NCERT Class 7 Geography Chapter 1 Environment Extra Questions and Answers
Class 7 Geography Chapter 1 Extra Questions and Answers – Environment. Here in this Page Class VII Students can Learn Extra Questions & Answer 1st Chapter Geography fully Inside.
We Provided Here Environment Geography Chapter 1 Long Answer Type Question, MCQ Questions & Answer, Short Answer Type Questions (2 or 3 marks), and Very Short answer Type Question (1 marks).
Class 7 Geography Chapter 1 Extra Question with Answer – Environment
Geography Chapter 1 Environment Class 7 Inside 5 Marks, 3 marks, 2 Marks & And 1 Marks Important Questions and Answers.
MCQ Type Extra Questions
(1) Which is a threat to environment ?
(a) Growing trees
(b) Growing crops
(c) Growing pollution
(d) New landforms
Ans:- (c) Growing pollution
(2) Which is not a natural ecosystem?
(a) Sea
(b) Lake
(c) Aquarium
(d) river
Ans:- (c) Aquarium
(3) Which of the following is not a component of biosphere?
(a) Tiger
(b) mosquito
(c) grass
(d) soil
Ans:- (d) soil
(4) When is the world environment day celebrated ?
(a) 5th june
(b) 5th may
(c) 5th October
(d) 5th july
Ans:- (a) 5th june
(5) Which is not a component of human environment?
(a) Family
(b) Grove
(c) Community
(d) Nation
Ans:- (b) Grove
(6) The component of natural environment is _______
(i) School building
(ii) Plants
(iii) Roads
(iv) Industry.
Ans: (ii) Plants
(7) Name the thin layer of air that surrounds the Earth
(a) Hydrosphere
(b) Biosphere
(c) Atmosphere
Ans:- (c) Atmosphere
(8) The world environmental day is celebrated on
(a) 5th July
(b) 8th May
(c) 5th June
Ans:- (c) 5th June
(9) The main cause of environment degradation is ____
(i) Plenty of trees
(ii) Excessive rain
(iii) Human activities
(iv) Sunlight
Ans – (iii) Human activities
Very Short Answer Type Extra Questions
1.) What is Human made environment?
Solution:
The environment made by humans is called human made environment.
2.) Give examples of some human components.
Solution:
Human, family, caste, religion etc.
Short Answer Type Extra Questions
(1) Explain the important of Lithosphere to human beings.
Solution:
Lithosphere is the domain that provides us forests, grasslands for grazing, land for agriculture and human settlements, it is also a source of mineral wealth.
(2) What is meant by Ecosystem?
Solution:
The relation between the living organism, as well as the relation between the organisms and their surrounding forms an ecosystem. It is a system formed by the by the interaction of all organisms with each other and with the physical and chemical factors of the environmental in which they live, all linked by transfer of energy and material.
In case you are missed :- NCERT Extra Questions for Inside Our Earth
(3) Plants and animals depend on each other. Justify this statement.
Solution:
Plants and animal co exist in the environment with the transfer of energy and material mutually. They are interdependent on their biotic as well as abiotic surroundings.
Exchanges of gases – plants release oxygen and intake carbon dioxide released by the animal kingdom.
Food chain – the plants are being consumed by the herbivores animals and carnivores feed on the other animals. The dead remains of both plants and animals enrich the soil.
(4) Differentiate between biotic and abiotic components of environment.
Solution:
Biotic World – it the living world consisting of all plant animal life. Elements from this word grown, reproduce and respond to stimuli. Abiotic world – It is the world of non living natural world consisting of land, water and air, Elements of this world do not grown or reproduce on their own but are depended on external forces for changing their form.
(5) What is biotic and abiotic environment ?
Solution:
Biotic environment: the world of living organisms is called biotic environment. For example plants and animals.
Abiotic environment: the world of non living elements is called abiotic environment. For example land.
(6) Why is the atmosphere essential for us?
Solution:
Atmosphere is essential for us as it protects us from the harmful rays of the sun. It also provides the life giving gases like oxygen like and carbon di oxide.
(7) What is meant by Biosphere ?
Solution:
It is a narrow of the earth where land, water and air interact with each other to support life.
Long Answer Type Extra Questions
(3) Human have new ways to use and change the environment. Give examples.
Solution:
Humans learn new ways to use change environment:
(1) They learn to grown crops, domesticated animals and lead a settled life.
(2) The wheel was invented and surplus food was produced, barter system emerged trade and commerce started and developed.
(3) Industrial revolution enabled large scale production
(4) Transportation became faster.
(5) Information revolution made communication easier and speedy across the world.
(4) Give reasons why there is a need to protect environment.
Solution:
A perfect balance is necessary between the natural and human environment. This is because human survival is depended on the natural environment. If human beings exploit their natural environement beyond its capacity to replenish, t pollutes the air, water and land that degreades the quality of human life also. If the human activities are keeping a balance to maintain a healthier natural environmental, it produces great wealth in the form of many resources and a healthier population. A healthy environment is also much less likely to cause large problems.
Source: Diksha
In case you are missed :- NCERT Extra Questions for Our Changing Earth
This is so useful for all students.And it’s also helpful for our exams period.
very goodd
It’s very helpful. But can I get another answer difference between natural and human made environment. What is dynamic in nature???
Please share at the comment box your answer.
nice. this helped daughter to study for her online exams