Science and Technology

2021

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2021 · Set A (Q68)

In a pressure cooker, the temperature at which the food is cooked depends mainly upon which of the following?1.Area of the hole in the lid2.Temperature of the flame3.Weight of the lidSelect the correct answer using the code given below
27

2021 · Set A (Q71)

Water can dissolve more substances than any other liquid because

2020

28

2020 · Set A (Q37)

In the context of recent advances in human reproductive technology. "Pronuclear Transfer" is used for
29

2020 · Set A (Q39)

With reference to Visible Light Communication (VLC) technology, which of the following statements are correct?1.VLC uses electromagnetic
30

2020 · Set A (Q40)

With reference to "Blockchain Technology" consider the following statements:1.It is a public ledger that everyone we inspect, but which no single user controls2.The structure and design of blockchain is such that all the data in it are about crypto currency only.3.Applications that depend on basic features of blockchain can be developed without anybody's permission.Which of the statements given above is/are correct?
31

2020 · Set A (Q42)

Consider the following activities:1.Spraying pesticides on a crop field2.Inspecting the craters of active volcanoes3.Collecting breath samples from spouting whales for DNA analysis. At the present level of technology,which of the above activities can be successfully carried out by using drones?
32

2020 · Set A (Q43)

The experiment will employ a trio of spacecraft flying in formation in the shape of an equilateral triangle that has sides one million kilometers long, with lasers shining between the craft." The experiment in question refers to
33

2020 · Set A (Q47)

Which of the following statements are correct regarding the general difference between plant and animal cells?1.Plant cells have cellulose cell walls whilst animal cells do not.2.Plant cells do not have plasma membrane unlike animal cells which do.3.Mature plant cell has one large vacuole whilst animal cell has many small vacuoles.Select the correct answer using the code given below:

2019

34

2019 · Set A (Q32)

For the measurement/ estimation of which of the following are satellite images/remote sensing data used?1.Chlorophyll content in the vegetation of a specific location2.Greenhouse gas emissions from rice paddies of a specific location3.Land surface temperatures of a specific locationSelect the correct answer using the code given below
35

2019 · Set A (Q57)

Consider the following statements:1.According to the Indian Patents Act, a biological process to create a seed can be patented in India.2.In India, there is no Intellectual Property Appellate Board.3.Plant varieties are not eligible in the patented in India.Which of the statements given above is/are correct?
36

2019 · Set A (Q75)

With reference to communications technologies, what is/are the difference/differences between LTE (Long-Term Evolution) and VoLTE (Voice over Long-Term Evolution)?1.LTE is commonly marketed as 3G and VoLTE is commonly marketed as advanced 3G.2.LTE is data-only technology and VoLTE is voice-only technology.Select the correct answer using the code given below
37

2019 · Set A (Q93)

With reference to the recent developments in science,which one of the following statements is not correct?
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2019 · Set A (Q94)

Consider the following statements:A digital signature is1.an electronic record that identifies the certifying authority issuing it2.used to serve as a proof of identity of an individual to access information or serve on Internet3.an electronic method of signing an electronic document and ensuring that the original content is unchangedWhich of the statements given above is/are correct?
39

2019 · Set A (Q95)

In the context of wearable technology, which of the following tasks is/are accomplished by wearable devices?1.Location identification of a person2.Sleep monitoring of a person
40

2019 · Set A (Q96)

'RNA interference (RNAi)' technology has gained popularity in the last few years. Why?1.It is used in developing gene silencing therapies.2.It can be used in developing therapies for the treatment of cancer.3.It can be used to develop hormone replacement therapies.4.It can be used to produce crop plants that are resistant to viral pathogens.Select the correct answer using the code given below
41

2019 · Set A (Q98)

Which of the following are the reasons for the occurrence of multi-drug resistance in microbial pathogens in India?1.Genetic predisposition of some people2.Taking incorrect doses of antibiotics to cure diseases3.Using antibiotics in livestock farming4.Multiple chronic diseases in some peopleSelect the correct answer using the code given below
42

2019 · Set A (Q99)

What is Cas9 protein that is often mentioned in news?
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2019 · Set A (Q100)

Which one of the following statements is not correct?

2018

44

2018 · Set A (Q7)

What is/are the consequence/consequences of a country becoming the member of the 'Nuclear Suppliers Group'?1.It will have access to the latest and most efficient nuclear technologies.2.It automatically becomes a member of "The Treaty on the Non-Proliferation of Nuclear Weapons (NPT)".Which of the statements given above is/are correct?
45

2018 · Set A (Q43)

What is "Terminal High Altitude Area Defence (THAAD)", sometimes seen in the news?
46

2018 · Set A (Q55)

In which of the following areas can GPS technology be used?1.Mobile phone operations2.Banking operations3.Controlling the power gridsSelect the correct answer using the code given below:
47

2018 · Set A (Q62)

Consider the following statements:1.Light is affected by gravity.2.The Universe is constantly expanding.3.Matter warps its surrounding space-time.Which of the above is/are the prediction/predictions of Albert Einstein's General Theory of Relativity, often discussed in media?
48

2018 · Set A (Q84)

"3D printing" has applications in which of the following?1.Preparation of confectionery items2.Manufacture of bionic ears3.Automotive industry4.Reconstructive surgeries5.Data processing technologiesSelect the correct answer using the code given below:
49

2018 · Set A (Q99)

Consider the following:1.Birds2.Dust blowing3.Rain4.Wind blowingWhich of the above spread plant diseases?

2017

50

2017 · Set A (Q73)

Consider the following pairs:Commonly used/consumed materials - Unwanted or controversial chemicals likely to be found in them1.Lipstick - Lead2.Soft drinks - Brominated vegetable oils3.Chinese fast food - Monosodium glutamateWhich of the pairs given above is/are correctly matched?
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