191: Earliest Indian coins belonged to which period?
(a) 5th century B.C.
(b) Ashoka's reign.
(c) 1st century A.D.
(d) 3rd century A.D.
192: 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
193: The "Servants of India Society" was founded by:
(a) Annie Besant
(b) Gopalakrishna Gokhale
(c) Bal Gangadhar Tilak
(d) Dadabhai Naoroji
194: Centre-State financial relations are looked after by the:
(a) Finance Commission
(b) Sarkaria Commission
(c) Ministry of Finance
(d) Planning Commission
195: In below set of figures (I) to (IV), some parts are shown to change their position in a regular direction. Following the same sequence, which one of the following will appear at the fifth stage?