Practice Questions: Green Skills | Artificial Intelligence (AI) for Class 9 PDF Download

Q1: Which of the following is not a man-made factor causing ecological imbalance?
(a) Deforestation
(b) Earthquake
(c) Industrial Pollution
(d) Faulty Mining Practices

Ans: (b) Earthquake
Earthquakes are natural disturbances, whereas the rest are caused by human activities.

Q2: Which human activity has led to the extinction threat of many bird and animal species?
(a) Rainwater harvesting
(b) Soil conservation
(c) Deforestation
(d) Organic farming

Ans: (c) Deforestation
Deforestation leads to loss of habitat, which puts many species at risk of extinction.

Q3: What does green economy mainly aim to promote?
(a) Higher taxes
(b) Fossil fuel usage
(c) Employment and sustainability
(d) Export of natural resources

Ans: (c) Employment and sustainability
A green economy promotes sustainable development and job opportunities while conserving resources.

Q4: What is not a method of land conservation?
(a) Promoting afforestation
(b) Encouraging deforestation
(c) Improving soil quality
(d) Supporting eco-balance

Ans: (b) Encouraging deforestation
Deforestation harms land quality and disturbs ecological balance.

Q5: Which of the following practices helps in water conservation?
(a) Overuse of groundwater
(b) Building more dams
(c) Rainwater harvesting
(d) Deforestation near rivers

Ans: (c) Rainwater harvesting
Rainwater harvesting collects and stores rainwater, conserving water for future use.

Q6: Which one of these is a non-renewable source of energy?
(a) Solar energy
(b) Wind energy
(c) Fossil fuels
(d) Wave energy

Ans: (c) Fossil fuels
Fossil fuels are non-renewable; once used, they cannot be replaced easily.

Q7: What is a major concern caused by faulty mining practices?
(a) Improved soil quality
(b) Better crop yield
(c) Land degradation and pollution
(d) Reforestation

Ans: (c) Land degradation and pollution
Mining dust and waste degrade land and pollute air and water sources.

Q8: Which of the following resources is not considered a natural resource that needs conservation?
(a) Land
(b) Air
(c) Plastic
(d) Energy

Ans: (c) Plastic
Plastic is man-made, while air, land, and energy are natural resources.

Q9: What does the relationship between society and environment show?
(a) Society never affects the environment
(b) Environment only shapes society, not the other way
(c) Beliefs and actions of people impact the environment
(d) Technology is the only cause of pollution

Ans: (c) Beliefs and actions of people impact the environment
The lifestyle and values of society directly influence how the environment is treated.

Q10: What is the main objective of practicing energy conservation?
(a) Increase use of petroleum
(b) Reduce renewable energy use
(c) Promote alternative energy sources
(d) Stop using electricity

Ans: (c) Promote alternative energy sources
Energy conservation includes using solar, wind, and wave energy to reduce dependency on non-renewable sources.