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Drishti IAS Presents...
SScciieennccee && TTeecchhnnoollooggyy
(January 2021 — March 2022)(January 2021 — March 2022)
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Drishti IAS, 641, Mukherjee Nagar, Drishti IAS, 21 Drishti IAS, Tashkent Marg, Drishti IAS, Tonk Road,
Opp. Signature View Apartment, Pusa Road, Karol Bagh Civil Lines, Prayagraj, Vasundhra Colony,
New Delhi New Delhi - 05 Uttar Pradesh Jaipur, Rajasthan
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Contact: 011430665089, 7669806814, 8010440440
2 PT SPRINT (2022) SCIENCE & TECHNOLOGY QUESTIONS www.drishtiIAS.com
1. Which of the following is/are the characteristics of 5. The launch of which of the following missions can be
Semiconductors? counted as an achievement of the Indian Space Research
1. Formed due to ionic bonding Organisation (ISRO)?
2. Positive temperature coefficient 1. Rohini
3. Only four valence electrons in the outermost orbit. 2. Amazonia -1
Select the correct answers using the code given 3. UNITYsat
below: Select the correct answer using the code given below:
A. 1 and 3 only B. 2 and 3 only A. 1 and 3 only
C. 3 only D. 1, 2 and 3 B. 2 and 3 only
2. With reference to the Open source software, consider C. 3 only
the following statements: D. 1, 2 and 3
1. It is a software that is distributed with its source 6. With reference to the 5G, consider the following
code. statements:
2. It allows anyone to modify the software to best fit 1. The 5G networks will operate in the mm-Wave
their needs. spectrum.
Which of the statements given above is/are correct? 2. Use of mm-Wave spectrum may result in Out-of-
A. 1 only B. 2 only band emission.
C. Both 1 and 2 D. Neither 1 nor 2 Which of the statements given above is/are correct?
3. Consider the following statements regarding the A. 1 only
Defence Research and Development Organisation B. 2 only
(DRDO) : C. Both 1 and 2
1. DRDO is the R&D (Research and Development) wing D. Neither 1 nor 2
of the Ministry of Science & Technology. 7. Consider the following statements:
2. It was formed in 1958 from the amalgamation of 1. When meteoroids enter the Earth’s atmosphere they
the Technical Development Establishment (TDEs) of are called Asteroids.
the Indian Army and the Directorate of Technical
Development & Production (DTDP) with the Defence 2. When a meteoroid enters the Earth’s atmosphere
Science Organisation (DSO). and hits the ground, it is called a Meteors.
Which of the statements given above is/are correct? Which of the statements given above is/are correct?
A. 1 only A. 1 only
B. 2 only B. 2 only
C. Both 1 and 2 C. Both 1 and 2
D. Neither 1 nor 2 D. Neither 1 nor 2
4. Consider the following statements: 8. With reference to the Rare Earth Metals, consider the
1. A mutation is a single change in the genetic material following statements:
of the virus. 1. These minerals have unique magnetic, luminescent,
2. A variant is the whole sequence of the virus, which and electrochemical properties.
may contain one or more mutations. 2. They are a set of seventeen metallic elements.
Which of the statements given above is/are correct? Which of the statements given above is/are correct?
A. 1 only A. 1 only
B. 2 only B. 2 only
C. Both 1 and 2 C. Both 1 and 2
D. Neither 1 nor 2 D. Neither 1 nor 2
www.drishtiIAS.com PT SPRINT (2022) SCIENCE & TECHNOLOGY QUESTIONS 3
9. Consider the following statements: 14. Consider the following statements:
1. Government has dedicated 207 Harmonized System 1. Fungi are only single celled organisms.
of Nomenclature (HSN) codes to technical textiles 2. Fungi doesn't cause diseases in humans.
to help in monitoring the data of import and export, Which of the statements given above is/are not correct?
in providing financial support and other incentives A. 1 only B. 2 only
to manufacturers. C. Both 1 and 2 D. Neither 1 nor 2
2. Technotex India is a flagship event organized by the 15. Consider the following pairs:
Ministry of Textiles for the promotion of technical
textile. Constitutional Significance
3. India is the largest technical textile exporter in the Amendment
world. st th
1. 1 Amendment Introduced 9 Schedule
th
Which of the statements given above is/are correct? 2. 24 Amendment Reduced Voting age
st
A. 1 and 2 only B. 2 only 3. 61 Amendment Defection declared illegal
C. 2 and 3 only D. 1, 2 and 3 Which of the pairs given above is/are not correctly matched?
10. With reference to the 5G, consider the following A. 1 only B. 1 and 2 only
statements: C. 2 and 3 only D. 1, 2 and 3
1. It uses a Millimetre-wave spectrum. 16. With respect to SSLV (Small Satellite Launch Vehicle),
2. It uses upgraded LTE. consider the following statements:
3. It provides speeds up to 20 Gbps. 1. SSLV aims to cater to the market for the launch of
Which of the above statements are correct? small satellites into Earth’s geostationary orbits.
