CTET CTET Environmental Studies 2 — Questions and Answers
Question 1: Which layer of the atmosphere contains the ozone layer that protects Earth from UV radiation?
- Troposphere
- Stratosphere (Correct answer)
- Mesosphere
- Thermosphere
Correct answer: Stratosphere
The ozone layer is located in the stratosphere, approximately 15-35 km above Earth's surface.
Question 2: According to EVS pedagogy in CTET, which approach is most effective for teaching environmental concepts to primary students?
- Rote memorization of facts
- Hands-on experiential learning (Correct answer)
- Textbook reading only
- Lecture-based instruction
Correct answer: Hands-on experiential learning
EVS pedagogy emphasizes hands-on, activity-based experiential learning that connects children to real-world environments.
Question 3: The process by which water moves from the soil into plant roots and eventually into the atmosphere is called:
- Evaporation
- Condensation
- Transpiration (Correct answer)
- Precipitation
Correct answer: Transpiration
Transpiration is the process by which plants release water vapor through their stomata into the atmosphere.
Question 4: Which of the following is a biodegradable pollutant?
- Plastic bags
- Vegetable peels (Correct answer)
- Glass bottles
- Aluminum cans
Correct answer: Vegetable peels
Vegetable peels are biodegradable as they can be broken down by microorganisms naturally.
Question 5: The 'Silent Valley' national park, known for its rich biodiversity, is located in which Indian state?
- Karnataka
- Tamil Nadu
- Kerala (Correct answer)
- Andhra Pradesh
Correct answer: Kerala
Silent Valley National Park is located in the Nilgiri Hills of Kerala and is famous for its tropical rainforest biodiversity.
Question 6: In the context of CTET EVS, 'integration' means:
- Teaching EVS as a standalone subject
- Linking EVS themes with language, mathematics, and arts (Correct answer)
- Using only science books for EVS
- Separating natural and social sciences
Correct answer: Linking EVS themes with language, mathematics, and arts
Integration in EVS means connecting environmental themes across subjects like language, math, and arts for holistic learning.
Question 7: Which gas is primarily responsible for the greenhouse effect leading to global warming?
- Oxygen
- Nitrogen
- Carbon dioxide (Correct answer)
- Argon
Correct answer: Carbon dioxide
Carbon dioxide is the primary greenhouse gas responsible for trapping heat and contributing to global warming.
CTET CTET Environmental Studies 2
Which layer of the atmosphere contains the ozone layer that protects Earth from UV radiation?