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UPSC IAS Prelims 2019 and State PSC Exam Science-Technology Practice MCQ-1

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UPSC and State PSC Prelims Exam Science & Technology Question Bank

Q.1) NASA’s spacecraft OSIRIS – Rex has recently arrived at its destination. Which of the following statements is/are correct regarding it?

1. The mission will land at near earth orbit asteroid, Bennu and will bring a rock sample on earth.

2. The aim of the mission is to discover formation of water and organic molecules on mars.

3. This will be the world’s first space asteroid sampling.

Select the code from following:

a) 1 only

b) 2 and 3

c) 1 and 3

d) All of the above

Solution (a)

Q.2) ISRO’s launch vehicle PSLV – C43 has successfully launched satellite HysIS. Which of the following statements are correct regarding HysIS?

a) It is an observation satellite to study the earth’s surface in the visible, near infrared and short-wave infrared regions.

b) It is a communication satellite that will be helpful in providing DTH connection across

India.

c) It is a surveillance satellite launched for Indian army to keep a check at Indo – Pak and Indo – China border.

d) It is a meteorological satellite launched for IMD for exact weather predictions in India.

Solution (a)

Q.3) Recently NASA retired its Kepler space telescope as it ran out of fuel. Which of the following statements is/are correct regarding the mission?

1. It was NASA’s first planet-hunting mission.

2. It used transit photometry detection method for searching for exoplanet.

Select the code from following:

a) 1 only

b) 2 only

c) Both 1 and 2

d) Neither 1 nor 2

Solution (c)

Q.4) Consider the following statements regarding the Gaganyaan Mission:

1. ISRO is setting up a third launch pad at Kalam Island for this mission.

2. It will be India’s first manned space mission.

3. India is planning to send three humans in space in low earth orbit through this mission.

Which of the above statements are correct?

a) 1 and 2

b) 2 and 3

c) 1 and 3

d) All of the above

Solution (b)

Q.5) ISRO has launched two observation satellites NovaSAR and S1 – 4 from Satish Dhawan center. Which of the following statements are correct regarding NovaSAR?

1. It has been launched in Sun synchronous Pole to pole project.

2. It is French satellite commercially launched by ISRO.

3. NovaSAR is a S-Band Synthetic Aperture Radar satellite intended for forest mapping, land use and ice cover monitoring, flood and disaster monitoring.

Select the code from following:

a) 1 and 2

b) 2 and 3

c) 1 and 3

d) All of the above

Solution (c)

Q.6) Japanese researchers are going to conduct world’s first experiment to test small prototype of space elevator. Which of the following statements regarding space elevator are correct?

1. It is a proposed planet to space transportation system.

2. An Earth-based space elevator would consist of a cable with one end attached to the surface near the equator and the other end in space beyond geostationary orbit.

3. Gravity and centrifugal force keeps the cable under tension, and stationary over a single position on Earth.

Select the code from following:

a) 1 and 2

b) 2 and 3

c) 1 and 3

d) All of the above

Solution (d)

Q.7) Consider the following statements regarding Gaofen 11:

1. It is part of China High-resolution Earth Observation System (CHEOS).

2. It is a sub-meter resolution optical satellite, used for surveying.

3. It will be used for land surveys, urban planning, and road network design and agriculture and disaster relief.

Which of the above statements are correct?

a) 1 and 2

b) 2 and 3

c) 1 and 3

d) All of the above

Solution (d)

Q.8) ISRO has successfully conducted ground test of its high thrust version of Vikas Engine.

Which of the following statements are correct regarding Vikas Engine?

1. It is a solid propulsion engine carrying solid fuel and oxidizer.

2. It is a workhorse engine of PSLV but hasn’t been used in any stage of GSLV.

3. High thrust version of Vikas engine will increase the payload capability of PSLV, GSLV and GSLV Mk III.

Select the code from following:

a) 1 and 2

b) 3 only

c) 1 and 3

d) All of the above

Solution (b)

Q.9) Remove DEBRIS is a satellite research project intending to demonstrate various space debris removal technologies. Rather than engaging in active debris removal (ADR) of real space debris, the Remove DEBRIS mission plan is to test the efficacy of several ADR technologies on mock targets in low Earth orbit through some experiments. Which of the following experiment is not a part of mission?

a) Net Experiment

b) Vision based Navigation

c) Harpoon and Deployable target

d) Laser HIT and disintegration Experiment

Solution (d)

Q.10) NASA has launched InSight Mission as robotic lander on Mars. The aim of the mission is to

a) Study the atmosphere of Mars

b) Study the topography of Mars

c) Study the interior of Mars

d) Study the evidence of life and water on mars

Solution (c)

Q.11) Chandrayaan 2 is totally indigenous project of ISRO. Which of the following statements are correct regarding Chandrayaan 2?

