4291: Satellites used for telecommunication relay are kept in a geostationary orbit. A satellite is said to be in such an orbit when:

1. The orbit is geosynchronous.

2. The orbit is circular.

3. The orbit lies in the plane of the Earth's equator.

4. The orbit is at an altitude of 22,236 km.

Select the correct answer using the codes given below:

(a) 1, 2 and 3 only
(b) 1, 3 and 4 only
(c) 2 and 4 Only
(d) 1, 2, 3 and 4
4292: Consider the following pairs:

Wildlife:
1. Blue-finned Mahseer
2. Irrawaddy Dolphin
3. Rusty-spotted Cat

Naturally found in
1. Cauvery River
2. Chambal River
3. Eastern Ghats

Which of the pairs given correctly matched?

(a) 1 and 2 only

(b) 2 and 3 only

(c) 1 and 3 only

(d) 1, 2 and 3
4293: 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
4294: Consider the following:

The Cripps Proposals include the provision for

1. Full independence for India.

2. Creation of Constitution-making body.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 & 2
(d) Neither 1 nor 2
4295: Which one of the following is a Vedanga?

(a) Sruti

(b) Smriti

(c) Nirukta

(d) Samhita