Quiz Questions 3 January 2023
#1. 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
#2. 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
#3. Which of the following services generally use encryption to secure data transmission: 1)Payment gateways 2)Messaging services 3)Wireless microphones and Bluetooth devices
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.
#4. . True Nat mchines, recently seen in news can be used to test: 1)Covid-19 2)Tuberculosis 3)HIV
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.
#5. Which of the following is a National Park, a UNESCO world heritage site and a Ramsar site in India?
Both Sunderbans National Park, Assam and Keoladeo National Park, Rajasthan are both UNESCO World Heritage Sites and Ramsar Sites.
#6. Acinetobacter baumannii, Enterococcus faecalis, Escherichia coli are:
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
#7. 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:
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.
#8. 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.
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.
#9. The chemical oxygen demand (COD) test is commonly used to measure which of the following:
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.
#10. Tibet Policy and Support Act, recently seen in news is the policy of:
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.
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