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: 7 | Science |
Chapter: 17 | Forests: 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
Consider the following statements and choose the correct one:
[A]. A forest is a large area of land covered mainly with trees and other plants.
[B]. Due to different climates and soils, there are various types of trees and other plants found in various forests.
[C]. The forest floor provides favorable conditions for seeds to germinate into seedlings and saplings.
[D]. All the above.
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
Paheli is writing some statements, choose the incorrect statement and help her:
[A]. A forest acts as the purifier of air and water.
[B]. The forest provides a home for many plants’ animals and decomposers organisms.
[C]. The forest also contains decomposers organisms such as bacteria and fungi.
[D]. None of the above.
Q6
Which of the following is not prepared from the wood obtained from forest?
[A]. Paper
[B]. Thermocol
[C]. Matchsticks
[D]. Plywood
Q7
Which of the following is not the name of a tree?
[A]. Teak
[B]. Sal
[C]. Porcupine
[D]. Kachnar
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 types of organism always occurs at the first step in every food chain?
[A]. Heterotroph
[B]. Autotroph
[C]. Saprotroph
[D]. Scavenger
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
The branchy part of a tree above the stem is known as:
[A]. Crown
[B]. Canopy
[C]. Sapling
[D]. Humus
Q12
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
Q13
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
Q14
Which of the following is not a function of the forests?
[A]. Maintenance of water cycle
[B]. Bringing sufficient rains
[C]. Preventing flash floods
[D]. Causing soil erosion
Q15
Which of the following is not a scavenger?
[A]. Crow
[B]. Jackal
[C]. Lion
[D]. Vulture
Q16
In a science quiz competition, Payel are asked a question where she had to choose the statement which was/were incorrect?
[A]. The branchy part of a tree above the stem is known as the crown of the tree.
[B]. The layer of vegetation in a forest which is just below the canopy is called under story.
[C]. The uppermost branches and leaves of tall trees which act like a roof over the forest ground is called canopy.
[D]. None of the above.
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
If forests disappear:
[A]. Amount of CO2 in air will increase.
[B]. Amount of CO2in air will decrease.
[C]. Amount of O2in air will increase
[D]. Amount of N2 in air will increase
Q21
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.
Q22
Boojho appeared in class test but he confused to know the correct statement. Would you help him to know that?
[A]. Forests are cut down to obtain wood for making paper.
[B]. Forests are cut down to clear land for cultivation of crops in agriculture.
[C]. Forests are cut down to clear land for the construction of roads, houses, industries and dams etc.
[D]. All the above.
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
In a science quiz competition, Paheli are asked a question where she had to choose the statement which was/were incorrect?
[A]. The various things which are obtained from the forest are called forest products.
[B]. The green plants and trees of the forest release oxygen during the process of photosynthesis.
[C]. Humus mixes up with the soil in the forest and the nutrients present in it are used for the growth of plants.
[D]. Green plants and trees of the forest supply oxygen for breathing and respiration, so forests are known as blue lungs.
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Last Edited: June 13, 2023