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 TEST BOOKLET -1

GENERAL ABILITY TEST (General Science)

Time Allowed: 25 min Maximum Marks: 21

Each Question Marks: 0.83
Negative Marks: 0.28

Q1. Consider the following events:

1. Chandrayaan 1
2. Astrosat
3. Mangalyaan
4. Chandrayaan 2

Select the correct answer using the codes given below:

(a) 3 – 4 – 2 –1
(b) 3 – 1 – 2 –4
(c) 3 – 2 – 1 –4
(d) 1 – 3 – 2 -4

Q2. Which is the first Indian launch vehicle to be equipped with liquid stages?

(a) Augmented Satellite Launch Vehicle (ASLV)

(b) Polar Satellite Launch Vehicle (PSLV)
(c) Geosynchronous Satellite Launch Vehicle Mark II
(d) Geosynchronous Satellite Launch Vehicle Mark III

Q3. Which of the following statement is not correct?

(a) A Geostationary satellite move in the same direction as the Earth.

(b) A Geostationary satellite orbits earth at an approximate height of 10,000 km.
(c) A Geostationary satellite has circular orbit.
(d) The orbit of Geostationary Satellite lies in the plane of the Earth’s equator.

Q4. Consider the following statements:

1. PSLVs launch the satellites useful for Earth resources monitoring whereas GSLVs
are designed mainly to launch communication satellites.
2. The launching stations for Geostationary Satellites are generally located near eastern
coast line.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

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Q5. In which of the following activities are Indian Remote Sensing (IRS) satellites used?

1. Assessment of crop productivity

2. Locating groundwater resources
3. Mineral exploration
4. Telecommunications

Select the correct answer using the codes given below:

(a) 1, 2 and 3 only

(b) 2 and 4 only
(c) 1 and 2 only
(d) 1, 2, 3 and 4

Q6. Which of the following correctly describe GAGAN?

(a) GPS Aided GEO Augmented Navigation

(b) Globally Advanced GEO Augmented Navigation
(c) GPS Aided GEO Advanced Navigation
(d) GPS Aided GEO Augmented Nature

Q7. Consider the following statements:

1. Satellites in polar orbit travels north-south over the poles and takes approximately
an hour and a half for a full rotation.
2. Geostationary satellites are generally launched in south ward or north ward direction
and therefore cannot take advantage of the Earth’s rotation.

Which of the statement(s) given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

Q8. Consider the following statements:

1. Scramjets are efficient only at hypersonic speed.

2. Hyperspectral Imaging combines digital imaging and spectroscopy to attain both
spatial and spectral information.

Which of the statement(s) given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

Q9. Which among the following acts as the commercial arm of Indian Space Research
Organization?
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(a) Antrix Corporation
(b) New Space India Limited
(c) Both (a) and (b)
(d) Neither (a) and (b)

Q10. Which of the following correctly describe IRNSS?

(a) Indian Remote Navigation Satellite System

(b) Indian Regional Navigation Satellite System
(c) International Remote Navigation Satellite System
(d) Indian Regional Natural Satellite System

Q11. Consider the following pairs and identify the one(s) which is/are correctly matched:

Centre Location
1. Global Relay of Observatories Watching Transients Happen Hanle
(GROWTH)-India
2. Giant Metrewave Radio Telescope Nainital
3. Devasthal Optical Telescope Pune

Which of the above given pairs are correctly matched?

(a) 1 and 2 only

(b) 2 and 3 only
(c) 1 only
(d) 1 and 3

Q12. The master control facility of the ISRO responsible for the monitoring and control
of all the geo-stationary satellites is/are located at

(a) Ahmedabad
(b) Bengaluru
(c) Hassan and Bhopal
(d) Mahendragiri and Sriharikota

Q13. Which among the following is the only country to be successful in making its
spacecraft orbit the Mars in its very first attempt?

(a) India
(b) China
(c) United State of America
(d) Russia

Q14. What does RLV-TD stand for in the context of ISRO?

