UPSC Static Quiz – Environment : 4 June 2024
Kartavya Desk Staff
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We will post 5 questions daily on static topics mentioned in the UPSC civil services preliminary examination syllabus. Each week will focus on a specific topic from the syllabus, such as History of India and Indian National Movement, Indian and World Geography, and more.
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• Question 1 of 5 1. Question Consider the following statements. A “carbon credit” is an electronic and serialized unit that represents one ton of CO equivalent that is reduced, avoided, or sequestered from projects applying an approved carbon credit methodology. Decarbonization refers to the conversion of the economic system or individual carbon emitting entity reducing the carbon intensity of its emissions over time. Which of the above statements is/are incorrect? (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2 Correct Solution: a) A “carbon credit” (also known as a “carbon offset”) is an electronic and serialized unit that represents one ton of CO2 equivalent that is reduced, avoided, or sequestered from projects applying an approved carbon credit methodology. Decarbonization means the reduction of carbon. More specifically, the term refers to the conversion of the economic system or individual carbon emitting entity converting to reduce the carbon intensity of its (direct or value chain) emissions over time. Incorrect Solution: a) A “carbon credit” (also known as a “carbon offset”) is an electronic and serialized unit that represents one ton of CO2 equivalent that is reduced, avoided, or sequestered from projects applying an approved carbon credit methodology. Decarbonization means the reduction of carbon. More specifically, the term refers to the conversion of the economic system or individual carbon emitting entity converting to reduce the carbon intensity of its (direct or value chain) emissions over time.
#### 1. Question
Consider the following statements.
• A “carbon credit” is an electronic and serialized unit that represents one ton of CO equivalent that is reduced, avoided, or sequestered from projects applying an approved carbon credit methodology.
• Decarbonization refers to the conversion of the economic system or individual carbon emitting entity reducing the carbon intensity of its emissions over time.
Which of the above statements is/are incorrect?
• (a) 1 only
• (b) 2 only
• (c) Both 1 and 2
• (d) Neither 1 nor 2
Solution: a)
A “carbon credit” (also known as a “carbon offset”) is an electronic and serialized unit that represents one ton of CO2 equivalent that is reduced, avoided, or sequestered from projects applying an approved carbon credit methodology.
Decarbonization means the reduction of carbon. More specifically, the term refers to the conversion of the economic system or individual carbon emitting entity converting to reduce the carbon intensity of its (direct or value chain) emissions over time.
Solution: a)
A “carbon credit” (also known as a “carbon offset”) is an electronic and serialized unit that represents one ton of CO2 equivalent that is reduced, avoided, or sequestered from projects applying an approved carbon credit methodology.
Decarbonization means the reduction of carbon. More specifically, the term refers to the conversion of the economic system or individual carbon emitting entity converting to reduce the carbon intensity of its (direct or value chain) emissions over time.
• Question 2 of 5 2. Question When coal is burned, it releases a number of airborne toxins and pollutants like Nitrogen oxides Lead Sulfur dioxide Mercury Heavy Metals How many of the above options is/are correct? a) Only two b) Only three c) Only four d) All five Correct Solution: d) When coal is burned it releases a number of airborne toxins and pollutants. They include Carbon dioxide, mercury, lead, sulfur dioxide, nitrogen oxides, particulates, and various other heavy metals. Health impacts can range from asthma and breathing difficulties, to brain damage, heart problems, cancer, neurological disorders, and premature death. Incorrect Solution: d) When coal is burned it releases a number of airborne toxins and pollutants. They include Carbon dioxide, mercury, lead, sulfur dioxide, nitrogen oxides, particulates, and various other heavy metals. Health impacts can range from asthma and breathing difficulties, to brain damage, heart problems, cancer, neurological disorders, and premature death.
#### 2. Question
When coal is burned, it releases a number of airborne toxins and pollutants like
• Nitrogen oxides
• Sulfur dioxide
• Heavy Metals
How many of the above options is/are correct?
• a) Only two
• b) Only three
• c) Only four
• d) All five
Solution: d)
When coal is burned it releases a number of airborne toxins and pollutants. They include Carbon dioxide, mercury, lead, sulfur dioxide, nitrogen oxides, particulates, and various other heavy metals. Health impacts can range from asthma and breathing difficulties, to brain damage, heart problems, cancer, neurological disorders, and premature death.
