science & tech MCQ section 4 MCQ Questions & Answers Detailed Explanation

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.

Answer: (b)

Baryon are sub-atomic particles. CERN scientists have recently discovered two new heavyweight subatomic particles belonging to the family of baryon

Answer: (a)

Staphefekt is a new drug that does not contain the antibiotics

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: (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: (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.