2456: In the grasslands, trees do not replace the grasses as a part of an ecological succession because of

(a) insects and fungi

(b) limited sunlight and paucity of nutrients

(c) water limits and fire

(d) None of the above
2457: Oxygen transportation in a human body takes place through

I. Blood
II. Lungs
III. Tissue

The correct sequence of transportation is

(a) I, II, III
(b) III, I, II
(c) II, I, III
(d) I, III, II
2458: Why did Md-Bin-Tughlak change his capital from Delhi to Hyderabad/Deogiri?

(a) Because he wanted to improve trade in Deccan

(b) Because he wanted to spread Islam in the Deccan

(c) Because he wanted to punish the people of Delhi

(d) Because he wanted to escape from Mongolian invasion
2459: Consider the following pairs: Vitamin Deficiency disease

1. Vitamin C : Scurvy
2. Vitamin D : Rickets
3. Vitamin E : Night blindness

Which of the pairs given above is/are correctly matched?

(a) 1 and 2 only
(b) 3 only
(c) 1, 2 and 3
(d) None
2460: Which one of the following can be prorogued but cannot be dissolved ?

(a) Rajya Sabha

(b) State Council

(c) Municipal Corporation

(d) Governing Council in a Union Territory