2121: Which one of the following statements is not correct?
(a) Gulfs with narrow fronts and wider rears experience high tides.
(b) Tidal currents take place when a gulf is connected with the open sea by a narrow channel.
(c) Tidal bore occurs when a tide enters the narrow and shallow estuary of a river.
(d) The tidal nature of the mouth of the river Hooghly is of crucial importance to Kolkata as port.
2122: Why is a plant called Prosopis juliflora often mentioned in news ?
(a) Its extract is widely used in cosmetics.
(b) It tends to reduce the biodiversity in the area in which it grows.
(c) Its extract is used in the synthesis of pesticides.
(d) None of the above
2123: 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
2124: Which of the following is/are included in the Directive Principles of State Policy?
1. Prohibition of traffic in human beings and forced labour
2. Prohibition of consumption except for medicinal purposes of intoxicating drinks and of other drugs which are injurious to health.
Select the correct answer using the code given below
(a) 1 only
(b) 2 only
(c) Both 1 and 2 only
(d) Neither 1 nor 2
2125: The Constitution of India provides for the nomination of two members to the Lok Sabha by the President to represent:
(a) Men of eminence in arts, letters, science, etc.
(b) Parsis
(c) The business community
(d) The Anglo-Indian community