Environmental Awareness Days & Initiatives — Homi Bhabha Class 9 General Knowledge MCQs with Solutions
Free Homi Bhabha Class 9 General Knowledge Environmental Awareness Days & Initiatives MCQs with step-by-step solutions (25 questions). Part of Environmental Awareness & Institutions. Practise online on Prepizo — no login needed.
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Questions with solutions
Q1 — Environmental Awareness Days & Initiatives · medium · theory
World Environment Day is observed every year on:
A. 15 August
B. 1 January
C. 22 April
D. 5 June ✓ Correct
Solution: World Environment Day is celebrated on 5 June to promote environmental awareness.
Q2 — Environmental Awareness Days & Initiatives · medium · theory
Earth Day, celebrated to support environmental protection, falls on:
A. 14 November
B. 2 October
C. 22 April ✓ Correct
D. 5 June
Solution: Earth Day is observed on 22 April every year.
Q3 — Environmental Awareness Days & Initiatives · hard · theory
World Water Day, highlighting the importance of fresh water, is observed on:
A. 16 September
B. 21 March
C. 5 June
D. 22 March ✓ Correct
Solution: World Water Day is observed on 22 March.
Q4 — Environmental Awareness Days & Initiatives · hard · theory
World Ozone Day, to spread awareness about the ozone layer, is observed on:
A. 16 September ✓ Correct
B. 22 April
C. 5 June
D. 22 March
Solution: World Ozone Day is on 16 September, marking the Montreal Protocol.
Q5 — Environmental Awareness Days & Initiatives · medium · theory
The Indian government cleanliness campaign launched in 2014 is called:
A. Green India Mission
B. Namami Gange
C. Swachh Bharat Abhiyan ✓ Correct
D. Project Tiger
Solution: Swachh Bharat Abhiyan is the nationwide cleanliness drive launched in 2014.
Q6 — Environmental Awareness Days & Initiatives · hard · theory
The mission launched by the Indian government to clean and protect the river Ganga is:
A. Project Tiger
B. Swachh Bharat
C. Namami Gange ✓ Correct
D. Chipko Movement
Solution: Namami Gange is the flagship programme to clean and conserve the Ganga.
Q7 — Environmental Awareness Days & Initiatives · medium · theory
The Indian conservation programme launched to protect tigers is known as:
A. Silent Valley
B. Project Elephant only
C. Project Tiger ✓ Correct
D. Van Mahotsav
Solution: Project Tiger was launched in 1973 to conserve the Bengal tiger.
Q8 — Environmental Awareness Days & Initiatives · hard · theory
The famous movement in which villagers hugged trees to prevent them from being cut down was the:
A. Green Revolution
B. Quit India Movement
C. Blue Revolution
D. Chipko Movement ✓ Correct
Solution: In the Chipko Movement, people embraced trees to stop deforestation.
Q9 — Environmental Awareness Days & Initiatives · medium · theory
The annual tree-planting festival celebrated in India is called:
A. Van Mahotsav ✓ Correct
B. Baisakhi
C. Pongal
D. Diwali
Solution: Van Mahotsav is a week-long tree-planting festival held every year.
Q10 — Environmental Awareness Days & Initiatives · hard · theory
The global event in which people switch off lights for one hour to save energy is called:
A. Ozone Day
B. Earth Hour ✓ Correct
C. Earth Day
D. World Environment Day
Solution: Earth Hour encourages switching off non-essential lights for one hour to raise climate awareness.
Q11 — Environmental Awareness Days & Initiatives · medium · theory
The three "R"s promoted for protecting the environment are Reduce, Reuse and:
A. Repair
B. Reject
C. Remove
D. Recycle ✓ Correct
Solution: The three R's are Reduce, Reuse and Recycle.
Q12 — Environmental Awareness Days & Initiatives · hard · theory
The index used in India to inform the public about daily air pollution levels is the:
A. Air Quality Index (AQI) ✓ Correct
B. Consumer Price Index
C. Body Mass Index
D. Human Development Index
Solution: The Air Quality Index (AQI) reports how polluted the air is on a given day.
Q13 — Environmental Awareness Days & Initiatives · medium · theory
World Wildlife Day, to celebrate wild animals and plants, is observed on:
A. 22 April
B. 5 June
C. 2 October
D. 3 March ✓ Correct
Solution: World Wildlife Day is observed on 3 March.
Q14 — Environmental Awareness Days & Initiatives · hard · theory
The International Day of Forests, highlighting the importance of forests, is observed on:
A. 16 September
B. 5 June
C. 22 April
D. 21 March ✓ Correct
Solution: The International Day of Forests is observed on 21 March.
