4506: Consider the following Bhakti Saints :
1. Dadu Dayal
2. Guru Nanak
3. Tyagaraja
Who among the above was/were preaching when the Lodi dynasty fell and Babur took over?
(a) 2 only
(b) 1 and 3
(c) 2 and 3
(d) 1 and 2
4507: Consider the following pairs: Region often Country in news
1. Chechnya : Russian Federation
2. Darfur : Mali
3. Swat Valley : Iraq
Which of the above pairs is / are correctly matched ?
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
4508: Consider the following statements:
1. The Barren Island volcano is an active volcano located in the Indian territory.
2. Barren Island lies about 140 km east of Great Nicobar.
3. The last time the Barren Island volcano erupted was in 1991 and it has remained inactive since then.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 and 3
(c) 3 only
(d) 1 and 3
4509: The approximate age of the Aravallis range is
(a) 370 million years
(b) 470 million years
(c) 570 million years
(d) 670 million years
4510: The increasing amount of carbon dioxide in the air is slowly raising the temperature of the atmosphere, because it absorbs
(a) the water vapour of the air and retains its heat
(b) the ultraviolet part of the solar radiation
(c) all the solar radiations
(d) the infrared part of the solar radiation