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Biology Class X Chapter 8 Chapter 9 Chapter 10 Chapter 11 Chapter 12
Chapter 14 : Natural Resources Answers
We are also conducting class room program for the preparation of AMU/JMI XI/Dip.Engg. Entrance Test-2018
1. The atmosphere of the earth heated by radiations which are mainly
a. Radiated by sun
b. Radiated by land
c. Radiated by water
d. Radiated by land and water
2. If there was no atmosphere around the earth ,the temperature of the earth will
a. Increase
b. Go on decreasing
c. Increase during day and decrease during night
d. Be unaffected
3. What would happen if all the oxygen present in the environment is converted to ozone
a. We will be protected
b. It will be poisonous and kill living forms
c. Ozone is not stable, hence it will be more toxic
d. It will help harmful sun radiations to reach earth and damage many life forms
4. One of the following factors does not lead to the soil formation in nature
a. Sun
b. Water
c. Wind
d. Polythene bags
5. The two forms of oxygen found in the atmosphere are
a. Water and ozone
b. Water and oxygen
c. Ozone and oxygen
d. Water and carbon dioxide
6. The process of nitrogen fixation by bacteria does not take place in the presence of
a. Molecular form of hydrogen
b. Elemental form of oxygen
c. Water
d. Elemental form of nitrogen
7. Rainfall pattern depends on
a. The underground water table
b. The no. of water bodies in an area
c. The density pattern of human population in an area
d. The prevailing season in an area
8. Among the given options, which is not correct for the use of large amount of fertilizers and pesticides
a. They are eco-friendly
b. They turn the fields barren after sometime
c. They adversely affect the useful components from the soil
d. They destroy the soil fertility
9. The nitrogen molecules present in the air can be converted into nitrates and nitrites by
a. Nitrogen fixing bacteria present in the soil
b. Carbon fixing bacteria present in soil
c. Any of the industries manufacturing nitrogenous compounds
d. The plants used as cereal crop in the field
10. One of the following processes is not a step involved in the water cycle operating in nature
a. Evaporation
b. Transpiration
c. Precipitation
d. Photosynthesis
11. The term water pollution can be defined in several ways which one of the following statements does not give the correct definition
a. The addition of undesirable substances to the water bodies
b. The removable of desirable substances from water bodies
c. A change in pressure of water bodies
d. A change in pressure of water bodies
12. Which one of the following is not a green house gas
a. Methane
b. Carbon dioxide
c. Carbon monoxide
d. Ammonia
13. Which step is not involved in carbon cycle
a. Photosynthesis
b. Transpiration
c. Respiration
d. Fossil fuels
14. Ozone hole means
a. A large sized hole in the ozone layer
b. Thinning of the ozone layer
c. Small holes scattered in the ozone layer
d. Thickening of ozone in the ozone layer
15. Ozone layer is getting depleted because of
a. Excessive use of automobiles
b. Excessive formation of industrial units
c. Excessive use of man-made components containing both fluorine and chlorine
d. Excessive deforestation
16. When we breathe in air, nitrogen also goes inside along with oxygen what is the fate of this nitrogen
a. It moves along with the oxygen in the cells
b. It comes out with the carbon dioxide during exhalation
c. Its absorbed only by the nasal cells
d. Nitrogen concentration is already more in the cells so it is not all absorbed
17. Top soil contains the following
a. Humus and living organisms only
b. Humus and soil particles only
c. Humus, living organisms and plants
d. Humus, living organisms, plants & soil particles.
