science & tech MCQ section 3 MCQ Questions & Answers Detailed Explanation

Answer: (c)

Yuri Alekseyevich Gagarin was a Soviet pilot and cosmonaut. He was the first human to journey into outer space and the first to orbit the earth, when his Vostok spacecraft completed an orbit of the Earth on 12 April, 1961. Vostok 1 marked his only spaceflight, but he served as backup crew to the Soyuz 1 mission (which ended in a fatal crash).

Answer: (d)

Airborne Early Warning and Control System is an airborne radon system designed to detect aircraft at long ranges. AEWACS-Phalcon was inducted in the Indian Air Force in 2009.

Answer: (a)

Tarapur Atomic Power Station (TAPS), located in Tarapur in Maharashtra, was initially constructed with two boiling water reactor (BWR) units of 210 MWe each initially by Bechtel and GE under the 1963 123 Agreement between India, the United States, and the International Atomic Energy Agency.

Answer: (c)

VELOX-1 is a Singaporean satellite. ISRO’s PSLV C23 was launched on 30 June 2014 from Satish Dhawan Space Centre at Sriharikota in Andhra Pradesh at 9.52 am.

The PSLV C23 carried five satellites belonging to four countries namely France, Germany, Canada and Singapore. All these five satellites were launched under commercial arrangements that ANTRIX (ISRO’s commercial arm) has entered with the respective foreign agencies.

Answer: (b)

The theme for 103rd Indian Science Congress was ‘Science and Technology for Indigenous Development in India’.

Answer: (d)

The Agni missile is a family of medium to intercontinental range ballistic missiles developed by India, named after one of the five elements of nature. In the Agni series of ballistic missiles, Agni II, Agni III and Agni IV are Intermediate Range Ballistic Missiles (IRBMs). These are all nuclear capable missiles.