science & tech MCQ section 3 MCQ Questions & Answers Detailed Explanation

Answer: (c)

VELOX-1 is a Singaporean satellite. ISRO’s PSLV C23 was launched on 30 June 2014 from Satish Dhawan Space Centre at Sriharikota in Andhra Pradesh at 9.52 am.

The PSLV C23 carried five satellites belonging to four countries namely France, Germany, Canada and Singapore. All these five satellites were launched under commercial arrangements that ANTRIX (ISRO’s commercial arm) has entered with the respective foreign agencies.

Answer: (a)

The Government of India launched the Integrated Guided Missile Development Program in 1983 to achieve self-sufficiency in the development and production of a wide range of Ballistic Missiles, Surface Air Missiles etc. Prithvi was the first missile to be developed under the Program. DRDO attempted to build a Surface-to-air Missile under Project Devil.

The Prithvi missile project encompassed developing 3 variants for use by the Indian Army, Indian Air Force and the Indian Navy. Over the years these specifications underwent a number of changes. While the codename Prithvi stands for any missile inducted by India into its armed forces in this category, the later developmental versions are codenamed Prithvi II and Prithvi III.

Prithvi I class was a surface-to-surface missile having a maximum warhead mounting capability of 1,000 kg, with a range of 150 km. It has an accuracy of 10 – 50 metres and can be launched from Transporter erector launchers. This class of Prithvi missiles was inducted into the Indian Army in 1994.

Answer: (c)

Yuri Alekseyevich Gagarin was a Soviet pilot and cosmonaut. He was the first human to journey into outer space and the first to orbit the earth, when his Vostok spacecraft completed an orbit of the Earth on 12 April, 1961. Vostok 1 marked his only spaceflight, but he served as backup crew to the Soyuz 1 mission (which ended in a fatal crash).

Answer: (d)

The Agni missile is a family of medium to intercontinental range ballistic missiles developed by India, named after one of the five elements of nature. In the Agni series of ballistic missiles, Agni II, Agni III and Agni IV are Intermediate Range Ballistic Missiles (IRBMs). These are all nuclear capable missiles.

Answer: (b)

India has three research stations in Antarctica: Dakshina Gangotri Maitri and Bharati. India’s first committed research facility, Dakshin Gangotri, was set up in 1983. It is currently being used as a supply base. Maitri and Bharati were set up in 1989 and 2012 respectively.

Answer: (d)

Mahyco-monsanto Biotech (MMB) - a 50 : 50 joing venture between Mahyco and monsanto Holdings Pvt Ltd. has sub licensed the Bollgard II and Bollgard technologies to 28 Indian seed companies each of whom has introduced the bollgard technology into their own germ plasm.