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P S Verma and V K Agarwal solutions for Class 9 Science chapter 6 - Natural Resources

Class 9 Biology - Science Part 3

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P S Verma and V K Agarwal Class 9 Biology - Science Part 3

Class 9 Biology - Science Part 3 - Shaalaa.com

Chapter 6: Natural Resources

Short Questions Answer ( Carrying 3 Marks)Long Questions Answer ( Carrying 5 Marks)

Chapter 6: Natural Resources Exercise Short Questions Answer ( Carrying 3 Marks) solutions [Pages 336 - 367]

Short Questions Answer ( Carrying 3 Marks) | Q 1 | Page 366

Write down the composition of air.

Short Questions Answer ( Carrying 3 Marks) | Q 2 | Page 366

How does oxygen and carbon dioxide remain nearly constant in the atmosphere?

Short Questions Answer ( Carrying 3 Marks) | Q 3 | Page 366

How does the average temperature of Earth remain fairly steady?

Short Questions Answer ( Carrying 3 Marks) | Q 4 | Page 366

How are winds produced?

Short Questions Answer ( Carrying 3 Marks) | Q 5 | Page 366

Set up an experiment to measure gain and loss of heat by water, sand and air.

Short Questions Answer ( Carrying 3 Marks) | Q 6 | Page 366

Demonstrate the formation of convective currents.

Short Questions Answer ( Carrying 3 Marks) | Q 7 | Page 366

Enumerate the factors that influence movement of air.

Short Questions Answer ( Carrying 3 Marks) | Q 8 | Page 366

How is rain produced?

Short Questions Answer ( Carrying 3 Marks) | Q 9 | Page 366

Set up an experiment to demonstrate the effect of low pressure and particulate nuclei over water vapours.

Short Questions Answer ( Carrying 3 Marks) | Q 10 | Page 366

Describe the major components of air pollution.

Short Questions Answer ( Carrying 3 Marks) | Q 11 | Page 366

Write a brief note on acid rain.

Short Questions Answer ( Carrying 3 Marks) | Q 12 | Page 366

Explain what is smog. Give its effects.

Short Questions Answer ( Carrying 3 Marks) | Q 13 | Page 366

What are the effects of air pollution on human beings?

Short Questions Answer ( Carrying 3 Marks) | Q 14 | Page 366

Explain the direction of air movement during the day and night in coastal areas.

Short Questions Answer ( Carrying 3 Marks) | Q 15 | Page 366

Give role of atmosphere in climatic control.

Short Questions Answer ( Carrying 3 Marks) | Q 16 | Page 366

Briefly explain main layers of the atmosphere.

Short Questions Answer ( Carrying 3 Marks) | Q 17 | Page 366

Explain natural and human-made sources of air pollution.

Short Questions Answer ( Carrying 3 Marks) | Q 18 | Page 366

How are clouds formed?

Short Questions Answer ( Carrying 3 Marks) | Q 19 | Page 366

What is global warming? Give its effects.

Short Questions Answer ( Carrying 3 Marks) | Q 20 | Page 366

Briefly explain depletion of ozone layer and its effects.

Short Questions Answer ( Carrying 3 Marks) | Q 21 | Page 366

Explain phenomenon of acid rain.

Short Questions Answer ( Carrying 3 Marks) | Q 22 | Page 366

Explain rain water harvesting.

Short Questions Answer ( Carrying 3 Marks) | Q 23 | Page 366

What is climate?

Short Questions Answer ( Carrying 3 Marks) | Q 24 | Page 366

Define the Weather.

Short Questions Answer ( Carrying 3 Marks) | Q 25 | Page 366

How are CFCs harmful?

Short Questions Answer ( Carrying 3 Marks) | Q 26 | Page 366

What is weathering? Elucidate in the various types of weathering.

Short Questions Answer ( Carrying 3 Marks) | Q 27 | Page 366

What is soil erosion? Explain means of preventing it.

Short Questions Answer ( Carrying 3 Marks) | Q 28 | Page 366

How do organisms contribute in the formation of soil?

Short Questions Answer ( Carrying 3 Marks) | Q 29 | Page 366

Discuss how water is replenished in sea

Short Questions Answer ( Carrying 3 Marks) | Q 30 | Page 366

Write a note on nitrogen fixation?

Short Questions Answer ( Carrying 3 Marks) | Q 31 | Page 366

How is nitrogen replenished in atmosphere.

Short Questions Answer ( Carrying 3 Marks) | Q 32 | Page 366

Describe the methods of carbon replenishment of atmosphere.

Short Questions Answer ( Carrying 3 Marks) | Q 33 | Page 366

What are the possible dangers of global warming?

