2341: Farm land tends to erode most rapidly when planted with
(a) sorghum
(b) potato
(c) wheat
(d) clover
2342: A man purchases two clocks A and B at a total cost of Rs. 650. He sells A with 20% profit and B at a loss of 25% and gets the same selling price for both the clocks. What are the purchasing prices of A and B respectively ?
(a) Rs. 225; Rs. 425
(b) Rs. 250; Rs. 400
(c) Rs. 275; Rs. 375
(d) Rs. 300; Rs. 350
2343: An objective of the National Food Security Mission is to increase the production of certain crops through area expansion and productivity enhancement in a sustainable manner in the identified districts of the country. What are those crops ?
(a) Rice and Wheat only
(b) Rice, Wheat and pulses only
(c) Rice, wheat, pulses and oil seeds
(d) Rice, Wheat, pulses, oil seeds and vegetables
2344: Consider the following statements in respect of India.s advanced satellite INSAT 4A :
1. INSAT 4A was launched in December, 2005 from New Mexico.
2. The European commercial launch service provider Ariane space was associated with the launch of INSAT 4A.
3. Tata Sky a digital cable service provider is associated with DTH television broadcasting services from INSAT 4A.
Which of the statements given above are correct?
(A) 1 and 3, only
(B) 1 and 2, only
(C) 1, 2 and 3
(D) 2 and 3, only
2345: Why DDT is banned in western countries?
(a) It remains in environment for a long time
(b) The insects are immunised
(c) It is a highly poisonous insecticide
(d) None of the above