1686: Consider the following statements in respect of a jet engine and a rocket:


1. A jet engine uses the surrounding air for its oxygen supply and so is unsuitable for motion in space.

2. A rocket carries its own supply of oxygen in the gas form, and fuel.

Which of the statements given above is/are correct ?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
1687: Write in chronological order"

(i) Man's landing on moon.

(ii) Discovery of radio activity.

(iii) First nuclear explosion.

(iv) Launching of first satellite by India.

(a) (iii), (ii), (iv), (i)

(b) (i), (ii), (iii), (iv)

(c) (iii), (i), (iv), (ii)

(d) (ii), (iii), (i), (iv)
1688: What is/are common to the two historical places known as Ajanta and Mahabalipuram?

1. Both were built in the same period.
2. Both belong to the same religious denomination.
3. Both have rock-cut monuments.

Select the correct answer using the code given below.

(a) 1 and 2 only
(b) 3 only
(c) 1 and 3 only
(d) None of the statements given above is correct
1689: In the context of India, which of the following principles is / are implied institutionally in the parliamentary government?

1. Member of the Cabinet are Members of the Parliament.

2. Ministers hold the office till they enjoy confidence in the Parliament.

3. Cabinet is headed by the Head of the State.

Select the correct answer using the codes given below.

(a) 1 and 2 only
(b) 2 and 3 only
(c) 3 only
(d) 1, 2 and 3
1690: Which one of the following temples figured in the news regarding the institution of the Devadasis ?

(a) Jagannath temple, Puri

(b) Pasupatinath temple, Kathmandu

(c) Kandariyamahadev temple, Khajuraho

(d) Chaunsathyogini temple, Bheraghat