science & tech MCQ section 5 MCQ Questions & Answers Detailed Explanation

Answer: (a)

As the first man to escape Earth’s gravitation field and achieve orbit, Yuri Gagarin holds the title of first human being in space. On 12 April 1961 in his craft Vostok 1, Gagarin completed a single orbit of the Earth.

Performed at an altitude of 187 3/4 miles (302 kilometres), the orbital rotation took 108 minutes at 18,000 miles an hour. For this, he was nominated a Hero of the Soviet Union.

Answer: (d)

In December 2014, Naval Light Combat Aircraft had its first successful flight from INS Hans, a shore-based test facility.

Answer: (c)

India’s Nuclear Command Authority is chaired by the Prime Minister.

Answer: (b)

Researchers have developed Sensing Skin Technology which could serve as an early warning system for cracks in concrete structure.

Answer: (c)

On 16th August 2014, Prime Minister Narendra Modi inducted INS Kolkata, India’s largest indigenously built warship.

Answer: (b)

A. P. J. Abdul Kalam is popularly known as the Missile Man of India for his work on the development of ballistic missiles and launch vehicle technology.

As the Executive Director of the Integrated Guided Missile Development Program (IGMDP) of India, he played a major part in developing many missiles under the mission including Agni, an intermediate-range ballistic missile and Prithvi, the tactical surface-to-surface missile.