2526: River Luni drains into:
(a) Ganga delta
(b) Kerala coast
(c) Rann of Kutchh
(d) Godavari delta
2527: An air bubble in water will act like a
(a) convex mirror
(b) convex lens
(c) concave mirror
(d) concave lens
2528: The American multinational company, Monsanto has produced an insect-resistant cotton variety that is undergoing field- trails in India. A toxin gene from which ONE of the following bacteria has been transferred to this transgenic cotton ?
(a) Bacillus subtilis
(b) Bacillus thurigiensis
(c) Bacillus amyloliquifanciens
(d) Bacillus globlii
2529: Who among the following were associated with the birth of Swarajya Party?
(a) C. R. Das and Motilal Nehru
(b) C. R. Das and Sardar Patel
(c) Motilal Nehru and Rajendra Prasad
(d) None of the above
2530: When light enters a closed room through a small hole in the door, the image of an outside building appears as inverted on the opposite wall. This is because:
(a) The hole acts as a convex lens
(b) Light takes curvature at the edges of the hole
(c) Of rectilinear propagation of light
(d) The hole acts as a concave lens