Forests: Our Lifeline MCQ Questions for Class 7 Science Chapter 17 with Answers

We have completed the NCERT/CBSE chapter-wise Multiple Choice Questions for Class 7 Science book Chapter 17 Forests: Our Lifeline with Answers by expert subject teacher for latest syllabus and examination. You can Prepare effectively for the exam taking the help of the Class 7 Science Objective Questions PDF free of cost from here. Students can take a free test of the Multiple Choice Questions of Forests: Our Lifeline. Each Questions has four options followed by the right answer. Download the Science Quiz Questions with Answers for Class 7 free Pdf and prepare to exam and help students understand the concept very well.

MCQ Questions for Class 7 Science with Answers

Q1. Which of the following is not a forest product:

(i) gum
(ii) polywood
(iii) sealing wax
(iv) kerosene

(iv) kerosene

Q2. Which is not a function of forest?

(i) Water cycle
(ii) Balancing oxygen and carbon dioxide
(iii) Wild life habitat
(iv) Formation of soil

(iv) Formation of soil

Q3. Which one of the following is an animal product?

(i) Gum
(ii) Catechu
(iii) Honey
(iv) Rubber

(iii) Honey

Q4. The branchy part of a tree above the stem is known as

(i) Canopy
(ii) Crown
(iii) Herb
(iv) Shrub

(ii) Crown

Q5. Which of the following is a forest plant?

(i) Sheesham
(ii) Neem
(iii) Bamboo
(iv) All of these

(iv) All of these

Q6. A dark coloured substance which is formed from the dead bodies of plants and animals is called:

(i) plants roots
(ii) humus
(iii) canopy
(iv) none of these

(ii) humus

Q7. A tree species in Mauritius failed to reproduce because of extinction of a fruit eating bird. The bird was

(i) Condor
(ii) Dodo
(iii) Dove
(iv) Skua

(ii) Dodo

Q8. Understoreys are formed due to

(i) different types of crowns
(ii) different sizes of crown
(iii) different heights of trees
(iv) all of these

(iv) all of these

Q9. Micro-organisms act upon the dead plants to produce

(i) Sand
(ii) Mushrooms
(iii) Humus
(iv) Wood

(iii) Humus

Q10. Mushroom and other micro-organismseat

(i) Brinjal
(ii) Rice
(iii) Humus
(iv) wax

(iii) Humus

Q11. Name the organism on which all animals depend for food.

(i) Humus
(ii) Plants
(iii) Insects
(iv) Crops

(ii) Plants

Q12. A forest is a purifier of:

(i) water
(ii) air
(iii) both (i) and (ii)
(iv) none of these

(i) water

Q13. Microorganism that convert plants and animals dead parts into humus are called

(i) Producer
(ii) Carnivores
(iii) Herbivores
(iv) Decomposer

(iv) Decomposer

Q14. Sequence that represents the series of eating and being eaten is called

(i) food series
(ii) food chain
(iii) food web
(iv) food hub

(ii) food chain

Q15. Which of the following is influenced by forests?

(i) Temperature
(ii) Climate
(iii) Animals
(iv) All of these

(iv) All of these

Q16. What are known as ‘green lungs’?

(i) Forests
(ii) Grasshoppers
(iii) Rivers
(iv) All of these

(i) Forests

Q17. Cutting and destroying the forests is called:

(i) erosion
(ii) decomposers
(iii) deforestation
(iv) all the above

(ii) decomposers

Q18. Mountains appear green due to

(i) Green coloured stone
(ii) Absence of plants
(iii) Presence of plants
(iv) All of these

(iii) Presence of plants

Q19. Which among the following forest animals is the smallest?

(i) Fox
(ii) Boar
(iii) Bison
(iv) Porcupine

(iv) Porcupine

Q20. The branches of the tall trees look like a roof over the other plants in the forest is called a:

(i) humus
(ii) canopy
(iii) crown
(iv) none of these

(iv) none of these

Q21. Thing that is not obtained from the wood is

(i) paper
(ii) thermocol
(iii) matchsticks
(iv) plywood

(ii) thermocol

Q22. The branches of the tall trees look like a roof over the other plants in the forest is called a:

(i) humus
(ii) canopy
(iii) crown
(iv) none of these

(iv) none of these

Q23. Floods can be controlled by

(i) constructing pits
(ii) forests
(iii) constructing temporary shelters
(iv) By allowing water to flow into sea

(ii) forests

Q24. Which of the following is a medicinal plant?

(i) Cinchona
(ii) Orange
(iii) Mango
(iv) Peepal

(i) Cinchona

Q25. Deforestation will lead to decrease in

(i) soil erosion
(ii) rainfall
(iii) drought
(iv) global warming

(ii) rainfall

Q26. Heavy rain may also damages the:

(i) roots
(ii) soil
(iii) humus
(iv) none of these

(i) roots

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