3966: With reference to 'Astrosat', the astronomical observatory launched by India, which of the following statements is/are correct?

1. Other than USA and Russia, India is the only country to have launched a similar observatory into space.
2. Astrosat is a 2000 kg satellite placed in an orbit at 1650 km above the surface of the Earth.

Select the correct answer using the code given below.

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
3967: Which of the following statements is correct for Guru Nanak?

(a) He preached punishment for wicked

(b) He preached against Muslims

(c) He preached a war society

(d) He preached that 'God is one'
3968: Consider the following animals of India:

1. Crocodile
2. Elephant

Which of these is/are endangered species?

(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2
3969: Consider the following crops of India :

1. Cowpea

2. Green gram

3. Pigeon pea

Which of the above is/are used as pulse, fodder and green manure?

(a) 1 and 2 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2 and 3
3970: Assertion (A) :

The emphasis of Jainism on non-violence (ahimsa) prevented agriculturalists from embracing Jainism.

Reason (R) :

Cultivation involved killing of insects and pests.

(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are true, but R is not a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true