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
Show/Hide Answer
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
Show/Hide Answer
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
Show/Hide Answer
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
Show/Hide Answer
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
Show/Hide Answer
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
Show/Hide Answer
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
Show/Hide Answer
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
Show/Hide Answer
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
Show/Hide Answer
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 |
