science & tech MCQ section 4 Practice Questions Answers Test with Solutions & More Shortcuts

Answer: (c)

In telecommunication, a transponder is one of two types of devices. In air navigation or radio frequency identification, a transponder is a device that emits an identifying signal in response to an interrogating received signal.

In a communications satellite, a transponder gathers signals over a range of uplink frequencies and re-transmits them on a different set of downlink frequencies to receivers on Earth, often without changing the content of the received signal or signals.

The term is a portmanteau for Transmitter-responder.

Answer: (c)

The first high-resolution 3D digital model of the human brain, which is called “Big Brain” has been published in the journal Science.

Answer: (d)

Koodankulam Nuclear Power Plant is a nuclear power station under construction in Koodankulam in the Tirunelveli district of Tamil Nadu. Russia is assisting India in the establishment of this plant.

An Inter-Governmental Agreement on the project was signed in November 1988 by then Prime Minister Rajiv Gandhi and Soviet President Mikhail Gorbachev, for the construction of two reactors

Answer: (d)

The Supreme Court has rejected the Bayer’s appeal to cancel Compulsory License granted by the Indian government to Natco Pharmaceuticals to produce a generic medicine of Nexavar.

Answer: (b)

The Sarasis the first Indian multi-purpose civilian aircraft in the light transport aircraft category that has been developed in India. It was designed and developed by the National Aerospace Laboratories (NAL). The Saras made its maiden flight at the HAL airport in Bangalore on 29 May 2004.