Short Questions Answer ( Carrying 3 Marks) | Q 34 | Page 366

How is carbon dioxide concentration of atmosphere rising?

Short Questions Answer ( Carrying 3 Marks) | Q 35 | Page 336

Why is ozone layer called ozone umbrella/shield?

Short Questions Answer ( Carrying 3 Marks) | Q 36 | Page 366

What would be the effects on widening of ozone hole?

Short Questions Answer ( Carrying 3 Marks) | Q 37 | Page 366

Explain water cycle in detail.

Short Questions Answer ( Carrying 3 Marks) | Q 38.1 | Page 366

Draw diagram of Nitrogen cycle.

Short Questions Answer ( Carrying 3 Marks) | Q 38.2 | Page 366

Draw diagram of carbon cycle.

Short Questions Answer ( Carrying 3 Marks) | Q 39 | Page 367

Name four types of bacteria involved in nitrogen cycle.

Short Questions Answer ( Carrying 3 Marks) | Q 40 | Page 367

Draw a diagrammatic sketch of oxygen cycle in nature.

Short Questions Answer ( Carrying 3 Marks) | Q 41 | Page 367

Make sketch of hydrological cycle in nature.

Short Questions Answer ( Carrying 3 Marks) | Q 42 | Page 367

Briefly describe three aspects of nutrient cycles.

Short Questions Answer ( Carrying 3 Marks) | Q 43 | Page 367

Describe biological water cycles.

Chapter 6: Natural Resources Exercise Long Questions Answer ( Carrying 5 Marks) solutions [Page 367]

Long Questions Answer ( Carrying 5 Marks) | Q 1 | Page 367

Prepare a flow chart of various natural resources.

Long Questions Answer ( Carrying 5 Marks) | Q 2 | Page 367

Why is air called breath of life? Enumerate functions of air or atmosphere.

Long Questions Answer ( Carrying 5 Marks) | Q 3 | Page 367

Describe the causes and effects of air pollution.

Long Questions Answer ( Carrying 5 Marks) | Q 4 | Page 367

Explain ozone layer, its depletion and effects of ozone depletion.

Long Questions Answer ( Carrying 5 Marks) | Q 5 | Page 367

Give an account of various sources and harmful effects of water pollution.

Long Questions Answer ( Carrying 5 Marks) | Q 6 | Page 367

Explain the following :

(i) Eutrophication ;

(ii) Biomagnification

Long Questions Answer ( Carrying 5 Marks) | Q 8 | Page 367

What is soil? How does it form?

Long Questions Answer ( Carrying 5 Marks) | Q 9 | Page 367

Give various sources and harmful effects of soil pollution.

Long Questions Answer ( Carrying 5 Marks) | Q 10 | Page 367

Define soil erosion. Give its causes, effects and preventive measures.

Long Questions Answer ( Carrying 5 Marks) | Q 11 | Page 367

Describe nitrogen cycle.

Long Questions Answer ( Carrying 5 Marks) | Q 12 | Page 367

Mention briefly the role of decomposers of cycling of materials.

Chapter 6: Natural Resources

Short Questions Answer ( Carrying 3 Marks)Long Questions Answer ( Carrying 5 Marks)

P S Verma and V K Agarwal Class 9 Biology - Science Part 3

Class 9 Biology - Science Part 3 - Shaalaa.com

P S Verma and V K Agarwal solutions for Class 9 Science chapter 6 - Natural Resources

P S Verma and V K Agarwal solutions for Class 9 Science chapter 6 (Natural Resources) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CBSE Class 9 Biology - Science Part 3 solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. P S Verma and V K Agarwal textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 9 Science chapter 6 Natural Resources are Ozone Layer, Biogeochemical Cycles - The Oxygen-cycle, Biogeochemical Cycles - The Carbon-cycle, Biogeochemical Cycles - The Nitrogen-cycle, Biogeochemical Cycles - The Water-cycle, Mineral Riches in the Soil, Introduction of Water Pollution and Its Control, Water - A Wonder Liquid, Introduction of Air Pollution and Its Control, Movements of Air (Winds) and Its Role in Bringing Rains Across India, The Role of the Atmosphere in Climate Control, The Breath of Life - Air, Our Environment (Introduction), Biogeochemical Cycle.

Using P S Verma and V K Agarwal Class 9 solutions Natural Resources exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in P S Verma and V K Agarwal Solutions are important questions that can be asked in the final exam. Maximum students of CBSE Class 9 prefer P S Verma and V K Agarwal Textbook Solutions to score more in exam.

Get the free view of chapter 6 Natural Resources Class 9 extra questions for Science and can use Shaalaa.com to keep it handy for your exam preparation

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