NCERT Class 7 Geography Chapter 1 - Environment

Chapter 1 - Environment

Question 1: Answer the following questions.
i) What is an ecosystem?
Answer:
An ecosystem is a system formed as a result of interaction between all living organisms with each other and physical and chemical factors of the environment in which they live.

ii) What do you mean by the natural environment?
Answer:
Natural environment consists of land, water, air, plants, and animals. Thus natural environment refers to biotic (plants and animal) and abiotic (land) conditions that exist on the Earth.

iii) Which are the major components of the environment?
Answer:
The major components of environment are natural (land, air, water, living things), human made (building, parks, bridges, roads, industries, monuments etc.) and human (individual, family, community, religion, educational, economics etc.).

iv) Give four examples of human made environment.
Answer:
Four examples of human made environment are buildings, parks, roads, industries, monuments etc.

v) What is lithosphere?
Answer:
Lithosphere is a solid crust or the hard top layer of the Earth. It is made up of rocks and mineral and covered by a thin layer of soil. It is an irregular surface with various land forms such as mountains, plateaus and valleys etc.

vi) Which are the two major components of biotic environment?
Answer:
Plants and animals are the 2 components of biotic component.

vii) What is biosphere?
Answer:
Biosphere is a narrow zone of the Earth were land, water, and air interact with each other to support life. Thus, plants and animal kingdom together make biosphere i.e. the living world.

Question 2: Tick the correct answer.
i) Which is not a natural ecosystem?
a) Desert
b) Aquarium
c) Forest
Answer:
b) Aquarium

ii) Which is not a component of human environment?
a) Land
b) Religion
c) Community
Answer:
a) Land

iii) Which is a human made environment?
a) Mountain
b) Sea
c) Road
Answer:
c) Road

iv) Which is a threat to environment?
a) Growing plant
b) Growing population
c) Growing crops
Answer:
b) Growing population

Question 3: Match the following.

Match the following

Answer:

Match the following answer

Question 4: Give reasons.
i) Man modifies his environment.
Answer:
Man modifies his environment to fulfill his needs and make his life comfortable. He also modifies his environment to adapt himself to natural surroundings.

ii) Plants and animals depend on each other.
Answer:
Plants and animals depend on each other for their own sake. Plants release oxygen that animal breathe and absorb carbon dioxide that animals release.

3 comments:

Also read!

Class 6 Solutions

• Class 7

Class 7 Computer Kips Solutions
Class 7 Gul Mohar English Solutions
English Grammar Class 7
English Writing Skills Class 7
Class 7 Map Pointing Solutions
Class 7 NCERT Civics Solutions
Class 7 NCERT Civics Notes
Class 7 NCERT Civics Extra Questions
Class 7 NCERT Geography Solutions
Class 7 NCERT Geography Notes
Class 7 NCERT Geography Extra Questions
Class 7 NCERT History Solutions
Class 7 NCERT History Notes
Class 7 NCERT History Extra Questions
Class 7 NCERT Maths Solutions
Class 7 NCERT Science Solutions
Class 7 NCERT Science Notes
Class 7 NCERT Science Extra Questions

• Class 8

Class 8 Kips Artificial Intelligence Solutions
Class 8 Gul Mohar English Solutions
English Grammar Class 8
English Writing Skills Class 8
Class 8 Map Pointing Solutions
Class 8 NCERT Civics Solutions
Class 8 NCERT Civics Notes
Class 8 NCERT Civics Extra Questions
Class 8 NCERT Geography Solutions
Class 8 NCERT Geography Notes
Class 8 NCERT Geography Extra Questions
Class 8 NCERT History Solutions
Class 8 NCERT History Notes
Class 8 NCERT History Extra Questions
Class 8 NCERT Maths Solutions
Class 8 NCERT Science Solutions
Class 8 NCERT Science Notes
Class 8 NCERT Science Extra Questions
Class 8 NCERT Science Exemplar
Class 8 NCERT Science MCQs

Class 9 Solutions

• Class 10

Class 10 Kips Artificial Intelligence Solutions
Class 10 NCERT English Solutions
→ Class 10 Map Pointing Solutions
Class 10 NCERT Civics Solutions
Class 10 NCERT Civics Notes
Class 10 NCERT Civics Extra Questions
Class 10 NCERT Geography Solutions
Class 10 NCERT Geography Notes
Class 10 NCERT Geography Extra Questions
Class 10 NCERT History Solutions
→ Class 10 NCERT History Notes
Class 10 NCERT History Extra Questions
Class 10 NCERT Maths Solutions
Class 10 NCERT Science Solutions
Class 10 NCERT Science Notes
Class 10 NCERT Science Extra Questions

• Computer languages
Python Basics

• Extra Activities
Extra Activities

• Extra Knowledge
Extra Information
General Knowledge
Historical Places in India
Latest technology
Physical Sciences
Facts

• Mathematics quick links
Mathematical Terms
Maths Tricks

CONTACT US