MCQs on Environmental Chemistry for NEET
These NEET Questions on Environmental chemistry for class 11 Pdf Download will help students score in the upcoming NEET exam and perform better in competitive exams, such as CET, NET, SET. Hence, it is suggested to students to solve all these Environmental chemistry NEET Questions Pdf Download with their problem-solving skills and cross-check the answers. Also, try to maintain a time limit for each question. Below is the list of all the Important Questions of Environmental chemistry for NEET. Here you can get the MCQs with answers and also download PDFs provided for each topic for extra MCQ on Environmental chemistry to practise more.
Environmental Chemistry MCQs for NEET
1. Which of the following goal of Green chemistry?
1. Design chemical products and processes that maximize profits
2. Design safer chemical products and processes that reduce or eliminate the use and generation of hazardous substances
3. Design chemical products and processes that work most efficiently
4. Utilize non-renewable energy
Answer: Design safer chemical products and processes that reduce or eliminate the use and generation of hazardous substances
2. A desirable green solvent should be __________
1. Costly
2. Toxic
3. Readily available
4. Synthetic
Answer: Readily available
3. After the use of chemicals, we must ______ them properly.
1. Use
2. Reuse
3. Dispose
4. Store
Answer: Dispose
4. Which of the following reduce risk by Green chemists reduce?
1. Reducing the hazard inherent in a chemical product or process
2. Minimizing the use of all chemicals
3. Inventing technologies that will clean up toxic sites
4. Developing recycled products
Answer: Reducing the hazard inherent in a chemical product or process
5. Green chemistry improves __________ of chemical manufacturers.
a) Competitiveness
b) Easiness of production
c) Services
d) Chemicals
Answer: Competitiveness
6. Which of the following is the greenest solvent?
1. Formaldehyde
2. Benzene
3. Ethanol
4. Water
Answer: Water
7. The green synthesis methods should have _________
1. Low efficiency
2. High harmful products
3. Low energy requirements
4. Low atom efficiency
Answer: Low energy requirements
8. In green synthesis by avoiding harmful products the catalyst used is _________
1. Tungsten
2. Benzene
3. Cyclohexane
4. Adipic acid
Answer: Tungsten
9. Shortly after mid-night in 1984, a reaction caused poisonous methyl isocyanate gas to leak from a factory in this city, ________causing 3,700 deaths?
1. Bhopal
2. Hinkley
3. Calcutta
4. Siberia
Answer: Bhopal
10. Which of the following is an excellent ‘green’ solvent as well as a greenhouse gas?
1. Methanol
2. CFCs
3. Carbon monoxide
4. Carbon Dioxide
Answer: Carbon Dioxide
11. Depletion of the ozone layer is caused due to_________________
1. Ferrocene
2. Fullerenes
3. Freons
4. Polyhalogens
Answer: Freons
12. Photochemical smog is related to which pollution?
1. Air
2. Water
3. Soil
4. None of these
Answer: Soil
13. Which of the oxide of nitrogen is not a common pollutant?
1. NO
2. NO2
3. N2O
4. N2O5
Answer: N2O5
14. Alum’s capacity to purify water is due to__________
1. softens hard water
2. pathogenic bacteria get destroyed
3. impurities’ coagulation
4. it improves taste
Answer: impurities’ coagulation
15. Photochemical smog normally does not contain ______.
1. Acrolein
2. Ozone
3. Chlorofluorocarbons
4. Peroxyacetyl nitrate
Answer: Chlorofluorocarbons
16. Which of the following statement is incorrect about carbon monoxide?
1. It is produced due to incomplete combustion
2. The carboxyhaemoglobin (haemoglobin found to CO) is less stable than oxyhaemoglobin
3. It reduces the oxygen-carrying ability of blood
4. It forms carboxyhaemoglobin
Answer: The carboxyhaemoglobin (haemoglobin found to CO) is less stable than oxyhaemoglobin
17. Which of the following is the chief source of water and soil pollution?
1. Agro-industry
2. Mining
3. Thermal power stations
4. All of these
Answer: Thermal power stations
18. What is the source of lead compounds?
1. aerosol sprays foams
2. exhaust fumes of motor vehicles
3. incomplete burning of wood
4. none of above
Answer: exhaust fumes of motor vehicles
19. Which of the following have an impact on brain development in human beings especially among children?
1.chlorofluorocarbons (CFCs)
2. methane
3. carbon monoxide
4. lead compounds
Answer: lead compounds
20. Which of the following metal will pollute water?
1. Cd
2. Na
3. K
4. None of the above
Answer: Cd
21. If silk clothes are left in the open air for a week or so, their color fades because of_________________
1. sulphur dioxide is converted into sulphur trioxide
2. dirt
3. carbon monoxide
4. nitrogen oxides
Answer: sulphur dioxide is converted into sulphur trioxide
22. What is the indicator of pollution in water?
(a) Amount of oxygen
(b) Amount of hydrogen
(c) Amount of Biological oxygen demand
(d) Amount of nitrogen
Answer: Amount of Biological oxygen demand
23. Why do certain parts of water bodies contain more algae?
1. Due to favourable environment
2. Due to run-off excess fertilizers
3. Due to lack of fertilizers
4. Due to water pollution
Answer: (b) Due to run-off excess fertilizers
24. Which of the following Statement TRUE about photochemical smog?
1. It is reducing in nature
2. It is formed during winter
3. It is a mixture of smoke and fog
4. It causes irritation in the eyes
Answer: It causes irritation in the eyes
25. Which of the following statement FALSE?
1. Acid rain is mostly because of oxides of nitrogen and sulphur
2. Chlorofluorocarbons are responsible for ozone layer depletion
3. Greenhouse effect is responsible for global warming
4. Ozone layer does not permit infrared radiation from the sun to reach the earth.
Answer: The ozone layer does not permit infrared radiation from the sun to reach the earth.