Environment Question Answers
Exercise Questions.
1.
What is an ecosystem?
Answer: An ecosystem is the
relation between the living organisms, as well as the relation between the
organisms and their surroundings.
2.
What do you mean by
natural environment?
Answer: Natural environment is
the environment that is given to us by nature and comprises of land, water,
air, plants and animals.
3.
Which are the major
components of the environment?
Answer: The major components of
the environment are – natural, human made and human.
4.
Give four examples of
human made environment.
Answer: Four examples of human
made environment are (a) Roads, (b) Monuments, (c) Industries and (d) Buildings
5.
What is lithosphere?
Answer: Lithosphere is the solid crust or the hard top layer of the earth.
Answer: Lithosphere is the solid crust or the hard top layer of the earth.
6.
Which are the two major
components of biotic environment?
Answer: Plants and animals are the major components of the biotic environment.
Answer: Plants and animals are the major components of the biotic environment.
7.
What is biosphere?
Answer: Plant and animal kingdom together make the biosphere. It is a narrow zone of the earth where land, water and air interact with each other to support life.
Answer: Plant and animal kingdom together make the biosphere. It is a narrow zone of the earth where land, water and air interact with each other to support life.
1.
Man modifies his
environment
Answer: Human beings have to
fulfill their various needs from the environment. For some of the needs, human
beings need to modify the environment. For example; for making paper and
furniture, man needs wood. Wood can be obtained by cutting trees. Felling of
trees modifies the environment.
2.
Plants and animals depend
on each other
Answer: Animals depend on plants for oxygen and also for food. They also use plants as shelter and also Plants depend on animals for seed dispersal, manure and also for nutrients which the plant gets when the animal dies and decomposes.
Additional Questions
Q1. When the world Environment Day is celebrated?
Answer: Animals depend on plants for oxygen and also for food. They also use plants as shelter and also Plants depend on animals for seed dispersal, manure and also for nutrients which the plant gets when the animal dies and decomposes.
Additional Questions
Q1. When the world Environment Day is celebrated?
Answer: On 5 June every year the World Environment Day is celebrated.
Define Barter System?
Answer: Barter System:
It is a trade in which
goods are exchanged
without the use of
money
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