1. 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.

1. 1, 2 and 3 only

2. 4 and 5 only

3. 1 and 2 only

4. 1, 2, 3, 4 and 5

Correct Answer :

1, 2 and 3 only