3851: 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
3852: Assertion
Comets have gaseous tails
Reason
They are very hot bodies
(a) if A and R both are correct and R is the correct explanation of A
(b) if A and R both are correct but R is not the correct explanation of A
(c) if A is correct and R is incorrect
(d) if A is incorrect and R is correct
3853: C. Rangarajan has been actively involved in the Pan-Asian Commission addressing to which one of the following issues?
(a) Impact of HIV / AIDS in the Asian region
(b) Promotion of tourism in the Asian region
(c) Promotion of free trade in the Asian region
(d) Higher technical education in the universities in the Asian region
3854: A small pouch containing silica gel is often found in bottles of medicine in tablet or powder form because silica gel
(a) kills bacteria
(b) kills germs and spores
(c) absorbs moisture
(d) absorbs all gases present inside the bottle
3855: Which of the following pairs is/are correctly matched?
1. Francis Collins : Mapping human genome
2. Sergey Brin : Google Search Engine
3. Jimmy Wales : Wikipedia
(a) 1 and 2 only
(b) 3 only
(c) 2 and 3 only
(d) 1, 2 and 3