Q.1. ______ consist of living organism e.g. plants and animals.
Ans. Biotic
Q.2. ______ consist of non living elements e.g. land etc.
Ans. Abiotic
Q.3. On ______ every year world environment day is celebrated.
Ans. 5th June
Q.4. ______ It is a narrow zone of the earth where land, water and air interact with each other to support life.
Ans. Biosphere
Q.5. The domain of water is referred to as ______.
Ans. Hydrosphere
Fig: Hydrosphere
Q.6. Trade in which goods are exchanged without the use of money termed as ______.
Ans. Barter System
Q.7. Give example Artificial ecosystem?
Ans. Aquarium
Q.8. Which revolution made communication easier and speedy across the world?
Ans. Information revolution
Q.9. Name the three major components of our environment which combinedly termed as biosphere?
Ans. Lithosphere, atmosphere, Hydrosphere.
Q.10. Name the four spheres of the earth?
Ans. Lithosphere, atmosphere, hydrosphere, biosphere
Q.11. Environment means ______.
Ans. Neighbourhood
TRUE /FALSE QUESTIONS
(a) Lithosphere is the semi solid top layer of the earth. False
(b) The gravitational force of the earth does not hold the atmosphere. False
(c) All plants and human being interdependent to each other. True
(d) A perfect balance is necessary between the natural and human environment. True
(e) Is this possible that there could be an ecosystem of large rain forest, desert, mountain etc. True
(f) Information revolution made communication easier and speedy across the world. True
(g) Lithosphere is an irregular surface with various land forms. True
Lithosphere
MATCH THE FOLLOWING QUESTIONS
Q.1.
Column 1 | Column 2 |
1. Lithosphere | 1. Interaction of all living organism |
2. Hydrosphere | 2. Envelope of air which surrounds the earth |
3. Atmosphere | 3. Solid crust top layer of earth |
4. Ecosystem | 4. Domain of water |
Ans 1.
Column 1 | Column 2 |
1. Lithosphere | 3. Solid crust top layer of earth |
2. Hydrosphere | 4. Domain of water |
3. Atmosphere | 2. Envelope of air which surrounds the earth |
4. Ecosystem | 1. Interaction of all living organism |
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