1831: With reference to micro-irrigation, which of the following statements is/are correct ?

1. Fertilizer/nutrient loss can be reduced.

2. It is the only means of irrigation in dry land farming.

3. In some areas of farming, receding of ground water table can be checked.

Select the correct answer using the codes given below:

(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
1832: The major chemical compound found in human kidney stones is

(a) Uric acid
(b) Calcium carbonate
(c) Calcium oxalate
(d) Calcium sulphate
1833: In India, how many States share the coastline?

(a) 9

(b) 10

(c) 7

(d) 8
1834: The founder of Boys Scouts and Girl Guides Movement in India was

(a) Charles Andrews

(b) Robert Montgomery

(c) Richard Temple

(d) Baden Powel
1835: The given map shows four towns of Central Asian region marked as 1, 2, 3, and 4. Identify these from the following list and select the correct answer using the codes given below :

Towns:
A. Bishkek
B. Ashkhabad
C. Tashkent
D. Dushanbe

Codes :

(a) A-3, B-1, C-3, D-4
(b) A-3, B-1, C-4, D-2
(c) A-1, B-3, C-2, D-4
(d) A-1, B-3, C-4, D-2