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Question(1 Marks)

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27 questions · timed · auto-graded

Question 21 Mark
Name the three major components of our environment which combinedly termed as biosphere?
Answer
Lithosphere, atmosphere, biosphere.
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Question 31 Mark
What do you mean by barter system?
Answer
It is a trade in which goods are exchanged without the use of money.
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Question 41 Mark
Give four examples of human made environment.
Answer
Examples of human made environment are parks, buildings, bridges, roads, industries, monuments etc.
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Question 51 Mark
How does atmosphere protect us?
Answer
It protects us from the harmful rays and scorching heat of the sun. It consists of a number of gases, dust and water vapour. The changes in the atmosphere produce changes in the weather and climate.
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Question 61 Mark
Why is the atmosphere essential for us?
Answer
Atmosphere is essential for us as it protects us from the harmful rays of the sun. It also provides the life giving gases like oxygen like and carbon di oxide.
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Question 81 Mark
What is an ecosystem?
Answer
It is a system formed by the interaction 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 and material.
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Question 101 Mark
How is environment important to us?
Answer
Environment is important to us because it provides the air we breathe, the water we drink, the food we eat and the land where we live.
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Question 111 Mark
What is hydrosphere? What does it contain?
Answer
The domain of water is called hydrosphere. It consists of various sources of water and different types of water bodies like rivers, lakes, seas, oceans, etc.
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Question 121 Mark
What is lithosphere?
Answer
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 land forms such as mountains, plateaus, plains, valleys, etc.
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Question 131 Mark
Name the basic component of natural environment?
Answer
Air, water, land and living beings are the basic component of natural environment.
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Question 141 Mark
Why is lithosphere important?
Answer
Lithosphere is important because it provides us forests, grasslands for grazing, land for agriculture and human settlements. It is also a source of mineral wealth.
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Question 151 Mark
What hydrosphere comprises of?
Answer
It comprises various sources of water and different types of water bodies like rivers, lakes, seas, oceans, etc.
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Question 161 Mark
Explain the important of Lithosphere to human beings.
Answer
Lithosphere is the domain that provides us forests, grasslands for grazing, land for agriculture and human settlements, it is also a source of mineral wealth.
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Question 171 Mark
Write the significance of atmosphere.
Answer
It protects us from the harmful rays and scorching heat of the sun.
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Question 181 Mark
Why is hydrosphere important?
Answer
The hydrosphere is important because it comprises water, which sustains a variety of life forms.
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Question 191 Mark
What is meant by Biosphere?
Answer
It is a narrow of the earth where land, water and air interact with each other to support life.
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Question 221 Mark
How is atmosphere important for us?
Answer
Atmosphere protects us from the harmful rays and scorching heat of the sun.
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Question 231 Mark
What are the components of lithosphere?
Answer
Lithosphere is the domain that provides us forests, grasslands for grazing, and land for agriculture and human settlements. It is a source of rich mineral wealth.
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Question 241 Mark
Which are the two major components of biotic environment?
Answer
Plants and animals are the two major components of biotic environment.
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Question 261 Mark
What is biosphere?
Answer
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 or the living world.
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Question(1 Marks) - Social Science STD 7 Questions - Vidyadip