Environment Class 7 Questions and Answers Provided helps you to answer complex Questions too easily. You can use them while preparing for board exams and all of them are given by subject experts. Reading NCERT Solutions for Class 7 Social Science Geography Chapter 1 Environment familiarizes you with the kind of questions appearing in the board exams. Students are advised to read these solutions on a regular basis to score well.
Geography Class 7 Chapter 1 Question Answer Solutions
Make your learning experience enjoyable by preparing from the quick links available on this page. Use the Class 7 SST Geography Chapter 1 NCERT Solutions and get to know different concepts involved. All the Solutions are covered as per the latest syllabus guidelines. Knowing the NCERT Class 7 Geography Chapter 1 Questions and Answers helps students to attempt the exam with confidence.
Environment Class 7 Questions Answers
Let’s Recall
Question 1.
What is an ecosystem?
- What do you mean by natural environment?
- Which are the major components of the environment?
- Give four examples of human made environment.
- What is lithosphere?
- Which are the two major components of biotic environment?
- What is biosphere?
Answer:
It is a system formed by the interactions of all living organisms with each other and with the physical and chemical factors of the environment in which they live, all linked by transfer of energy material.
- Land, water, air, plants and animals comprise the natural environment. Natural environment refers to both biotic and abiotic conditions existing on earth.
- The major components of environment are:
- Natural (living things, land, air and water)
- Human-made (buildings, parks, bridges, roads, monuments, industries)
- Human (individual, family, community, religion, educational, economic and political situation)
- Four examples of human-made environments are roads, buildings, parks and bridges.
- 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.
- Plants and animals are the two major components of biotic environment.
- Plant or animal kingdom together make biosphere or the living world. It is a narrow zone of the earth where land, water and air interact with each other to support life.
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) Seas
(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:
Column I | Column II |
1. Biosphere | (a) blanket of air which surrounds the earth |
2. Atmosphere | (b) domain of water |
3. Hydrosphere | (c) growing crops |
4. Environment | (d) narrow zone where land water and air interact. |
Answer:
1. (d)
2. (a)
3. (b)
4. (c)
Question 4.
Give reasons.
(i) Man modifies his environment
(ii) Plants and animals depend on each other
Answer:
(i) Man modifies his environment as per his/her continence and fulfils his needs. All the natural things such as air, water, minerals etc., are being used by the man not only for fulfilling his needs but also for the wealth. These activities create imbalance in the environment. These activities are very harmful for the living beings. A balance is required between nature and man. The use of environment should be done harmoniously.
(ii) Plants and animals depend on each other for their survival. Plants take oxygen released by the plants through its photosynthesis process and animals eat plants for their nutrition. Plants get manure and carbon dioxide from animals. The relation between plants and animals form ecosystem.
Question 5.
Activity:
Imagine an ideal environment where you would love to live. Draw the picture of your ideal environment.
Answer:
Students discuss with teacher and can write the answer.
Let’s do
Question 6.
Look at your surroundings. Make a list of uses that the land in your neighborhood is being put to.
Answer:
Students discuss with teacher and write the answer.
Question 7.
Where does the water you use in your home and school come from? Make a list of different uses of water in our daily life. Have you seen anyone wasting water? How?
Answer:
Students discuss with teacher and can write the answer.
Question 8.
Observe the sky while coming to school. Make a note whether the day is cloudy, rainy, sunny, foggy etc.
Answer:
Students discuss with teacher and can write the answer.
Question 9.
Sketch or bring photographs of your place like the students in the story.
Answer:
Students discuss with teacher and can write the answer.
Question 10.
Talk to some elderly person in your neighborhood and collect information about-
- The trees in his/her neighborhood when he/she was your age.
- The indoor games he/she played.
- His/her favorite fruit at your age.
- How did they make themselves comfortable during hot summers and cold winters?
Display your answers on a wall/bulletin board.
Answer:
Students discuss with teacher and can write the answer.
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