2171: Which one of the following layers of the atmosphere is responsible for the deflection of radio waves ?
(a) Troposphere
(b) Stratosphere
(c) Mesosphere
(d) Ionosphere
2172: What is basic to religion ?
(a) Idol worship
(b) Belief in the supernatural element
(c) Priesthood
(d) Life after death
2173: Mach Number is a term associated with the speed of:
(a) Ships
(b) Cars
(c) Aeroplanes
(d) Light
2174: The fundamental objective of Panchayati Raj system is to ensure which among the following?
1. People's participation in development
2. Political accountability
3. Democratic decentralization
4. Financial mobilization
Select the correct answer using the code given below.
(a) 1, 2 and 3 only
(b) 2 and 4 only
(c) 1 and 3 only
(d) 1, 2, 3 and 4
2175: ISRO successfully conducted a rocket test using cryogenic engines in the year 2007. Where is the test-stand used for the purpose, located ?
(a) Mahendragiri
(b) thiruvananthapuram
(c) Balasore
(d) Karwar