211: Why the Indian farmers plough their fields during the time interval between two crops?
(a) In order to keep the soil loose for further cultivation
(b) To increase the porosity of the soil
(c) To escape drought
(d) To prevent clodding
212: Match List I (Power generation plant) with List II (Feed material) and select the correct answer using the codes given below the Lists:
List I------------------------------------------------List II
I. M/s Gowthami Solvents Oil Limited, Andhra Pradesh--(A) Rice husk
II. M/s KM. Sugar Mills, Uttar Pradesh-----------------(B) Slaughter house waste
III. M/s Satia Paper Mills, Punjab----------------------(C) Distillery spent wash
IV. M/s Al Kabeer Exports Limited, Andhra Pradesh------(D) Black liquor
Codes:
(a) I-C, II-A, III-B, IV-D
(b) I-C, II-A, III-D, IV-B
(c) I-A, II-C, III-D, IV-B
(d) I-A, II-C, III-B, IV-D
213: Consider the following statements :
An amendment of the Constitution of India can be initiated by the
I. Lok Sabha.
II. Rajya Sabha.
III. State Legislatures.
IV. President.
Which of the above statements is/are correct ?
(a) I alone
(b) I, II and III
(c) II, III and IV
(d) I and II
214: In an objective test there are 60 questions. Each question carries four alternative answers only one of which is correct. Suppose A and B are two candidates both of whom know correct answers to 30 questions. A answers only 30 questions while B answers all 60 questions choosing answers at random for those he does not know the answers of. If each question carries a mark of 1 and no negative marks are awarded, the marks obtained by B are expected to be larger than those obtained by A by
(a) 0
(b) 15
(c) 5
(d) 7.5
215: Those who give birth to young-ones are called viviparous. Some fishes lay eggs. Therefore:
(a) Some fishes do not lay eggs
(b) Some frogs are fishes
(c) Some frogs do not lay eggs
(d) Some fishes are viviparous