496: What is the system of governance in the Panchayati Raj setup ?

(a) Single-tier structure of local self-government at the village level
(b) Two-tier system of local self-government at the village and block levels
(c) Three-tier structure of local self-government, at the village, block and district levels
(d) Four-tier system of local self-government at the village, block, district and state levels
497: Assertion (A):
The Battle of Khanua was certainly more decisive and significant than the First Battle of Panipat.

Reason (R):
Rana Sanga, the Rajput hero, was certainly a more formidable adversary than Ibrahim Lodi.

(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 fasle, but R is true
498: Where is Bundala Bioshpere Reserve which has been recently added to the UNESCO's Man and Biosphere (MAB) network, located?

(a) Russia
(b) Bangladesh
(c) India
(d) Sri Lanka
499: The colour of a star is an indication of its

(a) distance from the sun

(b) luminosity

(c) distance from the earth

(d) temperature
500: For the measurement/estimation of which of the following are satellite images/remote sensing data used?

1. Chlorophyll content in the vegetation of a specific location
2. Greenhouse gas emissions from rice paddies of a specific location
3. Land surface temperatures of a specific location

Select the correct answer using the code given below.

(a) 1 Only

(b) 2 and 3 only

(c) 3 only

(d) 1, 2 and 3