Organic Chemistry - Environmental Chemistry

⏱ Time: 0s

Q1. What is the main environmental concern associated with plastic waste? (2022)

Solution:

Plastic waste poses multiple environmental concerns, including air pollution from incineration, soil degradation, and water contamination.

⏱ Time: 0s

Q2. What is the role of phytoplankton in the carbon cycle? (2020)

Solution:

Phytoplankton absorb carbon dioxide during photosynthesis, playing a crucial role in carbon storage in the ocean.

⏱ Time: 0s

Q3. What is the role of nitrogen oxides in the environment? (2021)

Solution:

Nitrogen oxides contribute to ozone formation, the greenhouse effect, and are a precursor to acid rain.

⏱ Time: 0s

Q4. Which of the following compounds is responsible for ozone depletion? (2019)

Solution:

Chlorofluorocarbons (CFCs) are known to deplete the ozone layer by breaking down ozone molecules in the stratosphere.

⏱ Time: 0s

Q5. Which of the following is a method to reduce carbon footprint? (2020)

Solution:

Increasing energy efficiency helps to reduce carbon emissions and thus lowers the carbon footprint.

⏱ Time: 0s

Q6. What is the effect of heavy metals in the environment? (2023)

Solution:

Heavy metals can be toxic to organisms, leading to bioaccumulation and harmful effects on ecosystems.

⏱ Time: 0s

Q7. What is the role of phytoplankton in the environment? (2019)

Solution:

Phytoplankton are crucial for oxygen production through photosynthesis and play a significant role in the carbon cycle.

⏱ Time: 0s

Q8. Which of the following compounds is responsible for ozone layer depletion? (2019)

Solution:

Chlorofluorocarbons (CFCs) are known to deplete the ozone layer by breaking down ozone molecules in the stratosphere.

⏱ Time: 0s

Q9. What is the primary source of sulfur dioxide in the atmosphere? (2020)

Solution:

Industrial processes, especially those involving the burning of fossil fuels, are the primary source of sulfur dioxide emissions.