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

Answer: (a)

The Magellan spacecraft, also referred to as the Venus Radar Mapper, was a 1,035-kilogram (2,280 lb) robotic space probe launched by NASA on May 4, 1989, to map the surface of Venus using Synthetic Aperture Radar and measure the planetary gravity.

It was the first interplanetary mission to be launched from the Space Shuttle, the first to use an inertial upper stage booster and was the first spacecraft to test aerobraking as a method for circularizing an orbit. Magellan was the fourth successful, NASA funded mission to Venus and ended an eleven year U.S. interplanetary exploration hiatus.

Answer: (a)

Adnan Z. Amin was elected as the Director General of the International Renewable Energy Agency (IRENA) in April 2011. Helene Pelosse was the earlier Directorate General of IRENA. She served in this position for 15 months, from June 30, 2009 until October 21, 2010.

Answer: (c)

At present, for 900 MHz, permissible Power Density is 4.5 Watt per Square meter, whereas for 1800 MHz permissible Power Density is 9 Watt per Square meter.

Answer: (c)

Visakhapatnam Urban Development Authority (VUDA), in collaboration with Indian Navy’s Eastern Naval Command, has set up India’s first ship museum in the port city. The ship museum has been set up at Teneti Park abutting the Rama Krishna beach on the lines of 'INS Kursura submarine museum' that was set up by the Indian Navy in August 2002.

Answer: (b)

Long Range Surface-to-Air Missile (LRSAM) LRSAM is also called Barak 8 missile in Israel which in Hebrew language means Lightning.

Answer: (c)

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