1276: It takes one minute to fill 3/7 th of a vessel. What is the time taken in minutes to fill the whole of the vessel ?

(a) 4/3

(b) 3/4

(c) 7/3

(d) 3/2
1277: Who was the Speaker of the first Lok Sabha ?

(a) G. V. Mavalankar
(b) K. M. Munshi
(c) Hukam singh
(d) U. N. Dhebar
1278: Which one of the following is the best strategy for environment-friendly sustainable development in Indian agriculture?

(a) Expansion of cultivable land, increased use of superphosphate, urea and effective biocides

(b) Wider popularization of high-yielding crop varieties, better and more frequent irrigation and increased frequency of aerial sprays of inorganic fertilizers and pesticides

(c) Mixed cropping, organic manures, nitrogen-fixing plants and pest resistant crop varieties

(d) Improved farm implements and machinery, use of potent insecticides to minimise post-harvest grain losses and mono culture cropping practices
1279: The painting of Bodhisattva Padmapani is one of the most famous and oft-illustrated paintings at

(a) Ajanta
(b) Badami
(c) Bagh
(d) Ellora
1280: Man cannot digest cellulose whereas cows can do so because

(a) Their gut contains certain bacteria capable of digesting cellulose

(b) They have a many-chambered stomach

(c) They have efficient grinding molars

(d) They produce an enzyme cellulose which can digest cellulose