You are currently viewing Our Environment CBSE Class 10 Science MCQ Questions with Answer Keys

Our Environment CBSE Class 10 Science MCQ Questions 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.

Our Environment MCQ Questions for Class 10 Question No 11: 

Which of the following is not an example of abiotic factors?

Option A : light

Option B : plants

Option C : heat

Option D : temperature

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Option B : plants

Our Environment MCQ Questions for Class 10 Question No 12:   

Which of the following is terrestrial ecosystem

Option A : natural forest

Option B : pond

Option C : lake

Option D : aquarium

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Option A : natural forest

Our Environment MCQ Questions for Class 10 Question No 13:   

The number of atoms of oxygen in ozone _____.

Option A : 2

Option B : 3

Option C : 6

Option D : 7

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Option B : 3

Our Environment MCQ Questions for Class 10 Question No 14:       

The functional unit of environment : 

Option A : Ecosystem

Option B : Stratosphere

Option C : Ozone

Option D : Oxygen

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Option A : Ecosystem

Our Environment MCQ Questions for Class 10 Question No 15:      

In the food chain, herbivores falls at ____ level.

Option A : 1st

Option B : 2nd

Option C : 3rd

Option D : 4th

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Option B : 2nd

Our Environment MCQ Questions for Class 10 Question No 16:         

In food web, flow of energy is :

Option A : Non directional

Option B : Bidirectional

Option C : Unidirectional

Option D : any of the above

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Option C : Unidirectional

Our Environment MCQ Questions for Class 10 Question No 17:     

Following is true for food web : 

Option A : The energy available at each level gets diminished

Option B : Energy moves progressively through different levels

Option C : A and B

Option D : None

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Option C : A and B

Our Environment MCQ Questions for Class 10 Question No 18:      

Order of energy flow in ecosystem is :

Option A : Sunlight→ herbivores→ producers→ carnivores

Option B : Sunlight→ producers→ carnivores→ herbivores

Option C : Sunlight→ herbivores→ carnivores→ producers

Option D : Sunlight→ producers→ herbivores→ carnivores

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Option D : Sunlight→ producers→ herbivores→ carnivores

Our Environment MCQ Questions for Class 10 Question No 19:     

Which refrigerant is responsible for depletion of ozone layer

Option A : CFC

Option B : FCC

Option C : FCF

Option D : CCF

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Option A : CFC

Our Environment MCQ Questions for Class 10 Question No 20:      

What percentage of sunlight is captured by plants to convert into food energy

Option A : 1%

Option B : 10%

Option C : 50%

Option D : more than 50%

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Option A : 1%

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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