science & tech MCQ section 1 MCQ Questions & Answers Detailed Explanation

Answer: (a)

Aryabhata was India’s first satellite, named after the great Indian astronomer of the same name. It was launched by the Soviet Union on 19 April 1975 from Kapustin Yar using a Cosmos-3M launch vehicle.

Answer: (d)

Recently, Canister-based Agni-V missile was launched which provided operational flexibility to the missile.

Answer: (a)

Non-conventional energy, also known as renewable energy, refers to the energy that is collected from renewable resources, which are naturally replenished on a human timescale, such as sunlight, wind, rain, tides, waves, and geothermal heat.

Non-conventional energy sources are infinite, natural, and restorable. Natural gas is a conventional source of energy.

Answer: (b)

The most common chemicals used for cloud seeding or artificial rain include silver iodide and dry ice (solid carbon dioxide), sodium chloride, liquid propane.

Answer: (c)

Ceres is between Mars and Jupiter. NASA’s Dawn probe has completed its orbit around Ceres and has become first spacecraft to reach there.

Answer: (b)

The Union Cabinet has established of a National Centre for Molecular Materials (NCMM) at Thiruvananthapuram in Kerala as an autonomous institute of the Government of India (GOI) under the Department of Science & Technology (DST) at a total cost of ` 76.7 crore for five years with an outlay of ` 14.55 crore for the Eleventh Plan Period.