746: The Buddhist sect Mahayana formally came into existence during the reign of

(a) Ajatashatru

(b) Ashoka

(c) Dharmapala

(d) Kanishka
747: Consider the following statements :

Hard water is not suitable for

I. drinking.
II. washing cloths with soap.
III. use in boilers.
IV. irrigating crops.

Which of these statements are correct ?

(a) I and III

(b) II and III

(c) I, II and IV

(d) I, II, III and IV
748: Which is the correct chronological sequence of the major events given below?

1. SLV-3 Launch
2. Formation of Bangladesh
3. Sikim becomes 22nd State of the Indian Union
4. Pokharan-I test.

Select the correct answer using the code given below :

(a) 2, 4, 3, 1
(b) 3, 1, 2, 4
(c) 2, 1, 3, 4
(d) 3, 4, 2, 1
749: Mon 863 is a variety of maize. It was in the news for the following reason

(a) It is a genetically modified variety which is pest resistant

(b) It is a genetically modified dwarf variety which is resistant to drought

(c) It is a genetically modified variety with ten times higher protein content than regular maize crop

(d) It is a genetically modified variety used exclusively for bio-fuel production
750: Which one of the following is the correct chronological order of the battles fought in India in the 18th century?

(a) Battle of Wandiwash-Battle of Buzar-Battle of Ambur-Battle of Plassey

(b) Battle of Ambur-Battle of Plassey- Battle of Wandiwash-Battle of Buxar

(c) Battle of Wandiwash-Battle of Plassey-Battle of Ambur-Battle of Buxar

(d) Battle of Ambur-Battle of Buxar- Battle of Wandiwash-Battle of Plassey