Q1. What is a source of mineral wealth?
(a) Atmosphere
(b) Biosphere
(c) Lithosphere
(d) None of these
Ans: (c)
Q2. The domain of water is referred to as:
(a) Hydrosphere
(b) Atmosphere
(c) Lithosphere
(d) None of these
Ans: (a)
Q3. Who protect earth from the harmful rays and scorching heat of the Sun?
(a) Mechanical force
(b) Gravitational force
(c) Atmosphere
(d) None of these
Ans: (c)
Q4. Which of the following is a human made environment?
(a) Hydrosphere
(b) Economic
(c) Industries.
(d) None of these
Ans: (c)
Q5. When is the world environment day is celebrated?
(a) 5 July
(b) 5 June
(c) 5 January
(d)5 March
Ans: (b)
Q6. What is Environer/Environner means?
(a) Environment
(b) Aquarium
(c) Neighbourhood
(d) None of these
Ans: (c)
Q7. WLich one has solid crust or the hard top layer of the earth?
(a) Lithosphere
(b) Hydrosphere
(c) Atmosphere
(d) None of these
Ans: (a)
Q8. Plant and animal kingdom together made:
(a) Atmosphere
(b) Hydrosphere
(c) Biosphere
(d) None of these
Ans: (c)
9. Which one has thin layer of air that surrounds the earth?
(a) Atmosphere
(b) Biosphere
(c) Hydrosphere
(d) None of these
Ans: (a)
Q10. The word environment derived from the French word “Environer” which means:
(a) Brotherhood
(b) Neighbourhood
(c) Childhood
(d) None of these
Ans: (b)
Q11. Which is not a component of human environment?
(a) Land
(b) Religion
(c) Community
(d) All of these
Ans: (a)
Land is not a component of human environment. Human beings make cars, mills, factories and road Human beings modify natural environment and thus known as human made environment.
Q12. Which is not a natural ecosystem?
(a) Desert
(b) Aquarium
(c) Forest
(d) None of these
Ans: (b)
Aquarium is not a natural ecosystem. The relation between the living organisms as well as the relation between the organisms and their surroundings form an ecosystem.
Q13. What is the solid crust of the earth is called?
(a) Atmosphere
(b) Lithosphere
(c) Crust
(d) All of these
Ans: (b)
Lithosphere is the solid crust 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, et(c)
Q14. When is world Environment Day is celebrated?
(a) 5th January
(b) 5th June
(c) 5th August
(d) None of these
Ans: (c)
On 5 June every year the World Environment Day is celebrate(d)
Q15. What is the life support system among the following?
(a) Transportation
(b) Music system
(c) Environment
(d) Both (a) and (b)
Ans: (c)
Environment is our basic life support system. It provides the air we breathe, the water we drink, the food we eat and the land where we live.
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