NCERT Solutions for Class 10 English Main Course Book (MCB) Unit 15

Unit-4 Heroes of the Environment Class 10

Unit 15 Unit-4 Heroes of the Environment Exercise Answers & Summary

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Unit-4 : Solutions of Questions on Page Number : 133

Q1 :  

On the basis of your reading of the news story, complete the following table after a group discussion.

Adverse environmental effects of tourism and adventure sports.

  • Personal conquests seem to be more important than preserving the integrity of a natural site.

  • __________________________________

  • __________________________________

  • __________________________________

Ways to prevent it

  • Charge high climbing fees

  • __________________________________

  • __________________________________


Answer :

Adverse environmental effects of tourism and adventure sports.

  • Personal conquests seem to be more important than preserving the integrity of a natural site.

  • Water sports and mountaineering expeditions have caused to the nature and fauna residing the areas.

  • Usage of renewable sources of energy should be encouraged.

Ways to prevent it

  • Charge high climbing fees

  • Ban plastic and other non-renewable items.

  • Limit the number of travelers.

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Q2 :  

Now imagine you are in charge of a mountaineering expedition to Mount Everest. You have to address the first time climbers. Write the instructions that you would give to the climbers on keeping the track clean besides giving instructions on safety measures. Instruct how they can contribute in preventing the Everest from becoming, "The highest junkyard in the world".

What tense is commonly used in writing imperative sentences?

(a) Present Continuous

(b) Simple Past

(c) Simple Present


Answer :

(c)Simple Present

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Q3 :  

Now imagine you are in charge of a mountaineering expedition to Mount Everest. You have to address the first time climbers. Write the instructions that you would give to the climbers on keeping the track clean besides giving instructions on safety measures. Instruct how they can contribute in preventing the Everest from becoming, "The highest junkyard in the world".

Where do verbs most commonly come in these instructions?

(a) At the beginning of a sentence or a clause

(b) In the middle of a sentence or a clause


Answer :

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Q4 :  

Now imagine you are in charge of a mountaineering expedition to Mount Everest. You have to address the first time climbers. Write the instructions that you would give to the climbers on keeping the track clean besides giving instructions on safety measures. Instruct how they can contribute in preventing the Everest from becoming, "The highest junkyard in the world".

How long are the sentences?

(a) Very long

(b) Mixed length

(c) Short


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Q5 :  

Now imagine you are in charge of a mountaineering expedition to Mount Everest. You have to address the first time climbers. Write the instructions that you would give to the climbers on keeping the track clean besides giving instructions on safety measures. Instruct how they can contribute in preventing the Everest from becoming, "The highest junkyard in the world".

Why are the instructions so written /given?

(a) So that the reader can understand more easily

(b) So that the writer can write more easily


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Q6 :  

Now imagine you are in charge of a mountaineering expedition to Mount Everest. You have to address the first time climbers. Write the instructions that you would give to the climbers on keeping the track clean besides giving instructions on safety measures. Instruct how they can contribute in preventing the Everest from becoming, "The highest junkyard in the world".

What is the order of the instructions?

(a) Mixed order

(b) The order in which the instructions have to be carried out


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Q7 :  

Now imagine you are in charge of a mountaineering expedition to Mount Everest. You have to address the first time climbers. Write the instructions that you would give to the climbers on keeping the track clean besides giving instructions on safety measures. Instruct how they can contribute in preventing the Everest from becoming, "The highest junkyard in the world".

Are the instructions numbered?

(a) No

(b) Yes


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Q8 :  

Design a poster urging mountaineers to preserve the pristine glory of the mountainsides. Work in groups of 4-5


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Q9 :  

Design a poster urging mountaineers to preserve the pristine glory of the mountainsides. Work in groups of 4-5


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Q10 :  

Complete the tree of environment:

Need to rehabilitate the Environment

  • Things that came from the environment_______________

  • People did not get them because _________________

  • Therefore __________________________

Protecting forested mountains

  • Source of ______________________________

  • Deforestation leads to __________________

  • Hence government must _______________

Good Management of Natural Resources

  • Degraded environment results in _______

  • It leads to ___________________ and

  • Good management of natural resources means ____________________

  • It is essential for _______________________

  • Good management possible only when we have ___________________


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Q11 :  

What changes in the environment had Wangari Maathai noticed after growing up?


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Q12 :  

What is the importance of indigenous flora and fauna?


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Q13 :  

How did the campaign to save environment lead to the empowerment of women?


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Q14 :  

What transformation did Wangari Mathai see in people and the environment?


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Q15 :  

Match the 'environment words' with their meanings.

Words

Meanings

Ecology

A person who advocates preservation and careful management of natural resources.

Habitat

The variety and variability among living organisms and the ecological complexes in which they occur.

Herpetologist

The relationship of living things to one another and their environment, or the study of such relationships.

Extinct

Tropical evergreen trees or shrubs forming dense thickets along tidal shores.

Aquifer

A place where a population lives and its surroundings, both living and non-living.

Naturalist

A zoologist who studies reptiles and amphibians.

Biodiversity

Having no living representative.

Mangrove

An underground geological formation, containing water.

Conservationist

A person who studies plants and animals, especially outdoors.


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Q16 :  

After reading the interview of Wangari Maathai, you are inspired and motivated to do a summer training under her at one of the Research Stations. Write an email to Wangari Mathai. In your mail describe Wangari's influence on you and your desire to work under her and why you should be given a chance to work under her.


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<< Previous Chapter 14 : Unit-4 Treading The Green Path- Towards Preservation Next Chapter 16 : Unit-4 Let's Clean Up >>

Main Course Book (MCB) - English : CBSE NCERT Exercise Solutions & Summary for Class 10th for Unit-4 Heroes of the Environment will be available online in PDF book form soon. The solutions are absolutely Free. Soon you will be able to download the solutions.

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