566: In the year 2001, the Prime Minister announced a five-year excise duty holiday for industries in

(a) cyclone prone coastal Andhra Pradesh
(b) border states of North-East
(c) earthquake ravaged Kutch district
(d) recently formed states of Chhattisgarh and Jharkhand
567: The maturity of a river course is recognised by the presence of

(a) V-shaped valley

(b) Meanders

(c) Gorges

(d) High denudational power
568: Human activities in the recent past have caused the increased concentration of carbon dioxide in the atmosphere, but a lot of it does not remain in the lower atmosphere because of

1. Its escape into the outer strato-sphere.

2. The photosynthesis by phyto-plankton in the oceans.

3. The trapping of air in the polar ice caps

Which of the statements given above is/are correct?

(a) 1 and 2
(b) 2 only
(c) 2 and 3 only
(d) 3 only
569: Pyrilla is a

(a) Disease of teeth and gums

(b) An insect pest

(c) A character of ancient Greek mythology

(d) A building heated by solar energy
570: The ideal of 'Welfare State' in the Indian Constitution is enshrined in its

(a) Preamble
(b) Directive Principles of State Policy
(c) Fundamental Rights
(d) Seventh Schedule