Quiz Questions 3 January 2023 (Key)


Quiz Questions 3 January 2023 (Key)


Q1. Which of the following is a National Park, a UNESCO world heritage site and a Ramsar site in India?

Sundarbans national park

Manas national park

Keoladeo national park

Both a) and c)

Solution:

(D)

Both Sunderbans National Park, Assam and Keoladeo National Park, Rajasthan are both UNESCO World Heritage Sites and Ramsar Sites.


Q2. The chemical oxygen demand (COD) test is commonly used to measure which of the following:

Measuring oxygen levels in blood

Computing oxygen levels in forest ecosystems

Oxygen required to decompose organic constituents present in the wastewater

Amount of oxygen used in an oxygenation process.

Solution:

(C)

The amount of oxygen that is required for the chemical oxidation of the organic and inorganic chemicals present in the wastewater by utilising oxidising agents like Potassium permanganate, Potassium dichromate etc. is called as chemical oxygen demand (COD).

COD is the oxygen demand that is consumed by both inorganic and organic matter present in the wastewater sample.


Q3. Mosses is a bioindicator. What do you understand by this statement:

1)It reflects changes to ecosystems such as pollution.

2)It cannot be cloned or genetically engineered.

3)It does not contain mRNA.

Select the correct answer code:

1 only

2, 3

3 only

1, 2

Solution:

(A)

Mosses are a common flowerless plant found in all cities especially in damp (humid) or shady locations.

It generally absorbs water and nutrients from their immediate environments.

So, according to scientists, delicate mosses found on rocks and trees in cities around the world can be used as low-cost bio indicator to monitor urban pollution and to measure the impact of atmospheric change.

As a bio indicator, mosses respond to pollution or drought- stress by changing its shape, density or disappearing.

This characteristic will allow scientists to calculate atmospheric alterations and air pollution.


Q4. Tibet Policy and Support Act, recently seen in news is the policy of:

China

United States of America

India

Japan

Solution:

(B)

The Tibet Policy and Support Act is a federal law that outlines United States policy on Tibet.

The Tibetan Policy and Support Act would make it official United States policy that the succession of Tibetan Buddhist leaders, including the succession of the Dalai Lama, be left solely to Tibetan Buddhists to decide, without interference from the Chinese government.


Q5. Brent Crude is often used as a benchmark for the prices of crude oils. It is found in parts of the North Sea off the coast of:

Finland and Sweden

U.K. and Norway

British Isles island in Ireland

Biscay near France

Solution:

(B)

Brent blend is the name of one of two internationally-recognized types of crude oil that are used as benchmarks for prices of crude oil.

Brent Blend comes from the North Sea and is considered a light, sweet crude oil.

Brent blend is more than half of the crude oil traded internationally.

Brent blend is a blend of crude oil extracted from oilfields in the North Sea between the United Kingdom and Norway.


Q6. UN convention on the Rights of persons with disabilities includes which of these rights for the differently abled:

1)Rights to accessibility including the information technology

2)Rights to live independently and be included in the community

3)Rights to habitation and rehabilitation

Select the correct answer code:

1, 3

2, 3

1, 2

1, 2, 3

Solution:

(D)

Rights specific to this convention include the rights to accessibility including the information technology, the rights to live independently and be included in the community (Article 19), to personal mobility (article 20), habitation and rehabilitation (Article 26), and to participation in political and public life, and cultural life, recreation and sport (Articles 29 and 30).

Learning: Articles 33–39 govern reporting and monitoring of the convention by national human rights institutions (Article 33) and Committee on the Rights of Persons with Disabilities (Article 34).

Q7. True Nat mchines, recently seen in news can be used to test:

1)Covid-19

2)Tuberculosis

3)HIV

Select the correct answer code:

1 only

1, 2

1, 3

1, 2, 3

Solution:

(D)

True Nat This is a privately designed test that works on the same principle as RT-PCR, but with a smaller kit and with faster results.

True Nat, designed by Mol Bio Diagnostics Pvt Ltd, Goa, is commonly used for tuberculosis and HIV testing.

The ICMR approved True Nat for screening and confirmation for Covid-19.


Q8. Which of the following services generally use encryption to secure data transmission:

1)Payment gateways

2)Messaging services

3)Wireless microphones and Bluetooth devices

Select the correct answer code:

1, 2

1, 2, 3

1, 3

2, 3

Solution:

(B)

Encryption is the process of encoding messages or information in such a way that only authorized parties can read it.

For example: word “ABC” can become “BCD” in encrypted form, if every letter is replaced by next alphabet.

Those who know how it is encoded can only able to read “ABC” correctly.

All messaging services like WhatsApp, Viber, Google Chat, Yahoo messenger use encrypted services. Banks (payment gateways) and e-commerce sites also use encryption to protect financial and private data including passwords.

Encryption is also used to protect data in transit, for example data being transferred via networks (e.g. the Internet, e-commerce), mobile telephones, wireless microphones, wireless intercom systems, Bluetooth devices and bank automatic teller machines.

Q9. The commercial applications of nano-technology in agriculture sector include:

1)Delivery of pesticides and fertilizers

2)Monitoring soil conditions and plant growth

3)Detection of animal and plant pathogens

4)Deliver DNA to plants

 Select the correct answer code:

1, 2, 3

1, 2

1, 2, 3, 4

1, 2, 4

Solution:

(C)


Q10. Acinetobacter baumannii, Enterococcus faecalis, Escherichia coli are:

Agents of Non-Communicable Diseases (NCDs)

Pathogens that have the ability to develop resistance to antibiotics.

Drugs administered to livestock as painkillers/anti-inflammatory drugs.

Vectors that cause Malaria

Solution:

(B)

Some of the pathogens to look out for are Acinetobacter baumannii, Enterococcus faecalis, Escherichia coli, Salmonella typhi, Streptococcus pneumoniae and many more.

“These pathogens are commonly implicated as causative agents of healthcare associated infections because of their ability to develop resistance to antibiotics

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Quiz Questions 4 February 2023

Quiz Questions 4 February 2023 #IAS #UPSC #Stact_PSC #Prelims #Mains #Daily #Questions #Answers #MCQs #Explaination #GeoIAS WEBSITE                                     :   

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