Need to Manage Natural Resources

Q.

(a) What is a natural resource? Name three important natural resources.
(b) Why do we need to manage our natural resources?

Q.

What Are the Positive and Negative Effects of LPG?

Q. Which of the following steps should be taken by the government to prevent pollution?

1. Awareness programs should be conducted in schools, offices, etc.
2. Discourage citizens to participate in waste management.
3. Citizens should be urged to segregate waste.
4. Encourage citizens to follow the 3 R principle.

Q.

What are the different techniques used for measurement?

Q. What is watershed management? Write it's advantages.

Q.

Arrange the following modes of transportation from the earliest to the newest ones.

1. Roadways, Airways, Waterways

2. Airways, Waterways, Roadways

3. Roadways, Waterways, Airways

4. Waterways, Roadways, Airways

Q.

Which of the following is a result of exploitation of natural resources?

1. Environmental degradation

2. Depletion of natural resource

3. Damage to wildlife

4. All of These

Q. Select the eco-friendly activity among the following:

1. Using car for transportation.
2. Using polybags for shopping.
3. Using dyes for colouring clothes.
4. Using windmills to generate power for irrigation

Q.

Although coal and petroleum are produced by degradation of biomass, yet we need to conserve them. Why?

Q.

Give reasons for the following:

Motion of leaves blowing in the wind is said to be non-periodic.

Q.

Which of the following things released due to mining causes major environmental degradation?

1. Slag

2. Dust

3. None of These

4. Mining waste

Q.

Which of the following is not a natural resource?
(a) soil
(b) water
(c) electricity
(d) natural gas

Q.

Why do we need management of natural resource?

1. Ensures equitable distribution of resources, So that all sections of society benefit from the development of these resources.

2. Ensures that resource last for generations to come and will not merely be exploited to the hilt for short term gains

3. Since the human population is exponentially increasing and resources are limited, the demand for all resources are increasing exponentially. Thus management of natural resources are necessary.

4. All of these

Q.

Which of the following is most responsible for depletion of natural resources?

1. Scavengers

2. Animals

3. Humans

4. Both Options 1 & 2

Q.

Write a short note on the importance of water and the effect of human intervention on water sources. [3 MARKS]

Q. According to conversion of units of measurement:
$5924m=\underset{–}{}$

1. $5.924km$
2. $59.24km$
3. $0.5924km$
4. $592.4km$

Q. Over exploitation of natural resources causes ........................ problems

Q.

According to conversion of units of measurement:
$1mm$=____ $cm$

1. $10$

2. $0.1$

3. $1000$

4. $100$

Q. The Sun is the ultimate source of energy on Earth.

1. True
2. False

Q.

In the process of extraction of Cu, FeSi0₃ is produced as slag.Which of the below mentioned way can we handle it?

1. FeSi0₃ can be used as a raw material for the extraction of Silica thereby reducing the amount wasted.

2. Slag should be disposed properly so it doesn't cause much pollution.

3. Both of these.

4. None of these.

Q.

Which component of the sunlight contributes maximum toward heating water?

Q. What is meant by "sustainable management"?

Q. Statement 1: Humans cannot alter the natural cycles no matter how hard they try.

Statement 2: Humans can distort water-cycle by irresponsible use, deforestation, dam construction etc.

1. Statement 1 is correct but statemenet 2 is wrong.
2. Statement 1 is wrong but statement 2 is correct.
3. Both the statements are correct.
4. Both the statements are wrong.

Q.

Question 4
Why do you think there should be equitable distribution of resources? What forces would be working against an equitable distribution of our resources?

Q.

The most rapidly dwindling natural resorce in the world is:
(a) water
(b) soil
(c) sunlight
(d) forests

Q. What is water shed management ? List any two advantages to it ?

Q. State the following statement is True or False:
Mining causes environmental pollution because of the large amount of slag which is discarded for every tonne of the metal extracted.

1. True
2. False

Q.

In the Stratosphere, which of the following elements acts as a catalyst in the degradation of ozone and the release of molecular Oxygen?

1. Cl

2. Fe

3. Oxygen

4. Carbon

Q.

Define sustainable management.

Q. Which of the following is the world’s most rapidly diminishing natural resource?

1. Tidal energy
2. Forests
3. Wind
4. Sunlight