CTET CTET Environmental Studies 3 — Questions and Answers
Question 1: Which organization in India is responsible for setting environmental standards and regulations?
- ISRO
- Central Pollution Control Board (CPCB) (Correct answer)
- CSIR
- DRDO
Correct answer: Central Pollution Control Board (CPCB)
The Central Pollution Control Board (CPCB) is the apex body under the Ministry of Environment for setting pollution standards in India.
Question 2: A food chain always begins with:
- Herbivores
- Carnivores
- Producers (green plants) (Correct answer)
- Decomposers
Correct answer: Producers (green plants)
Food chains always start with producers (green plants) that convert solar energy into food through photosynthesis.
Question 3: The concept of 'sustainable development' means:
- Using all natural resources as fast as possible
- Meeting present needs without compromising future generations' ability to meet theirs (Correct answer)
- Stopping all development activities
- Only industrial development
Correct answer: Meeting present needs without compromising future generations' ability to meet theirs
Sustainable development means meeting current needs while ensuring future generations can also meet their needs, balancing growth with conservation.
Question 4: Which of the following states in India receives the highest annual rainfall?
- Rajasthan
- Meghalaya (Correct answer)
- Gujarat
- Haryana
Correct answer: Meghalaya
Meghalaya, particularly Mawsynram and Cherrapunji, receives the highest annual rainfall in India due to monsoon geography.
Question 5: The EVS curriculum for Classes 3-5 as per NCF 2005 is primarily organized around:
- Chapters on physics and chemistry
- Six thematic areas including family, food, water, shelter, travel, and things we make (Correct answer)
- Alphabetical listing of animals
- Historical events only
Correct answer: Six thematic areas including family, food, water, shelter, travel, and things we make
NCF 2005 organizes EVS around six themes: family and friends, food, shelter, water, travel, and things we make and do.
Question 6: Biogas is primarily composed of which gas?
- Carbon dioxide
- Methane (Correct answer)
- Hydrogen
- Nitrogen
Correct answer: Methane
Biogas consists primarily of methane (about 60-70%), produced by the anaerobic decomposition of organic matter.
Question 7: Which type of soil is best suited for growing cotton in India?
- Red soil
- Alluvial soil
- Black (Regur) soil (Correct answer)
- Laterite soil
Correct answer: Black (Regur) soil
Black or Regur soil, found in the Deccan Plateau, retains moisture well and is ideal for cotton cultivation.
CTET CTET Environmental Studies 3
Which organization in India is responsible for setting environmental standards and regulations?