NCERT Book Solutions 7th Class Social Science Geography 1st Chapter
The environment is everything that is around us, which can be living or nonliving things. It incorporates physical, substance, and other regular powers. The regular habitat contains land, water, air, plants, and creatures. Individuals cooperate with the climate and change it as per their requirements. To assist you with understanding the perplexing subjects of 1st Chapter, the NCERT Solutions for 7th Class Social Science Geography for 1st Chapter is the ideal review material to clear every one of the questions and ideas.
1st Chapter: Environment
Understudies can likewise get the NCERT Solutions for 7th Class for different subjects at the connected article.
NCERT Solutions for 7th Class Social science 1st Chapter – Environment – Download PDF Below:
Ques 1. What is an ecosystem?
Ans. i) Plants, animals, and human beings depend on their immediate surroundings. They are often interdependent on each other as well. These relations of dependence and interdependence together constitute an ecosystem.
ii) In other words, an ecosystem is a system formed as a result of the interactions of all living organisms with each other, and with the physical and chemical factors of the environment in which they live.
Ques 2. What do you mean by natural environment?
Ans. The environment that consists of all objects created by nature is called the natural environment. The natural environment comprises land, water, air, plants, and animals.
Ques 3. Which are the major components of the environment?
Ans. The major components of the environment are the natural environment (which consists of all objects created by nature), the human-environment (consists of human beings), and the human-made environment (consists of objects created by human beings).
Ques 4. Give four examples of human-made environments.
Ans. Parks, buildings, roads, and industries are some examples of a human-made environment
Ques 5. What is the lithosphere?
Ans. The lithosphere (or the domain of land) is the solid crust or the hard top layer of the Earth. It is made up of rocks and minerals and is covered by a thin layer of soil. It is an irregular surface with various landforms such as mountains, plateaus, plains, and valleys.
Ques 6. Which are the two major components of the biotic environment?
Ans. The two major components of a biotic environment are plants and animals.
Ques 7. What is the biosphere?
Ans. The biosphere is the narrow zone of the Earth where land, water, and air interact with each other to support life.
1. Tick the correct Answer.
(i) Which is not a natural ecosystem?
(a) Desert
(b) Aquarium
(c) Forest
(ii) Which is not a component of the human environment?
(a) Land
(b) Religion
(c) Community
(iii) Which is a human-made environment?
(a) Mountain
(b) Sea
(c) Road
(iv) Which is a threat to the environment?
(a) Growing plant
(b) Growing population
(c) Growing crops
2. Match the following:
| (i) Biosphere | (a) blanket of air that surrounds the earth |
| (ii) Atmosphere | (b) domain of water |
| (iii) Hydrosphere | (c) the gravitational force of the earth |
| (iv) Environment | (d) our surroundings |
| (e) narrow zone where the land water and the air interacts | |
| (f) relation between the organisms and their surroundings |
Answer 3:
| (i) Biosphere | (e) narrow zone where the land water and the air interacts |
| (ii) Atmosphere | (a) blanket of air that surrounds the earth |
| (iii) Hydrosphere | (b) domain of water |
| (iv) Environment | (d) our surroundings |
Ques. GIVE REASONS
Man modifies his environment.
i) All living organisms depend on their immediate surroundings or environment.
ii) Human beings interact with their environment and modify it according to their needs.
iii) The primitive humans lived a simple life and fulfilled their needs from the nature around them (by hunting, eating fruits, living on trees and in caves, etc.)
iv) With the progress of time, as life grew more and more complex, humans learned newer ways to use their surroundings (growing crops, raising animals, setting up permanent settlements, ), for satisfying their growing needs.
v) The discovery of fi re, the invention of the wheel, the emergence of the barter system, the development of trade and commerce, the invention of the engine, the industrial revolution, and the advancements in transportation and communication are some of the milestones on the road of human growth.
vi) While travelling on this road to development, humans have constantly modified all the three components of the environment— natural (polluting the air by burning fuels), human (forming political and religious units), and human-made (using telephones lines for internet connectivity).
Plants and animals depend on each other.
i) Not only are all plants, animals, and human beings dependent on their environment, but they are also interdependent upon each other in several ways. For example, plants are eaten by animals as food.
ii) Through photosynthesis, plants produce oxygen, which is necessary for the survival of all living organisms.
iii) Forests are the natural habitats of wild animals, while the woods of trees are used by humans for various purposes like building houses, boats, furniture, etc.
iv) On the other hand, animals help plants reproduce by helping in the pollination of seeds.
v) Nitrogen is essential for the survival of plants, and they are provided with this nitrogen by the bacteria that live in the soil and in the roots of some plants.
vi) Photosynthesis, which is the way by which plants make their food, depends upon factors like sunlight, water, and carbon dioxide.
vii) The carbon dioxide is provided by humans and animals through respiration.
Environment Summary
1st Chapter from NCERT 7th Class comprises data in regards to:
- Components of the Environment
- Regular habitat
- Human-made Environment
- Human Environment
- Atmosphere
- Ecosystem
Our Environment is the NCERT Social Science Geography book for students in 7th Class.
For NCERT Solutions for 7th Class Social Science, visit the linked article.
Frequently Asked Questions on NCERT Solutions for 7th Class Social Science Geography 1st Chapter
- For what reason must I decide on the NCERT Solutions of INFINITY LEARN for 7th Class Social Science Geography 1st Chapter?
- Would I be able to involve the NCERT Solutions for 7th Class Social Science Geography 1st Chapter for amendment before the test?
- What are the principal subjects and subtopics canvassed in the 1st Chapter of NCERT Solutions for 7th Class Social Science Geography?
1. For what reason must I decide on the NCERT Solutions of INFINITY LEARN for 7th Class Social Science Geography 1st Chapter?
We at INFINITY LEARN have given the students the best quality answers for every one of the course reading questions with the goal that every one of the key ideas is fathomed without any problem. Further, every one of the arrangements is organized by subject specialists having huge experience as per the most recent CBSE rules. Besides, the arrangements are accessible both online as text and disconnected as PDF to help students learn whenever and at any place.
2. Would I be able to involve the NCERT Solutions for 7th Class Social Science Geography 1st Chapter for amendment before the test?
1st Chapter of NCERT Solutions for 7th Class Social Science Geography manages the geological subtleties of India. Understudies will acquire inside and out information about the primary subjects of this section by alluding to the NCERT Solutions of INFINITY LEARN. To score excellent grades in the 7th Class Social Science Geography test, students can utilize these arrangements while responding to the reading material inquiries and furthermore for correction purposes. Every one of the arrangements is exact and very much disclosed for students to effortlessly comprehend and assist them with snatching marks in the exam easily.
3. What are the principal subjects and subtopics canvassed in the 1st Chapter of NCERT Solutions for 7th Class Social Science Geography?
The principal themes and subtopics canvassed in 1st Chapter of NCERT Solutions for 7th Class Social Science Geography are –
- Parts of the Environment
- Common habitat
- Human-made Environment
- Human Environment
- Air
- Environment
