Man modifies his environment

NCERT Solutions for Class 7 Social Science, NCERT Solutions for class 7 Geography, Our Environment- Class 7th NCERT Solutions Geography, Chapter 1 - Environment - NCERT - Class 7 – Geography, NCERT Solutions for Class 7th: Ch 1 Environment Geography, Class VII Geography Notes and study material for Environment, Social Science (Sst) –Geography - Class 7 (CBSE/NCERT) - Chapter 1 – Environment - Questions and Answers/Notes/Worksheets – 1 Tags: CBSE Class 7 - Geography – Chapter 1 - Environment Practice Pages, Extra Question and Answer based on NCERT for Class 7th, Social Science Geography, CBSE Grade VII free Worksheets PDF on Environment, Geography Question bank on Environment for seventh standard, True/False, What is atmosphere? Write the significance of atmosphere. What do you mean by barter system? What is hydrosphere? What hydrosphere comprises of? Which are the two major components of biotic environment? Name the basic component of natural environment? Why is hydrosphere important? Give four examples of human made environment. How is environment important to us? What do you mean by natural environment? Why is lithosphere important? What is environment? Why is our environment changing? What is biosphere? What is an ecosystem? Plants and animals depend on each other. Give reason. What is lithosphere? Why man modifies his environment? Differentiate between biotic and abiotic environment. Which are the major components of the environment? Environment Q1. True/False i. Aquar...

Modification of environments means altering or changing the immediate surroundings. As the population is growing, human needs and desires are also growing. To fulfil the needs, humans or man modifies the environment in many ways. For example, trees are cut to me buildings or commercial places. Animals are killed for their skin and tusks. 3 Match the following. (i) Biosphere (a) blanket of air which surrounds the earth (ii) Atmosphere (b) domain of water (iii) Hydrosphere (c) gravitational force of the earth (iv) Environment (d) our surroundings (e) narrow zone where land water and air interact (f) relation between the organisms and their surroundings

The environment is our basic life support system. To fulfill his needs, man builds homes and factories and modifies the environment and its mineral wealth. For food, shelter and agriculture, he cuts forests and utilizes water. Due to industrial revolution and technological advancement, man has used fossil fuels such as coal and petroleum and has invaded animal habitat for his own development.

ADVERTISEMENTS: Relation between Society and Environment! Environment as the term itself indicates is anything that surrounds or environs us. Environment in this sense is made of all those things which though distinct from us affect our life or activity in some way. It consists of all surroundings and influences, whatsoever that are present whenever an event occurs. ADVERTISEMENTS: It refers to those forces, situations, or stimuli that affect the environment from outside. Environment is thus not a simple but a complex phenomenon and consists of various forms such as physical environment, biological environment, social environment and supra-social environment. The physical environment consists of the geographical, the climatic and the controlled geographical environment. The biological environment includes the plant and animals found all round man. The social environment consists of three kinds of environments—economic, cultural and psycho-social environments. The supra-social environment consists of the notions regarding God or supernatural power. A. Physical Environment : Physical environment is composed of those conditions that nature provides for man. It includes, according to MacIver, the earth surface with all its physical features and natural resources, the distribution of land and water, mountains and plains, minerals, plants and animals, the climatic and all the cosmic forces-gravitational, electrical, traditional etc. that play upon the earth and affect the life o...

NCERT Solutions For Class 7 Geography Social Science Chapter 1 Environment Question 1. Answer the following questions briefly. • What is an ecosystem? • What do you mean by the natural environment? • Which are the major components of the environment? • Give four examples of a human-made environment. • What is the lithosphere? • Which are the two major components of the biotic environment? • What is the biosphere? 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. • 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. • 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). • Four examples of human-made environments—buildings, parks, bridges, and roads. • 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. • Plants and animals are the two major c...

NCERT Solutions for Class 7th: Ch 1 Environment Geography Social Studies Our Enviroment Page No: 6 Exercises 1. Answer the following questions. (i) What is an ecosystem? Answer An ecosystem is a community in a given area where living organisms interact with each other and their immediate surroundings including non livings. (ii) What do you mean by natural environment? Answer The environment which is created by nature comprises of land, water, air, plants and animals is known as natural environment. (iii) Which are the major components of the environment? Answer The major components of the environment are: (i) Natural environment (ii) Human environment (iii) Human made environment (iv) Give four examples of human made environment. Answer Four examples of human made environment are: (i) Vehicles (ii) Buildings (iii) Roads (iv) Parks (v) What is lithosphere? Answer Lithosphere is the solid crust or the hard top layer of the earth which is made up of rocks and minerals and covered by a thin layer of soil. (vi) Which are the two major components of biotic environment? Answer Two major components of biotic environment are: (i) Plants (ii) Animals (vii) What is biosphere? Answer Biosphere is a narrow zone of the earth where land, water and air interact with each other to support life. It consists of plant and animal kingdom together. 2. Tick the correct answer. (i) Which is not a natural ecosystem? (a) Desert (b) Aquarium (c) Forest ✓(b) Aquarium (ii) Which is not a component of ...

Answer (i) it is true that man modifies his environment it is because- - He uses water - Deforestation is done by which he clears land for agriculture, industries and habitation. - He uses air. - Numerous activities take placeto make the life comfortable. (ii) The interdependence of plants and animal can be illustrated by the following points: - Plants provide food to animals. - Forests provide shelter to wildlife. - Wildlife adds beauty to the forests. - Animal dung provides manure for the growth of plants. - The decay of dead animals provides nutrition to the soil which in turn helps in growingtheplants and trees. Popular Questions of Class 7 Social Science - Our Environment (Geography) • Q:- Imagine an ideal environment where you would love to live. Draw the picture of your ideal environment. • Q:- (i) There is scanty vegetation in the deserts. (ii) People of the Sahara desert wear heavy robes. • Q:- Observe the photographs given below. These are various features made by a river. Identify them and also tell whether they are erosional or depositional or landforms formed by both. • Q:- (i) Today’s world is shrinking. • Q:- (i) Wet clothes take longer time to dry on a humid day? (ii) Amount of insolation decreases from equator towards poles? • Q:- (i) Why do the plates move? (ii) What are exogenic and endogenic forces? (iii) What is erosion? (iv) How are flood plains formed? (v) What are sand dunes? (vi) How are beaches formed? (vii) What are ox bow lakes? • Q:- (i) Which ...