901: 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
902: Which one of the following events, was characterised by Montague as Preventive Murder ?
(a) Killing of INA activists
(b) Massacre of Jallianwalla Bagh
(c) Shooting of the Mahatma
(d) Shooting of Curzon-Wythe
903: Consider the following statements about the Roaring Forties
I. They blow uninterrupted in the Northern and Southern Hemispheres.
II. They blow with great strength and constancy.
III. Their direction is generally from North-West to East in the Southern Hemisphere.
IV. Overcast skies, rain and raw weather are generally associated with them.
Which of these statements are correct ?
(a) I, II and III
(b) II, III and IV
(c) I, III and IV
(d) I, II and IV
904: The Sultan of Delhi who is reputed to have built the biggest network of canals in India was
(a) Iltutmish
(b) Ghiyasuddin Tughlaq
(c) Feroz Shah Tughlaq
(d) Sikandar Lodi
905: Which feature of some, species of blue-green algae helps promote them as bio-fertilizers?
(a) They convert atmospheric methane into ammonia which the crop plants can absorb readily
(b) The induce the crop plants to produce the enzymes which help convert atmospheric nitrogen to nitrates
(c) They have the mechanism to convert atmospheric nitrogen into a form that crop can absorb readily
(d) The induce the roots of the crop plants to absorb the soil nitrates in larger quantities