416: "Mrichchhakatika" an ancient Indian book written by Shudraka deals with
(a) The love affair of a rich merchant with the daughter of a courtesan
(b) The victory of Chandragupta II over the Shaka Kshat-rapas of western India
(c) The military expeditions and exploits of Samudragupta
(d) The love affair between a Gupta King and a princess of Kamarupa
417: With reference to ionic compounds, consider the following statements:
1. Ionic compounds are insoluble in alcohol.
2. Ionic compounds in the solid state are good conductors of electricity.
Which of these statements is/are correct?
(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2
418: Galvanising of sheet iron is done by dipping the sheet metal into molten
(a) Mercury
(b) Cadmium
(c) Lead
(d) Zinc
419: In which of the following shapes can a 1 kg plastic sheet be moulded so as to have minimum surface area?
(a) Cylindrical
(b) Spherical
(c) Conical
(d) Cubical
420: Assertion (A):
During the year 2001 - 02, the value of India's total exports declined, registering a negative growth of 2.17%.
Reason (R):
During the year 2001 - 02, negative growth in exports was witnessed in respect of iron and steel, coffee, textiles and marine products.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is NOT the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true