Check the below NCERT MCQ Questions for Class 7 Science Chapter 17 Forests: Our Lifeline with Answers Pdf free download. MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. We have Provided Forests: Our Lifeline Class 7 Science MCQs Questions with Answers to help students understand the concept very well.
Class 7 Science Chapter 17 MCQ With Answers
You can refer to NCERT Solutions for Class 7 Science Chapter 17 Forests: Our Lifeline to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.
Science Class 7 Chapter 17 MCQs on Forests: Our Lifeline
Choose the correct answer:
Question 1.
Which one of the following is not a wild animal?
(a) Bear
(b) Bison
(c) Jackal
(d) Goat
Answer
Answer: (d) Goat
Question 2.
Which one of the following is an animal product?
(a) Gum
(b) Catechu
(c) Honey
(d) Rubber
Answer
Answer: (c) Honey
Question 3.
Roof of the forest made by the branches of the tall trees is called
(a) canopy
(b) crown
(c) understoreys
(d) none of these
Answer
Answer: (a) canopy
Question 4.
Understoreys are formed due to
(a) different types of crowns
(b) different sizes of crown
(c) different heights of trees
(d) all of these
Answer
Answer: (d) all of these
Question 5.
Decomposers convert the dead plant and animal tissues into
(a) clay
(b) humus
(c) inorganic debris
(d) soil
Answer
Answer: (b) humus
Question 6.
Arrange the following components of a food chain in proper sequence – grass, frog, eagle, insects, snake.
(a) Grass → insects → frog → snake → eagle.
(b) Grass → snake → insects → frog → eagle.
(c) Grass → snake → eagle → insects → frog.
(d) All are possible
Answer
Answer: (a) Grass → insects → frog → snake → eagle.
Question 7.
Sequence that represents the series of eating and being eaten is called
(a) food series
(b) food chain
(c) food web
(d) food hub
Answer
Answer: (b) food chain
Question 8.
Which one of the following is a role of forests?
(a) Provide food, shelter, water and medicines
(b) Prevent soil erosion
(c) Prevent flood
(d) All the above
Answer
Answer: (d) All the above
Question 9.
Which among the following forest animals is the smallest?
(a) Fox
(b) Boar
(c) Bison
(d) Porcupine
Answer
Answer: (d) Porcupine
Question 10.
Which of the following is not the name of a tree?
(a) Teak
(b) Sal
(c) Porcupine
(d) Kachnar
Answer
Answer: (c) Porcupine
Match the following:
| Column A | Column B |
| (i) Micro-organisms act upon the dead plant to produce | (a) vulture |
| (ii) Scavenger | (b) canopy |
| (iii) Help in maintaining the supply of nutrients to growing plants | (c) food web |
| (iv) Roof of the forest made by the branches of tall trees | (d) forest protect |
| (v) Number of food chain | (e) autotrophs |
| (vi) Soil erosion | (f) purifier of air and water |
| (vii) Green plants | (g) saprotrophs |
| (viii) A forest acts as | (h) humus |
Answer
Answer:
| Column A | Column B |
| (i) Micro-organisms act upon the dead plant to produce | (h) humus |
| (ii) Scavenger | (a) vulture |
| (iii) Help in maintaining the supply of nutrients to growing plants | (g) saprotrophs |
| (iv) Roof of the forest made by the branches of tall trees | (b) canopy |
| (v) Number of food chain | (c) food web |
| (vi) Soil erosion | (d) forest protect |
| (vii) Green plants | (e) autotrophs |
| (viii) A forest acts as | (f) purifier of air and water |
Fill in the blanks:
1. In a forest, trees form the uppermost layer, followed by ………………. The ………………. form the lowest layer of vegetation.
Answer
Answer: shrubs, herbs
2. Different layers of vegetation provide ………………. and ………………. for animals.
Answer
Answer: food, shelter
3. The forest keeps on ………………. and ………………. and can ……………….
Answer
Answer: growing, changing, regenerate
4. Forests protect the ………………. from erosion.
Answer
Answer: soil
5. ………………. helps forests to grow and regenerate.
Answer
Answer: Soil
6. Branchy part of a tree above the stem is known as the ………………. of the tree.
Answer
Answer: crown
7. Plants release ………………. through the process of photosynthesis.
Answer
Answer: oxygen
8. Microorganisms convert dead animal and plant tissues into a dark-coloured substance called ………………. .
Answer
Answer: humus
Choose the true and false statements from the following:
1. We get various useful products from the forests surrounding us.
Answer
Answer: True
2. Forest is a system comprising various plants, animals and microorganisms.
Answer
Answer: True
3. Forests must be cleared to make the human life safe and comfortable.
Answer
Answer: False
4. Different layers of vegetation provide food and shelter for animals, birds and insects.
Answer
Answer: True
5. Plants release carbon dioxide in the process of photosynthesis.
Answer
Answer: False
6. The various components of the forest are interdependent on one another.
Answer
Answer: True
7. In the forest there is interaction between soil, water, air, and living organisms.
Answer
Answer: True
8. Forests are the lifeline for the forest-dwelling communities.
Answer
Answer: True
9. Forests are the result of hard working of ancient people who have planted most of the forests.
Answer
Answer: False
10. Forests influence climate, water cycle and air quality.
Answer
Answer: True
We hope the given NCERT MCQ Questions for Class 7 Science Chapter 17 Forests: Our Lifeline with Answers Pdf free download will help you. If you have any queries regarding Forests: Our Lifeline CBSE Class 7 Science MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.