Solution: d)
When coal is burned it releases a number of airborne toxins and pollutants. They include Carbon dioxide, mercury, lead, sulfur dioxide, nitrogen oxides, particulates, and various other heavy metals. Health impacts can range from asthma and breathing difficulties, to brain damage, heart problems, cancer, neurological disorders, and premature death.
• Question 3 of 5 3. Question While burning hydrocarbon fuels, if we see a blue flame it means that the fuel is a) Wet b) made of saturated hydrocarbons c) made of unsaturated hydrocarbons d) burning completely Correct Solution: b) In saturated hydrocarbons complete combustion of the fuel takes place but in the unsaturated hydrocarbons incomplete combustion takes place. Hence saturated hydrocarbons give a blue flame while unsaturated hydrocarbons burn with a sooty flame. Incorrect Solution: b) In saturated hydrocarbons complete combustion of the fuel takes place but in the unsaturated hydrocarbons incomplete combustion takes place. Hence saturated hydrocarbons give a blue flame while unsaturated hydrocarbons burn with a sooty flame.
#### 3. Question
While burning hydrocarbon fuels, if we see a blue flame it means that the fuel is
• b) made of saturated hydrocarbons
• c) made of unsaturated hydrocarbons
• d) burning completely
Solution: b)
In saturated hydrocarbons complete combustion of the fuel takes place but in the unsaturated hydrocarbons incomplete combustion takes place.
Hence saturated hydrocarbons give a blue flame while unsaturated hydrocarbons burn with a sooty flame.
Solution: b)
In saturated hydrocarbons complete combustion of the fuel takes place but in the unsaturated hydrocarbons incomplete combustion takes place.
Hence saturated hydrocarbons give a blue flame while unsaturated hydrocarbons burn with a sooty flame.
• Question 4 of 5 4. Question Consider the following statements regarding Biogas. It is formed by the decomposition of cow dung in the absence of oxygen. It is a non-renewable source of energy. It burns without smoke and leaves no residue. How many of the above statements is/are correct? a) Only one b) Only two c) All three d) None Correct Solution: b) Statement 2 is incorrect. *Biogas is a renewable fuel produced by the breakdown of organic matter such as food scraps and animal waste by microorganisms in the absence of oxygen. It burns without smoke, leaves no residue like ash in wood, charcoal and coal burning. Its heating capacity is high. Incorrect Solution: b) Statement 2 is incorrect. Biogas is a renewable fuel produced by the breakdown of organic matter such as food scraps and animal waste by microorganisms in the absence of oxygen. It burns without smoke, leaves no residue* like ash in wood, charcoal and coal burning. Its heating capacity is high.
#### 4. Question
Consider the following statements regarding Biogas.
• It is formed by the decomposition of cow dung in the absence of oxygen.
• It is a non-renewable source of energy.
• It burns without smoke and leaves no residue.
How many of the above statements is/are correct?
• a) Only one
• b) Only two
• c) All three
Solution: b)
Statement 2 is incorrect.
*Biogas is a renewable fuel produced by the breakdown of organic matter such as food scraps and animal waste by microorganisms in the absence of oxygen. It burns without smoke, leaves no residue* like ash in wood, charcoal and coal burning. Its heating capacity is high.
Solution: b)
Statement 2 is incorrect.
*Biogas is a renewable fuel produced by the breakdown of organic matter such as food scraps and animal waste by microorganisms in the absence of oxygen. It burns without smoke, leaves no residue* like ash in wood, charcoal and coal burning. Its heating capacity is high.
• Question 5 of 5 5. Question Which one of the following is an exhaustible but renewable natural resource? a) Nuclear energy b) Solar energy c) Soil d) Water in usable condition Correct Solution: d) Water in usable condition is an exhaustible but renewable natural resource. Incorrect Solution: d) Water in usable condition is an exhaustible but renewable natural resource.
#### 5. Question
Which one of the following is an exhaustible but renewable natural resource?
• a) Nuclear energy
• b) Solar energy
• d) Water in usable condition
Solution: d)
Water in usable condition is an exhaustible but renewable natural resource.
Solution: d)
Water in usable condition is an exhaustible but renewable natural resource.
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