NCERT Solutions Class 7th Geography Social Science Chapter -1 Environment Question & Answer

May 11, 2022

NCERT Solutions Class 7th Geography Social Science Chapter -1 Environment

Textbook	NCERT
Class	7^th
Subject	Geography Social Science
Chapter	Chapter – 1
Chapter Name	Environment
Category	Class 7th Social Science Geography
Medium	English
Source	Last Doubt

NCERT Solutions Class 7th Geography Social Science Chapter -1 Environment Question & Answer Why environment is important? What is environment introduction? What are the 3 types of environment? What is nature 10 lines? What are 5 benefits of environment? How can we save our environment? What are the 2 main types of environment? What is human environment? What is environment 10 points? What nature gives us? What factors affect the environment? What are the characteristics of environment? What is type of environment? How is environment formed? How can we reduce the pollution? What is a type of pollution? How can we reduce environment pollution? What is the scope of environment? What are the 4 types of environment? What is environment best answer?

NCERT Solutions Class 7th Geography Social Science Chapter -1 Environment

Chapter – 1

Environment

Question &Answer

Answer the following questions briefly.

Question 1.What is an ecosystem?

Answer- All plants, animals and human beings depend on their immediate surroundings. They are also interdependent on each other. This relation between the living organisms as well as the relation between the organism and their surroundings form an ecosystem.

Question 2. What do you mean by the natural environment?

Answer- The natural environment consists of land, water, air, plants and animals. Thus, the natural environment refers to both biotic (plants and animals) and abiotic (land) conditions that exist on the earth.

Question 3.Which are the major components of the environment?

Answer- The major components of the environment are—natural (land, air, water, living things), human-made (buildings, parks, bridges, roads, industries, monuments, etc.), and humans (individual, family, community, religion, educational, economic, etc).

Question 4.Give four examples of a human-made environment.

Answer- Four examples of human-made environments—buildings, parks, bridges, and roads.

Question 5.What is the lithosphere?

Answer – The lithosphere is the solid crust or the hard top layer of the earth. It is made up of rocks and minerals and covered by a thin layer of soil. It is an irregular surface with various landforms such as mountains, plateaus, plains, valleys, etc.

Question 6.Which are the two major components of the biotic environment?

Answer- Plants and animals are the two major components of a biotic environment,

Question 7.What is the biosphere?
Answer- The biosphere is a narrow zone of the earth where land, water, and air interact with each other to support life. Thus, plant and animal kingdom together make biosphere, ie., the living world.

Question.2. Tick the correct answer.

1.Which is not a natural ecosystem?

(a) Desert
(b) Aquarium
(c) Forest.

Answer- (b) Aquarium

2.Which is not a component of the human environment?

(a) Land
(b) Religion
(c) Community.

Answer- (a) Land

3.Which is a human-made environment?

(a) Mountain
(b) Sea
(c) Road.

Answer- (c) Road.

4.Which is a threat to the environment?

(a) Growing plant
(b) Growing population
(c) Growing crops.

Answer- (b) Growing population

Question.3. Match the following:

Column A	Column B
Biosphere	(a) blanket of air which surrounds the earth
Atmosphere	(b) domain of water
Hydrosphere	(c) gravitational force of the earth
Environment	(d) our surroundings
	(e) The narrow zone where land, water, and air interact

Answer-

Column A	Column B
1. Biosphere	(e) The narrow zone where land, water, and air interact
2. Atmosphere	(a) blanket of air which surrounds the earth
3. Hydrosphere	(b) domain of water
4. Environment	(d) our surroundings

Question.4. Give reasons:

1. Man modifies his environment
2. Plants and animals depend on each other.

Answer-

Man modifies his environment in the following ways:

• He cuts forests and clears land for agriculture, industries, and habitation.
• He tills land for agriculture.
• He uses the land to build buildings, roads, and railways.
• He uses water.
• He uses air for his survival.
• He sets up industries, factories, etc.
• He does numerous other activities for his life, making it comfortable.

Plants and animals depend on each other in the following ways:

• Plants provide food to animals.
• They, in the form of forests, provide shelter to wildlife.
• Wildlife adds beauty to the forests.
• Animals provide manure to plants for growth.
• Animals also provide beauty to forests.
• Dead animals also provide humus content.