2676: 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
2677: With reference to Indian history, who among the following is a future Buddha, yet to come to save the world?
(a) Avalokiteshvara
(b) Lokesvara
(c) Maitreya
(d) Padmapani
2678: Cryogenic engines find applications in
(a) sub-marine propulsion
(b) frost-free refrigerators
(c) rocket technology
(d) researches in superconductivity
2679: Sugarcane crop matures in about:
(a) 2 months
(b) 4 months
(c) 8 months
(d) 12 months
2680: Six persons A, B, C, D, E and F are standing in a row. C and D are standing close to each other alongside E. B is standing beside A only. A is fourth from F. Who are standing on the extremes?
(A) A and F
(B) B and F
(C) B and D
(D) None of the above