science & tech MCQ section 1 MCQ Questions & Answers Detailed Explanation

Answer: (b)

Tech Mahindra launched ‘Tap N Pay’ contactless digital payment wallet MoboMoney for the Indian masses.

Answer: (c)

Barak is an Israeli surface-to-air missile (SAM) designed to be used as a ship-borne point-defence missile system against aircraft, anti-ship missiles, and UAVs. The missile of the Barak SAM system is designed to replace or complement gun-based CIWS platforms, such as the Phalanx CIWS, with a more flexible and longer-range SAM.

The missiles are mounted in an eight-cell container (which requires little maintenance) and are launched straight up. The launcher of the Barak SAM system utilizes a compact vertical launching system, with an 8-cell module weighing 1,700 kg.

Fire control is provided by an equally compact C3I system that weighs 1,300 kg, which can either operate independently or in conjunction with other onboard sensors. The radar system of C3I provides 360-degree coverage and the missiles can take down an incoming missile as close as 500 meters away from the ship.

Note: Recently, India & Israel jointly developed the most advanced long-range surface to air missile Barak-8 was successfully test-fired off the Odisha coast.

Reports suggest the missile has been increased to a maximum range of 90 km following “range upgrade discussions” between India and Israel during November 2014.

Barak 8 was jointly developed by Israel Aerospace Industries (IAI), India’s Defence Research & Development Organization (DRDO), Israel’s Administration for the Development of Weapons and Technological Infrastructure, Elta Systems, Rafael and other companies. Bharat Dynamics Limited (BDL) produces the missiles.

Answer: (b)

Astra is a single stage solid fuelled missile. It can be integrated with all the major fighter planes of Indian Air Force. Recently, it was successfully testfired from a Sukhoi-30 fighter aircraft.

Answer: (b)

Both the given statements are correct.

Answer: (a)

United Kingdom has become the first country to legalise the creation of three-parent IVF designer babies using Mitochondrial Donation Technique.

Answer: (d)

Rotavirus is the leading cause of moderate to severe diarrhoea. Rotvirus vaccine along with rubella vaccine and Inactivated Poliovirus Vaccine (IPV) has been recemtly included in India’s Universal Immunisation Programme.