Prelims Test Evening Batch 21 Oct 2026

Q1.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

Q2.With reference to the Reusable Launch Vehicle (RLV), consider the following statements:
I. Its objective is to reduce space-launch costs by reusing certain parts of a launch vehicle.
2. ISRO’s RLV-TD was tested to demonstrate autonomous landing technology.
Which of the statements given above is/are correct?

Q3. With reference to the Gaganyaan Mission, consider the following statements:
I. Its objective is to send Indian astronauts into Low Earth Orbit (LEO) using a human-rated launch vehicle.
2. The mission does not require a crew escape system to ensure the safety of astronauts.
Which of the statements given above is/are correct?

Q4. Consider the following statements regarding a Cryogenic Rocket Engine:
1. It uses Liquid Hydrogen as the fuel and Liquid Oxygen as the oxidizer.
2. The fuels in this engine are stored at extremely low (sub-zero) temperatures.
3. A cryogenic engine is typically used in the very first stage (booster stage) of a rocket launch.

Which of the statements given above is/are correct?

Q5. Consider the following space missions:

1.Axiom-4

2.SpaDeX

3. Gaganyaan

How many of the space missions given above encourage and support micro-gravity research?

Q6. .What is the primary function of the International Space Station (ISS)?

Q7. Which type of orbit allows a satellite to pass over a section of the Earth at the same time of day?

Q8.Which of the following is the primary objective of the ‘NASA-ISRO Synthetic Aperture Radar’ (NISAR) mission?

Options:

Q9. With reference to India’s satellite launch vehicles, consider the following statements:
1. PSLVs launch the satellites useful for Earth resources monitoring whereas GSLVs are designed mainly to launch communication satellites.

2. Satellites launched by PSLV appear to remain permanently fixed in the same position in the sky, as viewed from a particular location on Earth.

3. GSLV Mk Ill is a four-stage launch vehicle with the first and third stages using solid rocket motors, and the second and fourth stages using liquid rocket engines.

Which of the statements given above is/are correct?

Q10.Which one of the following countries has its own Satellite Navigation System?