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NCERT solutions for Class 7 Science chapter 17 - Forests: Our Lifeline

Science Textbook for Class 7

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Chapters

NCERT Science Class 7

Science Textbook for Class  7

Chapter 17 : Forests: Our Lifeline

Pages 217 - 219

Q 1 | Page 217

Explain how animals dwelling in the forest help it grow and regenerate.

Q 2 | Page 217

Explain how forests prevent floods.

Q 3 | Page 217

What are decomposers? Name any two of them. What do they do in the forest?

Q 4 | Page 217

Explain the role of forest in maintaining the balance between oxygen and carbon dioxide in the atmosphere.

Q 5 | Page 217

Explain why there is no waste in a forest.

Q 6 | Page 217

List five products we get from forests.

Q 7.1 | Page 218

Fill in the blank:

The insects, butterflies, honeybees and birds help flowering plants in _______.

Q 7.2 | Page 218

Fill in the blank:

A forest is a purifier of _______ and ________.

Q 7.3 | Page 218

Fill in the blank:

Herbs form the ________ layer in the forest.

Q 7.3 | Page 218

Fill in the blank:

Herbs form the ________ layer in the forest.

Q 7.4 | Page 218

Fill in the blank:

The decaying leaves and animal droppings in a forest enrich the _______.

Q 9 | Page 218

Explain why there is a need of variety of animals and plants in a forest.

Q 9 | Page 218

Why should we worry about the conditions and issues related to forests far from us?

Q 10 | Page 218

In figure, the artist has forgotten to put the labels and directions on the arrows. Mark the directions on the arrows and label the diagram using the following labels

clouds, rain, atmosphere, carbon dioxide, oxygen, plants, animals, soil, roots, water table

Q 11 | Page 218

Which of the following is not a forest product?

1) Gum

2) Plywood

3) Sealing wax

4) Kerosene

Q 12 | Page 218

Which of the following statements is not correct?

1) Forests protect the soil from erosion.

2) Plants and animals in a forest are not dependent on one another.

3) Forests influence the climate and water cycle.

4) Soil helps forests to grow and regenerate.

Q 13 | Page 219

Micro-organisms act upon the dead plants to produce

1) sand

2) mushrooms

3) humus

4) wood

NCERT Science Class 7

Science Textbook for Class  7

NCERT solutions for Class 7 Science chapter 17 - Forests: Our Lifeline

NCERT solutions for Class 7 Science chapter 17 (Forests: Our Lifeline) 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 Science Textbook for Class 7 solutions in a manner that help students grasp basic concepts better and faster.

Further, we at shaalaa.com are providing such solutions so that students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 7 Science chapter 17 Forests: Our Lifeline are Concept of Forest.

Using NCERT Class 7 solutions Forests: Our Lifeline 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 NCERT Solutions are important questions that can be asked in the final exam. Maximum students of CBSE Class 7 prefer NCERT Textbook Solutions to score more in exam.

Get the free view of chapter 17 Forests: Our Lifeline Class 7 extra questions for Science and can use shaalaa.com to keep it handy for your exam preparation

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