
(C) 10
(D) 12