Science and Technology Practice MCQs for Competitive Exams

1.

In AI-based climate modeling, what does the term 'Downscaling' refer to?

A Reducing the number of variables in a model

B Deriving high-resolution local climate information from low-resolution global models

C Decreasing the frequency of weather updates

D Using older computers for calculations

2.

Which Indian government body is leading the integration of AI and Machine Learning into monsoon forecasting under the 'National Monsoon Mission'?

A Ministry of Earth Sciences (MoES)

B Ministry of Information Technology

C NITI Aayog

D Indian Space Research Organisation (ISRO)

3.

What is the primary advantage of AI-driven climate models over traditional Numerical Weather Prediction (NWP) models?

A They require no historical data

B Faster computational speed and ability to process non-linear patterns

C They only work for local short-term forecasts

D They eliminate the need for satellites

4.

Which launch vehicle is designated to carry the Gaganyaan crew module into orbit?

A PSLV-C58

B GSLV Mk II

C LVM3

D SSLV-D2

5.

What is the propellant combination used in the CE-20 cryogenic engine developed by ISRO?

A Liquid Oxygen (LOX) and Liquid Hydrogen (LH2)

B Liquid Oxygen and Kerosene

C Nitrogen Tetroxide and UDMH

D Solid Propellant and Liquid Oxygen

6.

Which cryogenic engine was recently human-rated by ISRO for the Gaganyaan mission after successful ground qualification tests?

A CE-7.5

B CE-20

C Vikas Engine

D Kerolox Engine

Science & Technology MCQs - 2026-04-20