You are currently viewing MCQ Questions for Class 10 Science Chapter 15 Our Environment with Answer Keys

MCQ Questions for Class 10 Science Chapter 15 Our Environment with Answer Keys

If you are preparing for CBSE Class 10 Board Exam Term 1 which will be an objective type questions paper, then you need to practice multiple choice questions of Class 10 Science Chapterwise. In this article of AKVTutorials, you will get MCQ Questions for Class 10 Chapter 15 Our Environment with Answer Keys.

MCQ Questions for Class 10 Science Chapter 15 Question No 1: 

Disposable plastics plates should not be used because _______. 

Option A : they are made up of light weight material

Option B : They are made of toxic materials

Option C : They are made up of biodegradable materials

Option D : they are made up of non biodegradable materials

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Option D : they are made up of non biodegradable materials

MCQ Questions for Class 10 Science Chapter 15 Question No 2:  

What will happen if deer is missing from food chain : grass→ deer→ tiger

Option A : The population of tiger will increase

Option B : tiger will start eating grass

Option C : the population of grass decrease

Option D : population of tiger decrease and grass increase

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Option D : population of tiger decrease and grass increase

MCQ Questions for Class 10 Science Chapter 15 Question No 3:  

The excessive exposure of humans to UV rays results in : 

Option A : damaged immune system

Option B : skin cancer

Option C : peptic ulcers

Option D : damage to lungs

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Option B : skin cancer

MCQ Questions for Class 10 Science Chapter 15 Question No 4:      

The decomposers in ecosystem:

Option A : convert inorganic materials to simpler forms

Option B : convert organic materials to simpler forms

Option C : do not breakdown organic compounds

Option D : None

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Option B : convert organic materials to simpler forms

MCQ Questions for Class 10 Science Chapter 15 Question No 5:     

In an ecosystem, the 10% of energy available for the transfer from one trophic level to next in the form of _______.

Option A : heat energy

Option B : light energy

Option C : mechanical energy

Option D : chemical energy

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Option D : chemical energy

MCQ Questions for Class 10 Science Chapter 15 Question No 6:        

Which of the following are environment friendly practices?

Option A : carrying cloth bags to put purchases in while shopping

Option B : switching off unnecessary lights and fans

Option C : walking to school instead of getting your mother to drop you on her scooter

Option D : all

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Option D : all

MCQ Questions for Class 10 Science Chapter 15 Question No 7:    

In a food chain, the third trophic level is always occupied by

Option A : Carnivores

Option B : Herbivores

Option C : Omnivores

Option D : Decomposers 

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Option A : Carnivores

MCQ Questions for Class 10 Science Chapter 15 Question No 8:     

Accumulation of non-biodegradable pesticides in the food chain, in increasing amount at each higher tropic level is known as

Option A : Eutrophication

Option B : pollution

Option C : biomagnification

Option D : accumulation

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Option C : biomagnification

MCQ Questions for Class 10 Science Chapter 15 Question No 9:    

The constituents which do not form eco-system are _____.

Option A : Plastic

Option B : biodegradable

Option C : all

Option D : non biodegradable

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Option A : Plastic

MCQ Questions for Class 10 Science Chapter 15 Question No 10:     

Which of the following is an example of producers 

Option A : Cow

Option B : Sun dew plant

Option C : Bacteria

Option D : Grass

Show/Hide Answer

Option D : Grass

CBSE Class 10 Science Chapterwise MCQ
1 : Chemical Reactions & Equations MCQs
| 1 to 10 | 11 to 20
2 : Acids, Bases & Salts MCQs
| 1 to 10 | 11 to 20
3 : Metals & Non-Metals MCQs
| 1 to 10 | 11 to 20
4 : Carbon & Its Compound MCQs
| 1 to 10 | 11 to 20
5 : Periodic Classification of Elements MCQs
| 1 to 10 | 11 to 20
6 : Life Process MCQs
| 1 to 10 | 11 to 20
7 : Control & Coordination MCQs
| 1 to 10 | 11 to 20
8 : How Do Organism Reproduce MCQs
| 1 to 10 | 11 to 20
9 : Heredity & Evolution MCQs
| 1 to 10 | 11 to 20
10 : Light Reflection & Refraction MCQs
| 1 to 10 | 11 to 20
11 : Human Eye & Colorful World MCQs
| 1 to 10 | 11 to 20
12 : Electricity MCQs
| 1 to 10 | 11 to 20
13 : Magnetic Effect of Electric Current MCQs
| 1 to 10 | 11 to 20
14 : Source of Energy MCQs
| 1 to 10 | 11 to 20
15 : Our Environment MCQs
| 1 to 10 | 11 to 20
16 : Management of Natural Resources MCQs
| 1 to 10 | 11 to 20

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