346: Alpha-keratin is a protein present in

(a) blood
(b) skin
(c) wool
(d) eggs
347: Assertion (A) :
60° - 65° latitudes in both the hemispheres have a low pressure belt instead of high pressure.

Reason (R) :
The low pressure areas are permanent over oceans rather than on land.

(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 false but R is true
348: What can be the impact of excessive / inappropriate use of nitrogenous fertilizers in agriculture?

1. Proliferation of nitrogen-fixing microorganisms in soil can occur.
2. Increase in the acidity of soil can take place.
3. Leaching of nitrate to the ground-water can occur.

Select the correct answer using the code given below.
(a) 1 and 3 only
(b) 2 only
(c) 2 and 3 only
(d) 1, 2 and 3
349: Match List I (Power generation plant) with List II (Feed material) and select the correct answer using the codes given below the Lists:

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

I. M/s Gowthami Solvents Oil Limited, Andhra Pradesh--(A) Rice husk

II. M/s KM. Sugar Mills, Uttar Pradesh-----------------(B) Slaughter house waste

III. M/s Satia Paper Mills, Punjab----------------------(C) Distillery spent wash

IV. M/s Al Kabeer Exports Limited, Andhra Pradesh------(D) Black liquor

Codes:

(a) I-C, II-A, III-B, IV-D
(b) I-C, II-A, III-D, IV-B
(c) I-A, II-C, III-D, IV-B
(d) I-A, II-C, III-B, IV-D
350: Which one among the following has the maximum number of National Parks?

(a) Assam

(b) Meghalaya

(c) Andaman and Nicobar Islands

(d) Arunachal Pradesh