18. The major source of mineral rock in the soil is
a. Parent rock from which soil is formed
b. Plants
c. Animals
d. Bacteria
19. Total Earth’s surface covered by water is
a. 75%
b. 60%
c. 85%
d. 50%
20. Which of the following is a recently originated problem of environment
a. Ozone layer depletion
b. Greenhouse effect
c. Global warming
d. All of the above
21. Biotic component of biosphere is not constituted by
a. Producer
b. Consumer
c. Decomposer
d. Air
22. An increase in carbon dioxide content in the atmosphere would not cause
a. More heat to be retained by the environment
b. Increase in photosynthesis in plants
c. Global warming
d. Abundance of desert plants
23. The oxygen is returned to the atmosphere mainly by
a. Burning of fossil fuel
b. Respiration
c. Photosynthesis
d. Fungi
24. Low visibility through cold water is due to
a. Formation of fossil fuel
b. Unburnt carbon particles
c. Lack of adequate power supply
d. None of the above
25. Growth of likens on barren rock is followed by the growth of
a. Moss
b. Ferns
c. Gymnosperms
Biology Class X Chapter 8 Chapter 9 Chapter 10 Chapter 11 Chapter 12
Chapter 14 : Natural Resources Answers
We are also conducting class room program for the preparation of AMU/JMI XI/Dip.Engg. Entrance Test-2018
1. The atmosphere of the earth heated by radiations which are mainly
a. Radiated by sun
b. Radiated by land
c. Radiated by water
d. Radiated by land and water
2. If there was no atmosphere around the earth ,the temperature of the earth will
a. Increase
b. Go on decreasing
c. Increase during day and decrease during night
d. Be unaffected
3. What would happen if all the oxygen present in the environment is converted to ozone
a. We will be protected
b. It will be poisonous and kill living forms
c. Ozone is not stable, hence it will be more toxic
d. It will help harmful sun radiations to reach earth and damage many life forms
4. One of the following factors does not lead to the soil formation in nature
a. Sun
b. Water
c. Wind
d. Polythene bags
5. The two forms of oxygen found in the atmosphere are
a. Water and ozone
b. Water and oxygen
c. Ozone and oxygen
d. Water and carbon dioxide
6. The process of nitrogen fixation by bacteria does not take place in the presence of
a. Molecular form of hydrogen
b. Elemental form of oxygen
c. Water
d. Elemental form of nitrogen
7. Rainfall pattern depends on
a. The underground water table
b. The no. of water bodies in an area
c. The density pattern of human population in an area
d. The prevailing season in an area
8. Among the given options, which is not correct for the use of large amount of fertilizers and pesticides
a. They are eco-friendly
b. They turn the fields barren after sometime
c. They adversely affect the useful components from the soil
d. They destroy the soil fertility
9. The nitrogen molecules present in the air can be converted into nitrates and nitrites by
a. Nitrogen fixing bacteria present in the soil
b. Carbon fixing bacteria present in soil
c. Any of the industries manufacturing nitrogenous compounds
d. The plants used as cereal crop in the field
10. One of the following processes is not a step involved in the water cycle operating in nature
a. Evaporation
b. Transpiration
c. Precipitation
d. Photosynthesis
11. The term water pollution can be defined in several ways which one of the following statements does not give the correct definition
a. The addition of undesirable substances to the water bodies
b. The removable of desirable substances from water bodies
c. A change in pressure of water bodies
d. A change in pressure of water bodies
12. Which one of the following is not a green house gas
a. Methane
b. Carbon dioxide
c. Carbon monoxide
d. Ammonia
13. Which step is not involved in carbon cycle
a. Photosynthesis
b. Transpiration
c. Respiration
d. Fossil fuels
14. Ozone hole means
a. A large sized hole in the ozone layer
b. Thinning of the ozone layer
c. Small holes scattered in the ozone layer
d. Thickening of ozone in the ozone layer
15. Ozone layer is getting depleted because of
a. Excessive use of automobiles
b. Excessive formation of industrial units
c. Excessive use of man-made components containing both fluorine and chlorine
d. Excessive deforestation
16. When we breathe in air, nitrogen also goes inside along with oxygen what is the fate of this nitrogen
a. It moves along with the oxygen in the cells
b. It comes out with the carbon dioxide during exhalation
c. Its absorbed only by the nasal cells
d. Nitrogen concentration is already more in the cells so it is not all absorbed
17. Top soil contains the following
a. Humus and living organisms only
b. Humus and soil particles only
c. Humus, living organisms and plants
d. Humus, living organisms, plants & soil particles.
18. The major source of mineral rock in the soil is
a. Parent rock from which soil is formed
b. Plants
c. Animals
d. Bacteria
19. Total Earth’s surface covered by water is
a. 75%
b. 60%
c. 85%
d. 50%
20. Which of the following is a recently originated problem of environment
a. Ozone layer depletion
b. Greenhouse effect
c. Global warming
d. All of the above
21. Biotic component of biosphere is not constituted by
a. Producer
b. Consumer
c. Decomposer
d. Air
22. An increase in carbon dioxide content in the atmosphere would not cause
a. More heat to be retained by the environment
b. Increase in photosynthesis in plants
c. Global warming
d. Abundance of desert plants
23. The oxygen is returned to the atmosphere mainly by
a. Burning of fossil fuel
b. Respiration
c. Photosynthesis
d. Fungi
24. Low visibility through cold water is due to
a. Formation of fossil fuel
b. Unburnt carbon particles
c. Lack of adequate power supply
d. None of the above
25. Growth of likens on barren rock is followed by the growth of
a. Moss
b. Ferns
c. Gymnosperms
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# Students are welcome to discuss online, the above mention MCQs.
The discussion is free for all,appearing in XI/Dip.Engg. Entrance -2018
Office:Silver Plaza, Opposite Kabir Colony , Anoop Shaher Road, Jamalpur Aligarh-202002, U.P-India
# Students are welcome to discuss online, the above mention MCQs.
The discussion is free for all,appearing in XI/Dip.Engg. Entrance -2018
Office:Silver Plaza, Opposite Kabir Colony , Anoop Shaher Road, Jamalpur Aligarh-202002, U.P-India
Contact Number: +91-9045756384,9548040225.
e-mail id : qacademyaligarh@gmail.com
website: www.qacademyaligarh.com
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