Class 7 Science Chapter 12 MCQ (Multiple Choice Questions) of Forests: Our Lifeline with explanation and answers of each questions updated for academic session 2025-26. All the MCQ tests are prepared from latest NCERT Textbooks based on new CBSE Syllabus. These MCQ online tests are important for school unit test as well as terminal or final exams. Class 7 science chapter 12 MCQs cover all the concepts of the chapter.

Class 7 Science Chapter 12 MCQ for 2025-26

Class: 7Science
Chapter: 17Forests: Our Lifeline
Contents: MCQ Online Tests With Answers

MCQ Tests with Answers for Class 7 Science Chapter 17

Q1

Which of the following serve as green lungs?

[A]. Green pigment of the plants
[B]. Forests
[C]. Kitchen Gardens
[D]. Greenhouses gases
Q2

Micro-organism act upon the dead plants to produce:

[A]. Sand
[B]. Mushroom
[C]. Humus
[D]. Wood
Q3

Which among the following forest animal is the smallest?

[A]. Fox
[B]. Boar
[C]. Bison
[D]. Porcupine
Q4

Which of the following is not a forest product?

[A]. Gum
[B]. Plywood
[C]. Sealing wax
[D]. Kerosene
Q5

Which of the following has the strongest stem?

[A]. A tree
[B]. A creeper
[C]. A climber
[D]. A bush
Q6

Which of the following is not the name of a tree?

[A]. Teak
[B]. Sal
[C]. Porcupine
[D]. Kachnar
Q7

Consider the following statements and choose the incorrect one:

[A]. The plants are called producers.
[B]. The animals are called consumers.
[C]. Saprotrophs are commonly known as decomposers.
[D]. None of the above.
Q8

Pick the option which gives the names of a tree and animal respectively from the following:

[A]. Semal and hornbill
[B]. Sal and khair
[C]. Chinkara and blue bull
[D]. Neem and palash
Q9

Which of the products is not obtained from a forest?

[A]. Honey
[B]. Catechu
[C]. Gum
[D]. Ginger
Q10

Boojho is doing his homework which is given by his teacher. Would you help him to choose the correct sentences?

[A]. The green plants provide food to all the animals in the forest, directly or indirectly.
[B]. The decomposers play a very important role in sustaining the forest.
[C]. Bacteria and fungi are non-green organisms which can not make their own food.
[D]. All the above.
Q11

One of the following is not produced by the action of decomposers on the dead parts of plants and dead bodies of animals. This one is:

[A]. Carbon di oxide
[B]. Oxygen
[C]. Water
[D]. Nutrients
Q12

Forests are not responsible for:

[A]. Providing medicinal plants
[B]. Maintaining the flow of water into the streams
[C]. Creating for flood conditions
[D]. Absorbing rainwater and maintaining water table
Q13

Read the following sentences carefully, and choose the incorrect one:

[A]. Those animals which eat dead animals’ are called scavengers.
[B]. Scavengers eat up the dead bodies of animals and a help in keeping forest environment clean.
[C]. The important of humus to the soil is that it provides nutrients for the growth plants.
[D]. None of the above.
Q14

Which of the following is not a scavenger?

[A]. Crow
[B]. Jackal
[C]. Lion
[D]. Vulture
Q15

Read the following sentences carefully, and choose the incorrect one:

[A]. The first step in every food chain is the plants.
[B]. The second step in a food chain is always a herbivore
[C]. The third step in a food chain is always a carnivore.
[D]. Scavengers are referred as decomposers.
Q16

Which of the following help in maintaining the supply of nutrients of the growing plants and trees in a forest?

[A]. Saprotrophs
[B]. Autotrophs
[C]. Carnivores
[D]. Heterotrophs
Q17

Which of the following is not a function of the crowns of forest trees during the daytime?

[A]. Absorb sun’s light energy
[B]. Absorb oxygen from air
[C]. Carry out photosynthesis
[D]. From a green cover
Q18

Which of the following do not help the flowering plants of a forest in pollination?

[A]. Honeybees
[B]. Butterflies
[C]. Kingfishers
[D]. Antelopes
Q19

Which of the following will help in the conservation of forest?

[A]. Recycling of jute bags
[B]. Recycling of cotton bags
[C]. Recycling of paper bags
[D]. Recycling of plastic bags
Q20

State whether the following statements are true or false:

[A]. Forest protects the soil from erosion.
[B]. Forest influence climate, water cycle and air quality.
[C]. The forest keeps on growing and changing and can regenerate.
[D]. In a forest, trees form the uppermost layer, followed by herbs and the shrubs form the lowest layer of vegetation.
Q21

Bikash is doing his homework which is given by his teacher. Would you help him to choose the correct sentences?

[A]. Scavengers are also a type of decomposers.
[B]. Dead animals and plants are the polluted agent of forest.
[C]. The growing of new trees and plants on their own regenerates the forest naturally.
[D]. As a scavenger lion eat up the dead bodies of animals and help in keeping forest environment clean.
Q22

Consider the following statements and choose the incorrect one:

[A]. Destruction of forests can change the earth’s climate.
[B]. Destruction of forests leads to the extinction of many wild animals and plants.
[C]. Destruction of forests affects the water cycle leading to reduction in rainfall.
[D]. Destruction of forests will prevent flooding of rivers, loss of life and property.
Q23

In the last year board examination, Rahul were asked a question where he had to choose the statement which was/were incorrect? Will you be able to answer this question?

[A]. [A] Forests help in cleaning air and purifying water.
[B]. Forests provide food, water, shelter and medicine to the forest-dwelling people.
[C]. Forests provide a natural habitat to wild animals and birds and hence help in the conservation of wildlife.
[D]. Cutting down of forests is driving out many populations, which help many people to build houses, factories and bridge etc.
Q24

In a quiz competition, you are asked a question where you have to choose the statement which is/ are correct?

[A]. The cutting down of forest leads to soil erosion.
[B]. Cutting down of forest leads to the loss of many species of animals and birds.
[C]. The destruction of forests is also leading to the loss of many species of plants from this earth.
[D]. All the above
Q25

Recently, in a science class test, you are asked a question where you have to say whether the statements are correct or not?

[A]. The cutting down of forest or deforestation leads to a decrease in rainfall.
[B]. The removal of fertile top soil from a region by wind, rain or river water is called soil erosion.
[C]. The roots of trees and plants growing in the forest bind the particles of topsoil and hold the soil together firmly.
[D]. None of the above.

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Last Edited: June 13, 2023