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UPSC S-n-T PYQ by ATRISHEKHAR - Coggle Diagram
UPSC S-n-T PYQ by ATRISHEKHAR
2022
Which of the above are built on top of
open-source digital platforms
?
Aarogya Setu
COWIN
DigiLocker
DIKS
HA
With reference to
Web 3.0
, consider the following statements:
Web 3.0 technology enables people to control their own data.
In Web 3.0 world, there can be blockchain based social networks.
Web 3.0 is operated by users collectively rather than a corporation
With reference to
“Software as a Service (SaaS)”,
consider the following statements:
SaaS buyers can customise the user interface and can change data fields.
SaaS users can access their data through their mobile devices.
Outlook, Hotmail and Yahoo! Mail are forms of SaaS.
Which one of the following statements best reflects the idea behind the
“Fractional Orbital Bombardment System”
often talked about in media?
A missile is put into a stable orbit around the Earth and deorbits over a target on the Earth
.
Which one of the following is the context in which the term
“qubit”
is mentioned?
(a) Cloud Services
(b)
Quantum Computing
(c) Visible Light Communication Technologies
(d) Wireless Communication Technologies
Which of the above are considered of the
Short-Range devices/technologies
?
Closed-circuit Television
Radio Frequency Identification
Wireless Local Area Network
Which of the statements given above are correct?(
Biofilms
)
Biofilms can form on medical implants within human tissues.
Biofilms can form on food and food processing surfaces.
Biofilms can exhibit antibiotic resistance.
Consider the following statements in respect of
probiotics
Probiotics are made of both bacteria and yeast.
The organisms in probiotics are found in foods we ingest but they do not naturally occur in our gut.
Probiotics help in the digestion of milk sugars.
In the context of vaccines manufactured to prevent COVID-19 pandemic, consider the following statements:
The Serum Institute of India produced COVID-19 vaccine named Covishield using mRNA platform.
Sputnik V vaccine is manufactured using vector based platform.
COVAXIN is an inactivated pathogen based vaccine.
If a major
solar storm (solar flare)
reaches the Earth, which of the following are the possible effects on the Earth?
GPS and navigation systems could fail.
Tsunamis could occur at equatorial regions.
Power grids could be damaged.
Intense auroras could occur over much of the Earth.
Forest fires could take place over much of the planet.
Orbits of the satellites could be disturbed
.
Shortwave radio communication of the aircraft flying over polar regions could be interrupted.
Which one of the following statements best describes the role of B cells and T cells in the human body?
They protect the body from the diseases caused by pathogens.
Consider the following statements:
(NANO PARTICLES)
Other than those made by humans, nanoparticles do not exist in nature.
Nanoparticles of some metallic oxides are used in the manufacture of some cosmetics.
Nanoparticles of some commercial products which enter the environment are unsafe for humans.
Consider the following statements:
DNA Barcoding
can be a tool to:
assess the age of a plant or animal.
distinguish among species that look alike.
identify undesirable animal or plant materials in processed foods.
2021
Water
can dissolve more substances than any other liquid because.
(a) It is dipolar in nature.
(b) It is a good conductor of heat
(c) It has high value of specific heat
(d) It is an oxide of hydrogen
With reference to street lighting, how do
sodium lamps differ from LED lamps
?
Sodium lamps produce light at 360 degrees but it is not so in the case of LED lamps
.
As street lights, sodium lamps have a longer life span than LED lamps.
The spectrum of visible light from sodium lamps is almost monochromatic while LED lamps offer significant colour advantages in street lighting.
The term
“ACE2”
is talked about in the context of
spread of viral diseases
Bisphenol A (BPA), a cause of concern, is a structural/key component in the manufacture of which of the following kinds of plastics?
Polycarbonate
“Triclosan” considered harmful when exposed to high levels for a long time, is most likely present in which of the following?
Toiletries
Which one of the following is a reason why astronomical distances are measured in
light-years?
Speed of light is always same
With reference to recent developments regarding
‘Recombinant vector Vaccines’
, consider the following statements:
Genetic engineering is applied in the development of these vaccines.
Bacteria and viruses are used as vectors.
In the context of
hereditary diseases,
consider the following statements:
1
. Passing on mitochondrial diseases from parent to child can be prevented by mitochondrial replacement therapy either before or after in vitro fertilization of the egg.
A child inherits mitochondrial diseases entirely from the mother and not from the father.
Bollgard I and Bollgard II
technologies are mentioned in the context of
Developing genetically modified crop plants
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 lid
Temperature of the flame
Weight of the lid
Which of the above can be
cultured in an artificial/ synthetic medium
?
1. Bacteria
2. Fungi
Virus
Consider the following statements
(ADENOVIRU)
**
Adenoviruses have single-stranded DNA genomes whereas retroviruses have double-stranded DNA genomes.
Common cold is sometimes caused by an adenovirus whereas AIDS is caused by a retrovirus.
Which one of the following is used in preparing a natural mosquito repellent?
Lemon grass
2020
. Which of the following statements are correct regarding the general d
ifference between plant and animal cells
?
(
1) Plant cells have cellulose cell walls whilst animal cells do not.
(2) Plant cells do not have plasma membranes unlike animal cells which do.
(3) Mature plant cell has one large vacuole whilst an animal cell has many small vacuoles.
In the context of recent a
dvances in human reproductive technolog
y,
‘Pronuclear Transfer”
is used for
Prevention of mitochondrial diseases in offspring
What is the importance of using
Pneumococcal Conjugate Vaccines
in India?
(
1) These vaccines are effective against pneumonia as well as meningitis and sepsis.
(2) Dependence on antibiotics that are not effective against drug-resistant bacteria can be reduced.
(
3) These vaccines have no side effects and cause no allergic reactions.
With reference to the
carbon nanotubes,
consider the following statement :
(1) They can be used as the carriers of drugs and antigens in the human body.
(2) They can be made into artificial blood capillaries for an injured part of the human body.
(3) They can be used in biochemical sensors.
(4) Carbon nanotubes are biodegradable
.
Consider the following statements :
(GENETICS)
(1) Genetic changes can be introduced in the cells that produce eggs or sperms of a prospective parent.
(2) A person’s genome can be edited before birth at the early embryonic stage
.
(
3) Human induced pluripotent stem cells can be injected into the embryo of a pig
.
With the present state of development,
Artificial Intelligence
can effectively do which of the following?
(1) Bring down electricity consumption in industrial units
(2) Create meaningful short stories and songs
(3) Disease diagnosis
(4) Text-to-speech conversion
(5) Wireless transmission of electrical energy
With reference to
visible light communication (VLC)
technology, which of the following statements are correct?
(1) VLC uses electromagnetic spectrum wavelengths 375 to 780nm
(2) VLC is known as long-range optical wireless communication
(3) VLC can transmit large amounts of data faster than Bluetooth
(
4) VLC has no electromagnetic interference
In India, the term
“Public Key Infrastructure”
is used in the context of
a) Digital security infrastructure
(b) Food security infrastructure
(c) Health care and education infrastructure
(d) Telecommunication and transportation infrastructure
At the present level of technology, which of the above activities can be successfully carried out by
using drones
?
(1) Spraying pesticides on a crop field
(2) Inspecting the craters of active volcanoes
(3) Collecting breath samples from spouting whales for DNA analysis
The experiment will employ a trio of spacecraft flying in formation in the shape of an equilateral triangle that has sides one million kilometres long, with lasers shining between the craft.” The experiment in question refers to
Evolved LISA