3211: What was the important reason for the fall of Vijayanagar Empire?

(a) Unity among the Muslim rulers

(b) Internal instability and weakness of Princes

(c) Moplah's rebellion

(d) Economic bankruptcy
3212: Which one of the following is a fast growing tree?

(a) Teak

(b) Eucalyptus

(c) Banyan

(d) Coconut
3213: The most important fishing grounds of the world are found in the regions where

(a) warm and cold atmospheric currents meet

(b) rivers drain out large amounts of fresh water into the sea

(c) warm and cold oceanic currents meet

(d) continental shelf is undulating
3214: Which one of the following east flowing rivers of India has rift valley due to down warping ?

(a) Damodar
(b) Mahanadi
(c) Sone
(d) Yamuna
3215: In Mughal paintings one notices the adoption of principle of foreshortening whereby near and distant people and things could be placed in perspective. This was due to the influence of the

(a) British

(b) Dutch

(c) Portuguese

(d) Danish