246: To check the expansion of Thar desert which of the following measures should be used?

(a) Construction of dams

(b) Afforestation

(c) Construction of canals

(d) Artificial rain
247: A person walking barefooted in a field feels a sharp sting and on examination two puncture marks are found on his leg. He is most probably bitten by:

(a) Poisonous snake

(b) Non-poisonous snake

(c) Scorpion

(d) Rat
248: In which of the following activities are Indian Remote Sensing (IRS) satellites used?

1. Assessment of crop productivity
2. Locating groundwater resources
3. Mineral exploration
4. Telecommunications
5. Traffic studies

Select the correct answer using the code given below.
(a) 1, 2 and 3 only
(b) 4 and 5 only
(c) 1 and 2 only
(d) 1, 2, 3, 4 and 5
249: Consider the following statements:

1. There are no east flowing rivers in Kerala.

2. There are no west flowing rivers in Madhya Pradesh.

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
250: At which place Gautama Buddha delivered his first sermon?

(a) Sarnath

(b) Lumbini

(c) Bodh Gaya

(d) Vaishali