Daily Practice MCQ Set-1 for Environmental Studies EVS for CTET and TETs
- Question: Which of the following is a renewable source of energy?
- A) Coal
- B) Natural Gas
- C) Solar
- D) Nuclear
- Answer: C) Solar Explanation: Solar energy is derived from the sun and is continuously replenished, making it a renewable source of energy. Coal, natural gas, and nuclear energy are derived from finite resources and are non-renewable.
- Question: What is the primary cause of ozone depletion in the Earth’s atmosphere?
- A) Carbon Dioxide emissions
- B) Nitrogen Oxide emissions
- C) Chlorofluorocarbons (CFCs)
- D) Methane emissions
- Answer: C) Chlorofluorocarbons (CFCs) Explanation: Chlorofluorocarbons (CFCs) released from products like aerosol sprays and refrigerants are the primary cause of ozone depletion, leading to the formation of the ozone hole in the atmosphere.
- Question: Which of the following is NOT a greenhouse gas?
- A) Carbon Dioxide (CO2)
- B) Methane (CH4)
- C) Oxygen (O2)
- D) Nitrous Oxide (N2O)
- Answer: C) Oxygen (O2) Explanation: Oxygen (O2) is not a greenhouse gas. Carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O) are all greenhouse gases that contribute to global warming.
- Question: What is the main cause of soil erosion?
- A) Deforestation
- B) Urbanization
- C) Overgrazing
- D) Agriculture
- Answer: A) Deforestation Explanation: Deforestation, the process of cutting down trees, removes the protective cover of vegetation, leading to soil erosion. While urbanization, overgrazing, and agriculture also contribute to soil erosion, deforestation has a more significant impact.
- Question: Which of the following is an example of non-biodegradable waste?
- A) Paper
- B) Vegetable peels
- C) Plastic bottles
- D) Fallen leaves
- Answer: C) Plastic bottles Explanation: Non-biodegradable waste does not decompose easily and can persist in the environment for a long time. Plastic bottles are a common example of non-biodegradable waste, whereas paper, vegetable peels, and fallen leaves are biodegradable and can decompose naturally.