Updated by Tiwari Academy
on June 13, 2023, 11:23 AM
on June 13, 2023, 11:23 AM
Class 7 Science Chapter 12 MCQ (Multiple Choice Questions) of Forests: Our Lifeline with explanation and answers of each questions updated for academic session 2024-25. 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 2024-25
| 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
Micro-organism act upon the dead plants to produce:
[A]. Sand
[B]. Mushroom
[C]. Humus
[D]. Wood
Q4
Which among the following forest animal is the smallest?
[A]. Fox
[B]. Boar
[C]. Bison
[D]. Porcupine
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 prepared from the wood obtained from forest?
[A]. Paper
[B]. Thermocol
[C]. Matchsticks
[D]. Plywood
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 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
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 function of the forests?
[A]. Maintenance of water cycle
[B]. Bringing sufficient rains
[C]. Preventing flash floods
[D]. Causing soil erosion
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
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 statement is or are correct?
[A]. The layer of vegetation in a forest which is just below the understorey, is called shrub layer.
[B]. The layer of vegetation in the forest which is just below the shrub layer, is called the herb layer.
[C]. The forest floor is also considered a layer of vegetation in the forest structure.
[D]. All the above.
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
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
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.
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
