Q. In many of its satellite launches, the Indian Space Research Organisation (ISRO) sends "sounding rockets" to space due to some of their inherent advantages. Consider the following statements with this reference:

1. Sounding rockets are relatively cheap and fast way of research in upper atmospheric region
2. They can be used to test or prove prototypes of new components or subsystems intended for use in launch vehicles and satellites.
3. Rohini is a series of sounding rockets developed by ISRO

Which of the above is / are correct statements?
Answer: 1, 2 & 3
Notes: Sounding rockets are relatively cheap and can be used for experiments. India has Rohini series of sounding rockets. Each rocket is named as RH and some numeral which indicates its diameter in mm - for example RH-100 and so on. Kindly note that as of now ISRO has sent only maximum 200 mm diameter sounding rocket with RH-200. India’s first indigenous sounding rocket, RH-75, was launched on November 20, 1967.

This question is part of UPSC Daily 20 MCQ Series Course on GKToday Android app.