576: 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
577: Consider the following international languages :
1. Arabic
2. French
3. Spanish
The correct sequence of the languages given above in the decreasing order of the number of their speakers is :
(a) 3-1-2
(b) 1-3-2
(c) 3-2-1
(d) 1-2-3
578: In an atom, the order of filling up of the orbitals is governed by
(a) Aufbau principle
(b) Heisenberg's uncertainty principle
(c) Hund's rule
(d) Pauli's exclusion principle
579: In India people suffer from Anaemia due to lack of:
(a) Iron
(b) Iodine
(c) Calcium
(d) Potassium
580: There are more anti-bacterial drugs than anti-viral drugs because
(a) Bacterial diseases are intra-cellular.
(b) Viral diseases are intra-cellular.
(c) Virus are smaller than bacteria.
(d) Drugs can penetrate bacteria more effectively