10 PM Daily Current Affairs Quiz | July 8 2021

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Question No. 1
There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in the manufacture of various products.Why?
1. They can accumulate in the environment, and contaminate water and soil.
2. They can enter the food chains.
3. They can trigger the production of free radicals.
Select the correct answer using the code given below.
Question No. 2
“The methaemoglobinemia” symptoms are due to which of the following?
Question No. 3
The terms “Biological Oxygen Demand, Biochemical Oxygen Demand and Chemical Oxygen Demand” are related to which of the following?
Question No. 4
Consider the following statements regarding “National Air Quality Index”:
1. It was launched in April, 2015 starting with 14 cities to disseminate air quality information.
2. Carbon monoxide and Ozone are part of National Air Quality Index.
Which of the statements given above is/are correct?
Question No. 5
Which of the following is/are the applications of fly ash?
1. Fly ash bricks are light in weight and offer high strength and durability.
2. It can be used in reclamation of wastelands.
3. It can increase the crop yield and it also enhances water holding capacity of the land.
Select the correct answer using the code given below:
Question No. 6
Consider the following statements regarding Sulfur Dioxide:
1. India is the largest emitter of Sulfur dioxide pollution.
2. Largest source of SO2 in atmosphere is burning of fossil fuels by power plants and other industrial facilities.
Which of the statements above given is/are correct?
Question No. 7
Consider the following statements regarding Ammonia:
1. It occurs naturally in air, soil and water, and is used as an agricultural fertilizer and in cleaning products.
2. Short-term inhalation of high levels of ammonia can cause irritation and serious burns in the mouth, lungs and eyes.
Which of the statements above given is/are correct?
Question No. 8
Which of the following is/are common source/sources of Particulate Matter?
1. Combustion of petrol & diesel engines
2. Combustion of solid fuel for energy production
3. Erosion of pavement by road traffic
Select the correct answer using the codes given below:
Question No. 9
Consider the following statements regarding particulate matter:
1. PM2.5 and PM10 are mixture of solid and liquid particles generally having diameters of a single strand of average human hair.
2. The common chemical composition of particulate matter includes nitrates, sulfates, ammonium, and also metals and biological components.
Which of the statements above given is/are correct?
Question No. 10
Consider the following statements:
1. According to IQAir, New Delhi was the world’s most polluted capital in 2020.
2. Report is based on the calculation of PM 10.
Which of the statements above given is/are correct?
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