(a) Reusable Satellite Long Vehicle-Technology Demonstrator

(b) Reusable Satellite Launch Vehicle - Technology Demonstrator
(c) Relaunchable Satellite Long Vehicle - Technology Demonstrator
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(d) None of the above

Q15. Indian Space Research Organization (ISRO) comes under the authority of

(a) Department of Space

(b) Department of Science and Technology
(c) Department of Revenue
(d) Ministry of Home Affairs

Q16. Which of the following is recognized as the founding father of Indian space
programme

(a) Dr. A. P. J. Abdul Kalam

(b) Dr. Vikram Sarabhai
(c) Rajiv Gandhi
(d) Lal Bahadur Shastri

Q17. Which among the following is the fuel used in Indian indigenous cryogenic
engines?

(a) Hydrazine and Liquid Hydrogen

(b) Aviation Turbine fuel
(c) Liquid oxygen and liquid hydrogen
(d) None of the above

Q18. Which among the following was the first dedicated meteorological satellite
launched by the ISRO?

(a) Aryabhatta
(b) Bhaskara
(c) Kalpana – 1
(d) Emisat

Q19. Which is the strongest launch vehicle of India capable of launching heaviest
satellites?

(a) Augmented Satellite Launch Vehicle (ASLV)

(b) Polar Satellite Launch Vehicle (PSLV)
(c) Geosynchronous Satellite Launch Vehicle Mark II
(d) Geosynchronous Satellite Launch Vehicle Mark III

Q20. Which among the following is the India’s only dedicated Multi Wavelength Space
Observatory?

(a) Astrosat
(b) Cartosat
(c) Risat - 1
(d) Resourcesat
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Q21. In the context of space technology, what is “Bhuvan”?

(a) A mini satellite launched by ISRO for promoting the distance education in India
(b) The name given to the next Moon Impact Probe, for Chandrayan-II
(c) A geoportal of ISRO with 3 D imaging capabilities of India
(d) A space telescope developed by India

Q22. ISRO in August 2016 successfully test launched Supersonic Combustion Ramjet
(Scramjet) Engine. Which of the following statements with regard to Scramjet Engine
is/are correct? (UPSC EPFO 2017)

1. It can efficiently operate both in subsonic and supersonic combustor modes.

2. India is the first country to demonstrate the flight testing of a Scramjet Engine.

Select the correct answer using the codes given below:

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

Q23. Headquarter of Indian Space Research Organization (ISRO) is located at

(a) Mysore
(b) Thiruvananthapuram
(c) Sriharikota
(d) Bengaluru

Q24. Which of the following statements is/are correct?

1. Polar Satellite Launch Vehicle (PSLV) is the fourth generation launch vehicle of India.
2. Polar Satellite Launch Vehicle (PSLV) is a four-staged launch vehicle with alternating
solid and liquid stages.

Which of the above given statements is/are true?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

Q25. Which among the following is India's first experimental satellite launch vehicle?

(a) Augmented Satellite Launch Vehicle (ASLV)

(b) Satellite Launch Vehicle (SLV) – 3
(c) Aryabhatta
(d) Polar Satellite Launch Vehicle (PSLV)

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 SOLUTION PAPER - 1

Q1. Answer (d)

Solution –

The correct chronological order is:

Event Launch year

Chandrayaan 1 2008
Mangalyaan 2013
Astrosat 2015
Chandrayaan 2 2019

Q2. Answer (b)

Solution –

▪ Polar Satellite Launch Vehicle (PSLV) is the third generation launch vehicle of India.
▪ It is designed mainly to deliver the “earth-observation” or “remote sensing”
satellites with lift-off mass of up to about 1750 Kg.
▪ It is the first Indian launch vehicle to be equipped with liquid stages. It is also
equipped with strap on external motors.

Q3. Answer (b)

Solution –

Geostationary Satellites orbit once in 24 hour and move in the same direction as
the Earth.
▪ Such satellites appear stationary above the same point on the earth’s surface, as
they move with same velocity as that of the Earth.
▪ They can only be above the Equator and are placed at an altitude of 35,790 km.
▪ They are circular in shape. One Geostationary satellite covers 1/3rd of the earth.
▪ They have diverse applications ranging from direct broadcast to communications
or relay systems.

Q4. Answer (c)

Solution –

Statement 1 is correct:
▪ Polar Satellite Launch Vehicle (PSLV) is the third generation launch vehicle of India.
▪ It is designed mainly to deliver the “earth-observation” or “remote sensing”
satellites with lift-off mass of up to about 1750 Kg.
▪ GSLV is designed mainly to deliver the communication satellites.