1. It is a lunar mission consisting of an Orbiter, Lander and Rover.

2. The mission will carry a six-wheeled Rover which will move around the landing site in semi-autonomous mode as decided by the ground commands.

3. If successful, it will be ISRO’s first mission to land rover on any celestial body.

Select the code from following:

a) 1 only

b) 2 and 3

c) 1 and 3

d) All of the above

Solution (d)

Q.12) Spacecraft cemetery/graveyard is the location used for crash landing of defunct spacecrafts. It is considered to be the most remote part of the earth and lies in Southern Pacific ocean. The name given to this point is

a) Point Dolphin

b) Point Angel

c) Point Nemo

d) Point Poseidon

Solution (c)

Q.13) Aditya L1 is India’s first dedicated scientific mission to study sun. It will be placed at

Lagrange point 1. Which of the following statements are correct regarding Lagrange points?

1. A Lagrange point is a location in space where the combined gravitational forces of two large bodies, such as Earth and the sun or Earth and the moon, equal the centrifugal force felt by a much smaller third body.

2. L1 lies a million miles from Earth in the opposite direction of the sun with the Earth, moon and sun behind it.

Select the code from following:

a) 1 only

b) 2 only

c) Both 1 and 2

d) Neither 1 nor 2

Solution (a)

Q.14) Stratolaunch is the world’s largest composite airplane. Which of the following statements is correct regarding it?

a) It is designed to take astronauts to International Space Station.

b) It is designed to take commercial passengers to exosphere for zero gravity experience.

c) It is designed for sending satellite-carrying rockets into low-Earth orbit

d) It is designed to carry heavy payloads from construction site to the launch site.

Solution (c)

Q.15) NASA successfully tested a supersonic parachute designed to land the agency’s next rover on Mars. The supersonic parachute experiment is known as

a) INSPIRE

b) ASPIRE

c) EXPIRE

d) RESPIRE

Solution (b)

Q.16) NASA has named a new bacteria discovered on International Space Station after

a) Dr A P J Abdul Kalam

b) Dr Vikram Sarabhai

c) Dr Saha

d) Eugene Parker

Solution (a)

Q.17) GUSTO is a balloon based observatory to study the cosmic material entering the earth.

The program was launched by

a) NASA

b) ISRO

c) ROSCOSMOS

d) ESA

Solution (a)

Q.18) which of the following energies are believed to be responsible for expansion and acceleration of Universe?

a) Gravitational energy

b) Weak forces

c) Electromagnetic energy

d) Dark Energy

Solution (d)

Q.19) Cornell University has successfully tested ‘Sprites’. Which of the following statements are correct regarding them?

1. They are world’s smallest fully functional space probes, built on a single circuit board achieving low Earth orbit

2. They are equipped with tiny solar panels and two antennas, plus a tiny radio, computer, magnetometer (to orient to Earth’s magnetic field) and gyroscope.

3. They were launched by NASA under starshot project.

Select the code from following:

a) 1 and 2

b) 2 and 3

c) 1 and 3

d) All of the above

Solution (a)

Q.20) ISRO has commissioned the world’s third largest hypersonic wind tunnel at Vikram Sara bhai Space Center. Which of the following statements regarding this wind tunnel are correct?

1. It is being made with the help of Israel.

IASbaba’s 60 day Science and Tech Compilation 2019

www.IASbaba.com Page 16

2. It will be used to study the effects of air flowing past solid objects like space vehicles.

3. It will help aerodynamic characterization of advanced space transportation systems in a hypersonic environment.

Select the code from following:

a) 1 and 2

b) 2 and 3

c) 1 and 3

d) All of the above

Solution (b)

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