CBSE Class 10 Science Chapter 16 Management Of Natural Resources Very Short Answer Questions

CBSE Class 10 Science Chapter 16 Management Of Natural Resources Very Short Question And Answers

Question 1. State one reason for the conservation of forests and wildlife.
Answer: Restoring of ecological balance.

Question 2. List two items that can easily be recycled, but we generally throw them in the dustbins.
Answer: Polythene bags/paper bags/soft drink bottles/glass jars.

Question 3. Name two gases other than CO₂ produced by the burning of coal and petroleum.
Answer: Sulphur dioxide and nitrogen oxide.

Question 5. Why should biodegradable and noil-biodegradable wastes be discarded in two separate dustbins?
Answer:

Biodegradable wastes can be dumped to convert them into manure, whereas non-biodegradable waste is to be dumped separately as it persists in the environment for a long time and harms the environment.

Question 6. Name the group of bacteria the presence of which confirms the contamination of the water of a river.
Answer:  Coliform bacteria.

Read and Learn More CBSE Class 10 Science Very Short Answer Questions

Question 7. What is meant by ‘biodiversity hotspots’?
Answer:  It is a biogeographic region that is a significant reservoir of biodiversity.

Question 8. What is the mode of nutrition in human beings?
Answer: Heterotrophic.

Question 9. Write two methods of waste disposal.
Answer:

1. Ideal method:

1. Recycling the wastes
2. Reuse after repairing if required

2. Traditional methods:

1. Throwing them in the dustbin and dumping them in the sanitary landfills.
2. Burning or flowing water or rivers.

Question 10. State one reason for the conservation of forests and wildlife.
Answer: Restoring of ecological balance.

Question 11. Why do we need alternative sources of energy?
Answer: Our resources are not unlimited and with the increase in population, the demand for all resources is increasing at an exponential rate, so we need alternative sources of energy.

Question 12. Give one protective function of the forest.
Answer: Forest is the habitat of many wildlife species of animals and plants, that are not found elsewhere, and plays an important role in maintaining a balance in biodiversity.

Question 13. Define sustainable development.
Answer: It encourages forms of growth that meet current basic human needs while preserving the resources for the needs of future generations.

Question 14. Name any two household wastes that can be easily recycled but are generally thrown in the dustbins by us.
Answer: Paper, plastic and (broken) glass, etc

Question 15. What would be the advantages of exploiting resources with short-term aims?
Answer: The only advantage of exploiting resources with short-term aims would be to exploit resources for immediate advantage, which meets only current basic human needs.

Question 15. How would these advantages differ from the advantages of using a long-term perspective in managing our resources?
Answer:  Short-term aim looks after only the needs of the present population, whereas management of resources having a long-term perspective is aimed fulfill the needs of present as well as generations to come.

Question 16. On the basis of the issues raised in this chapter, what changes would you incorporate in your lifestyle in a move towards a sustainable use of our resources?
Answer: Going beyond laws, rules, and regulations, I will have to tailor my requirements in such a manner that I use the bare minimum of natural resources to fulfil my daily requirements.

Question 17. Accumulation of harmful chemicals in our bodies can be avoided. Explain how this can be achieved.
Answer: By crop rotation, usage of bio-pesticides, bio-fertilizers, and manures.

Question 18. Distinguish between biodegradable and non-biodegradable substances. Give two points of difference.
Answer:  Biodegradable substances are broken down by microorganisms and replenish soil. Non-biodegradable substances do not get broken down by microorganisms, enter the food chain, and cause pollution.

Question 19. Make a list of produce that you use.
Answer: Various forest products we use are tendu leaves, timber, herbal medicines, honey, and gum.

Question 20. Suggest some approaches towards the conservation of forests.
Answer:

By law enforcement.

Reforesting those forest lands from where numerous trees have been cut (silviculture).

Question 21. What is the slogan ofChipko Movement?
Answer: Five Fs—food, food, fuel, fiber, and a fertilizer.

Question 22. What does the high level of total coliform count in River Ganga indicate?
Answer: It indicates that water is contaminated by disease-causing microorganisms.

Question 23. What are ‘biodiversity hotspots’? What is the measure of the biodiversity?
Answer: Forests are ‘biodiversity hotspots’. One measure of the biodiversity of an area is the number of species found there.