Statement 2 is correct:
▪ The launching stations for geostationary satellites are generally located near
eastern coast line so that, just in case of failure of the launch, the satellite does not
fall on built-up hinterland.
▪ A satellite launched from the sites near the equator towards the east direction will
get an initial boost equal to the velocity of Earth surface.

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▪ This is the major reason for launching satellites in the east ward direction.

Q5. Answer (a)

Solution –

▪ India after 1980s began to develop the indigenous Indian Remote Sensing (IRS)
satellite program.
▪ It supported the national economy in the areas of agriculture, water resources,
disaster management, urban planning, forestry and ecology, geology, water
sheds, marine fisheries and coastal management.

Q6. Answer (a)

Solution –

▪ GAGAN stands for the GPS Aided GEO Augmented Navigation.

▪ The main objectives of GAGAN are to provide Satellite-based Navigation services
with accuracy and integrity required for civil aviation applications and to provide
better Air Traffic Management over Indian Airspace.

Q7. Answer (a)

Solution –

Statement 1 is correct:
▪ Polar satellites are generally launched in south ward or north ward direction and
therefore cannot take advantage of the Earth’s rotation.

Statement 2 is incorrect:
▪ Geostationary satellites are launched from the sites near the equator towards the
east direction to get an initial boost equal to the velocity of Earth surface.

Q8. Answer (c)

Solution –

Statement 1 is correct:
▪ A scramjet engine is an improvement over the ramjet engine as it efficiently
operates at hypersonic speeds and allows supersonic combustion.

Statement 2 is correct:
▪ Hyperspectral imaging combines the power of digital imaging and spectroscopy to
attain both spatial and spectral information from an object.
▪ This result can be then used to identify, measure and locate different materials
and their chemical and physical properties.

Q9. Answer (c)

Solution –

▪ Antrix Corporation Limited (ACL), Bengaluru is a wholly owned Government of

India Company under the administrative control of the Department of Space.

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 - The objective of Antrix is promoting and commercially exploiting the space
products developed by ISRO.
▪ New Space India Limited is a wholly owned Government of India undertaking
(CPSE), under the administrative control of Department of Space (DOS) to
commercially exploit the research and development work of ISRO.

Q10. Answer (b)

Solution –

▪ IRNSS stands for Indian Regional Navigation Satellite System.

▪ This is an independent Indian Satellite based positioning system for critical
National applications.
▪ The main objective is to provide reliable position, navigation and timing services
over India and its neighborhood, to provide fairly good accuracy to the user.
▪ The IRNSS will provide basically two types of services
1. Standard Positioning Service (SPS)
2. Restricted Service (RS)

Q11. Answer (c)

Solution –

▪ The correctly matched pairs are:

Centre Location
1. Global Relay of Observatories Watching Transients Happen Hanle
(GROWTH)-India
2. Giant Metrewave Radio Telescope Pune
3. Devasthal Optical Telescope Nainital

Q12. Answer (c)

Solution –

Master Control Facility (MCF) of ISRO is located at Hassan in Karnataka and Bhopal
in Madhya Pradesh.
▪ It monitors and controls all the Geostationary / Geosynchronous satellites of ISRO.

Q13. Answer (a)

Solution –

The Mars Orbiter Mission (MOM), launched in 2013, also called Mangalyaan is a
spacecraft orbiting Mars since 24 September 2014.
▪ It is India's first interplanetary mission and ISRO has become the fourth space
agency to reach Mars, after the Soviet space program, NASA, and the European
Space Agency.
▪ India is the first Asian nation to reach Mars orbit, and the first nation to do so
on its first attempt.

Q14. Answer (b)

Solution –
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RLV – TD stands for Reusable Satellite Launch Vehicle Technology Demonstrator.
▪ A reusable launch vehicle is the unanimous solution to achieve low cost, reliable
and on-demand space access.
▪ The configuration of RLV-TD is similar to that of an aircraft and combines the
complexity of both launch vehicles and aircraft.
▪ It has been configured to act as a flying test bed to evaluate various technologies,
namely, hypersonic flight, autonomous landing and powered cruise flight.

