Updated on June 13, 2023
by Tiwari Academy
by Tiwari Academy
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
Boojho visited a forest near his town with his classmates and his teacher. As they were entering the forest, their class teacher told them not to make noise in the forest as in noise disturb the:
[A]. Birds
[B]. Animals
[C]. Both (a) and (b)
[D]. Plants
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
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
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.
Q9
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
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
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
In a quiz competition, you are asked a question where you have to choose the statement which is/ are correct?
[A]. The various components of a forest are interdependent on one another.
[B]. An ecosystem is a self-sufficient unit of living things and non-living environment needing only the input of sunlight energy for its functioning
[C]. If we remove all the snakes from a forest then all the food chains in which snakes take part will be broken or affected.
[D]. All the above.
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 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
Q19
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
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
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.
Q22
Puja is writing some statements but she confused to know whether the statements are correct or not? If you know the answer to this question, then tell her:
[A]. Forests prevent soil erosion and floods and hence help in the conservation of soil.
[B]. Forests help in maintain water cycle in nature and hence bring sufficient rain.
[C]. Forests also maintain the balance between carbon di oxide and oxygen in the atmosphere.
[D]. None of the above.
Q23
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
Q24
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.
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
