2701: A hemispherical bowl is filled to the brim with a beverage. The contents of a bowl are transferred into a cylindrical vessel whose radius is 50% more than its height. If the diameter is same for both bowl and cylinder, then the volume of the beverage in the, cylindrical vessel will be

(a) 66(2/3)%
(b) 78½%
(c) 100%
(d) more than 100% (that is, some liquid will still be left in the bowl)
2702: Which of the following features of DNA makes in uniquely suited to store and transmit genetic information from generation to generation ?

(a) Complementarity of the two stands
(b) Double helix
(c) Number of base-pairs per turn
(d) Sugar-phosphate backbone
2703: Dehydration in the human body results due to loss of:

(a) Salts

(b) Water

(c) Vitamins

(d) Hormones
2704: The common ore of aluminium is:

(a) Bauxite

(b) Chromite

(c) Cryolite

(d) Monazite
2705: Consider the following events :

I. Reign of Krishnadevaraya of Vijayanagara.

II. Construction of Qutab Minar.

III. Arrival of Portuguese in India.

IV. Death of Firoz Tughlaq.

(a) II, IV, III, I
(b) II, IV, I, III
(c) IV, II, I, III
(d) IV, II, III, I