Q15. Answer (a)

Solution –

▪ The Department of Space (DOS) and the Space Commission were set up in 1972 and
ISRO was brought under DOS on June 1, 1972.

Q16. Answer (b)

Solution –

▪ Vikram Ambalal Sarabhai was an Indian physicist and astronomer who initiated
space research and helped develop nuclear power in India.
▪ He was honored with Padma Bhushan in 1966 and the Padma Vibhushan in 1972.
▪ He is internationally regarded as the Father of the Indian Space Program.

Q17. Answer (c)

Solution –

A cryogenic rocket engine is a rocket engine that uses a cryogenic fuel or oxidizer,
that is, its fuel or oxidizer (or both) are gases liquefied and stored at very low
temperatures.
▪ Currently, six countries have successfully developed and deployed cryogenic rocket
engines i.e. US, Russia, Japan, France, India and China.
▪ Cryogenic engine makes use of Liquid Oxygen (LOX) and Liquid Hydrogen (LH2)
as propellants which liquefy at - 183 deg C and -253 deg C respectively.

Q18. Answer (c)

Solution –

▪ Kalpana-1 was the first dedicated meteorological satellite launched by ISRO

using Polar Satellite Launch Vehicle on 12 September 2002.

Q19. Answer (d)

Solution –

▪ Geosynchronous Satellite Launch Vehicle Mark III is a three stage vehicle with an
indigenous cryogenic upper stage engine (C25).

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▪ It has been designed to carry heavier communication satellites weighing up to
4000 kg into the Geosynchronous Transfer Orbit or satellites weighing about
10,000 kg to a Low Earth Orbit (LEO).
▪ It has twice the capacity of GSLV MKII.

Q20. Answer (a)

Solution –

▪ ASTROSAT (2015) is the first dedicated Indian astronomy mission aimed at

studying celestial sources in X-ray, optical and UV spectral bands
simultaneously.
▪ One of the unique features of ASTROSAT mission is that enables the simultaneous
multi-wavelength observations of various astronomical objects with a single
satellite.

Q21. Answer (c)

Solution –

▪ Bhuvan, is the national Geo-portal developed and hosted by ISRO comprising of

Geo Spatial Data, Services and Tools for Analysis.
▪ The Satellite Imageries are of Multi-sensor, Multi-platform and Multi-temporal in
nature can be visualized in 2D and 3D.

Q22. Answer (d)

Solution –

Statement 1 is incorrect:
A scramjet engine is an improvement over the ramjet engine as it efficiently operates
at hypersonic speeds and allows supersonic combustion.
▪ Thus it is known as Supersonic Combustion Ramjet, or Scramjet.
▪ It uses Hydrogen as fuel and the Oxygen from the atmospheric air as the oxidizer.
Scramjets are efficient only above supersonic speed.
▪ The fact that scramjet uses atmospheric oxygen to burn the fuel in the first phase
will considerably reduce the amount of oxidizer to be carried aboard.

Statement 2 is incorrect:
▪ India is the fourth country to demonstrate the flight testing of Scramjet Engine
after the United States, Russia and European Space Agency.

Q23. Answer (d)

Solution –

▪ The Indian Space Research Organization (ISRO) was formed on August 15, 1969. It
superseded the erstwhile INCOSPAR.
▪ It is the pioneer space exploration agency of the Government of India, with
headquarters at Bengaluru.

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Q24. Answer (b)
Solution –

▪ Polar Satellite Launch Vehicle (PSLV) is the third generation launch vehicle of India.
▪ It is designed mainly to deliver the “earth-observation” or “remote sensing”
satellites with lift-off mass of up to about 1750 Kg.
▪ PSLV is a four-staged launch vehicle with alternating solid and liquid stages.

Q25. Answer (b)

Solution –

▪ Satellite Launch Vehicle-3 (SLV-3) was India's first experimental satellite

launch vehicle, which was an all solid, four stage vehicle weighing 17 tonnes with
a height of 22m and capable of placing 40 kg class payloads in Low Earth Orbit
(LEO).

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 Join our telegram channel
https://t.me/upscepfoexams
for getting all paid EPFO exam
materials and video lectures for
FREE !!

Click Click
me me

With approx 10 lac applicants, it

one of the toughest exams in
India.
So Hurry up!!
Dont miss the Chance.