Biology Class 12 NCERT Solutions: Chapter 15 Biodiversity and Conservation Part 3
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Q.9 What measures, as an individual, you would take to reduce environmental pollution?
Answer:
Image of Reduce Environmental Pollution
The following initiatives can be taken to prevent environmental pollution:
Measures for preventing Air pollution
Planting more trees
Use of clean and renewable energy sources such as CNG and bio-fuels
Reducing the use of fossil fuels
Use of catalytic converters in automobiles
Measures for preventing water pollution
Optimizing the use of water
Using kitchen waste water in gardening and other household purposes
Measures for controlling Noise pollution
Avoid burning crackers on Diwali
Plantation of more trees
Measures for decreasing solid waste generation
Segregation of waste
Recycling and reuse of plastic and paper
Composting of biodegradable kitchen waste
Reducing the use of plastics
Q.10 Can you think of a situation where we deliberately want to make a species extinct? How would you justify it?
Answer:
Yes, there are various kinds of parasites and disease-causing microbes that we deliberately want to eradicate from the Earth.
Since these micro-organisms are harmful to human beings, scientists are working hard to fight against them.
Scientists have been able to eliminate small pox virus from the world through the use of vaccinations.
This shows that humans deliberately want to make these species extinct. Several other eradication programmes such as polio and Hepatitis B vaccinations are aimed to eliminate these disease-causing microbes.