A. 1 and 3 only B. 1 and 2 only 2. New Space India Limited (NSIL) aims to mass-
produce the SSLV in partnership with the private
C. 2 and 3 only D. 1, 2 and 3 only sector in India through technology transfers.
11. Consider the following statements: Which of the statements given above is/are correct ?
1. Dark Matter was first detected in 1938 by Albert A. 1 only B. 2 only
Einstein. C. Both 1 and 2 D. Neither 1 nor 2
2. Dark Matter's gravitational force prevents stars in 17. Which of the following is/are correct regarding Partial
our Milky Way from flying apart. Parasitic Plants:
Which of the statements given above is/are correct? 1. They are also called holoparasitic plants.
A. 1 only B. 2 only 2. They are chlorophyllous (contain chlorophyll).
C. Both 1 and 2 D. Neither 1 nor 2 3. They have a worldwide distribution in tropical as
12. Recently discovered Ganoderma keralense is a new well as temperate habitats.
species in Kerala, it belongs to which of the following Select the correct answer using the code given below:
group of microorganisms? A. 1 and 2 only B. 2 and 3 only
A. Bacteria B. Viruses C. 1 and 3 only D. 1, 2 and 3
C. Fungi D. Protozoa 18. Consider the following statements:
13. Consider the following statements: 1. The rare earth minerals are called rare because they
are very scarcely available on earth.
1. Negative ions are not produced by any naturally 2. China has a global domination in the production of
occurring substance. rare earth metals.
2. Negative ions are made when sunlight, radiation, 3. India has the world’s second-largest reserves of rare
air, or water break down oxygen. earth elements.
Which of the statements given above is/are correct? Which of the statements given above is/are correct?
A. 1 only B. 2 only A. 1 only B. 2 only
C. Both 1 and 2 D. Neither 1 nor 2 C. 2 and 3 only D. 1, 2 and 3
4 PT SPRINT (2022) SCIENCE & TECHNOLOGY QUESTIONS www.drishtiIAS.com
19. Consider the following statements: 24. Consider the following statements regarding the
1. It has gravitational attraction. Bioenergy Crops:
2. It does not seem to interact with light. 1. Bioenergy crops can induce a cooling effect on the
3. It may provide an explanation for anomalies in the areas where they are cultivated.
laws of gravity. 2. Wheat, corn, main edible oilseeds/edible oils,
The above description most appropriately is related to sugarcane, and other crops are some of the
which of the following concepts related to space? Bioenergy crops.
A. Dark Matter B. Red Giant Which of the statements given above is/are correct?
C. Supernova D. Heliosphere A. 1 only B. 2 only
C. Both 1 and 2 D. Neither 1 nor 2
20. With reference to BrahMos Missile, consider the 25. Consider the following statements:
following statements:
1. It is a joint venture between India and Russia. 1. Fly ash is an unwanted unburnt residue of nuclear
2. It operates on the "Fire and Forgets" principle. power plants.
3. Brahmos is currently operationally deployed at a 2. Fly ash includes substantial amounts of silicon
speed nearly thrice the speed of sound. dioxide (SiO2), aluminium oxide (Al2O3), ferric oxide
Which of the statements given above is/are correct? (Fe2O3) and calcium oxide (CaO).
A. 1 and 3 only B. 2 only Which of the statements given above is/are correct?
A. 1 only B. 2 only
C. 2 and 3 only D. 1, 2 and 3 C. Both 1 and 2 D. Neither 1 nor 2
21. Consider the following pairs: 26. Consider the following statements:
ISRO’s Joint Projects Countries of the 1. Graphene is the most electrically and thermally
Associated Partners conductive material in the world.
1. Duchifat 3 Japan 2. Graphene has applications in faster DNA sequencing
2. TRISHNA France and drug delivery.
3. Lunar Polar Exploration Israel Which of the statements given above is/are correct?
Mission (LUPEX) A. 1 only B. 2 only
Which of the pairs given above is/are correctly matched? C. Both 1 and 2 D. Neither 1 nor 2
A. 1 and 2 only B. 2 only 27. Consider the following statements:
C. 2 and 3 only D. 1, 2 and 3 1. A path of a satellite in polar orbit will exactly match
22. Which of the following is not correct about the Lithium- the rotation of the Earth.
ion Batteries: 2. A Geosynchronous satellite orbit travels north-south
A. Fast charging time over the poles and takes approximately 90 minutes
B. Expensive to manufacture for a full rotation.
C. Batteries catching fires Which of the above statement/s is/are correct?
D. Lack the range that would make batteries a viable A. 1 only B. 2 only
alternative to internal combustion engines (for C. Both 1 and 2 D. Neither 1 nor 2
electric vehicle manufacturing) 28. Which of the following statements is/are correct
23. Aquamation has been recently in the news. Which of regarding Nuclear Fusion?
the following statements most appropriately describes 1. Fusion requires the presence of uranium/plutonium
it? for the reaction to take place.
A. Flameless cremation 2. Fusion reactions take place in the liquid state of matter.
B. Growing plants by only using water 3. Tritium, an isotope of hydrogen, is produced during
C. Growing fisheries on farms nuclear fusion when the fusion neutrons interact
D. Extracting water from celestial bodies. with lithium.
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