4071: Which of the following rivers has a bird's foot delta?
(a) The Amazon
(b) The Brahmaputra
(c) The Mississippi
(d) The Nile
4072: If a commodity is provided free to the public by the Government, then
(a) the opportunity cost is zero.
(b) the opportunity cost is ignored.
(c) the opportunity cost is transferred from the consumers of the product to the tax-paying public.
(d) the opportunity cost is transferred from the consumers of the product to the Government.
4073: Among the following, which one is not a football club?
(A) Arsenal
(B) Aston Villa
(C) Chelsea
(D) Monte Carlo
4074: With reference to bio-toilets used by the Indian Railways, consider the following statements:
1.The decomposition of human waste in the bio-toilets is initiated by a fungal inoculum.
2. Ammonia and water vapour are the only end products in this decomposition which are released into the atmosphere.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
4075: With reference to the circumstances in Indian agriculture, the concept of "Conservation Agriculture" assumes significance. Which of the following fall under the Conservation Agriculture?
1. Avoiding the monoculture practices
2. Adopting minimum tillage
3. Avoiding the cultivation of plantation crops
4. Using crop residues to cover soil surface
5. Adopting spatial and temporal crop sequencing/crop rotations
Select the correct answer using the code given below:
(a) 1, 3 and 4
(b) 2, 3, 4 and 5
(c) 2, 4 and 5
(d) 1, 2, 3 and 5