Q15 — Environmental Awareness Days & Initiatives · medium · theory
Using cloth bags instead of plastic bags mainly helps to:
A. reduce plastic pollution ✓ Correct
B. waste more resources
C. harm the soil
D. increase pollution
Solution: Reusable cloth bags cut down on non-biodegradable plastic waste.
Q16 — Environmental Awareness Days & Initiatives · easy · theory
World Environment Day, observed every year to encourage people to protect nature, falls on:
A. 16 September
B. 22 April
C. 5 June ✓ Correct
D. 22 March
Solution: World Environment Day is observed globally on 5 June to encourage awareness and action for the environment.
Q17 — Environmental Awareness Days & Initiatives · easy · theory
Earth Day, one of the largest environmental awareness events in the world, is celebrated on:
A. 5 June
B. 2 December
C. 22 April ✓ Correct
D. 3 March
Solution: Earth Day is marked every year on 22 April to promote care for the planet.
Q18 — Environmental Awareness Days & Initiatives · easy · theory
WWF, an international organisation working to protect wildlife and nature, is well known for a logo showing a:
A. Bengal tiger
B. giant panda ✓ Correct
C. blue whale
D. African elephant
Solution: The giant panda has been the logo of WWF (World Wide Fund for Nature) since 1961.
Q19 — Environmental Awareness Days & Initiatives · easy · theory
In the Chipko movement, an early Indian environmental movement, villagers hugged trees to stop them from being:
A. watered
B. cut down ✓ Correct
C. planted
D. painted
Solution: In the Chipko movement, villagers hugged trees to stop contractors from cutting them down.
Q20 — Environmental Awareness Days & Initiatives · medium · theory
World Ozone Day (16 September) marks the Montreal Protocol, an international treaty made to protect the ozone layer by phasing out:
A. water vapour
B. chlorofluorocarbons (CFCs) ✓ Correct
C. carbon dioxide
D. oxygen gas
Solution: The Montreal Protocol phased out ozone-destroying chlorofluorocarbons (CFCs); World Ozone Day marks its signing.
Q21 — Environmental Awareness Days & Initiatives · medium · theory
The IPCC, which prepares major scientific reports used to guide climate action worldwide, stands for the:
A. International Plastic Cleanup Campaign
B. Institute for Petroleum and Coal Chemistry
C. Intergovernmental Panel on Climate Change ✓ Correct
D. Indian Pollution Control Commission
Solution: IPCC stands for Intergovernmental Panel on Climate Change, the UN body that reviews climate science.
Q22 — Environmental Awareness Days & Initiatives · medium · numerical
On National Pollution Control Day a factory cuts its smoke output from 800 kg per day to 600 kg per day. The percentage reduction in emission is:
A. 20%
B. 33%
C. 25% ✓ Correct
D. 75%
Solution: Reduction = 800 - 600 = 200 kg; percentage = 200/800 × 100 = 25%.
Q23 — Environmental Awareness Days & Initiatives · hard · theory
Assertion (A): The Ramsar Convention is an international agreement for the conservation of wetlands. Reason (R): Wetlands act as natural water filters and provide habitat for many birds and aquatic species. Choose the correct option:
A. Both A and R are true, and R correctly explains A ✓ Correct
B. A is true but R is false
C. Both A and R are false
D. Both A and R are true, but R does not explain A
Solution: The Ramsar Convention protects wetlands, and it exists precisely because wetlands filter water and shelter wildlife, so R explains A.
Q24 — Environmental Awareness Days & Initiatives · hard · numerical
A constructed wetland cleans water so that water entering it with 120 mg/L of a pollutant leaves with only 30 mg/L. The fraction of the pollutant removed by the wetland is:
A. 1/2
B. 1/4
C. 1/3
D. 3/4 ✓ Correct
Solution: Removed = 120 - 30 = 90 mg/L; fraction removed = 90/120 = 3/4.
Q25 — Environmental Awareness Days & Initiatives · hard · theory
Which option correctly pairs an environmental awareness day with its main focus?
A. World Wildlife Day (3 March) — protection of wild animals and plants ✓ Correct
B. World Water Day (22 March) — reducing noise pollution
C. Earth Day (22 April) — conserving nuclear fuel
D. World Ozone Day (16 September) — planting mangrove forests
Solution: World Wildlife Day (3 March) is dedicated to celebrating and protecting wild animals and plants.