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Q. The atmosphere of the Earth is heated by radiations which are mainly
Correct Answer - Option
(D)
Natural Resources MCQs with answers
Dear candidates you will find MCQ questions of 9th Class - Chemistry and Biology | Chapter: Natural Resources here. Learn these questions and prepare yourself for coming examinations. You can check the right answer of any question by clicking the option or by clicking view answer button.
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Q. You must have observed that during the winters sometimes it becomes quite difficult to see even the objects short distance apart. This low visibility during the cold weather is due to:
Correct Answer - Option
(B)
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Q. If there were no atmosphere around the Earth, the temperature of the Earth will
Correct Answer - Option
(C)
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Q. The ‘water pollution’ can be defined in several ways. Which of the following statements does not give the correct definition?
Correct Answer - Option
(C)
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Q. What would happen, if all the oxygen present in the environment is converted to ozone?
Correct Answer - Option
(B)
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Q. One of the following factors does not lead to soil formation in nature
Correct Answer - Option
(D)
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Q. Presence of the fertilizers and sewage in polluted water provides a lot of nitrogen, causing excessive growth of algae which subsequently reduces the amount of dissolved oxygen in water.Can you name this process of reduction of dissolved oxygen due to the excess growth of algae.
Correct Answer - Option
(B)
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Q. The two forms of oxygen found in the atmosphere are
Correct Answer - Option
(C)
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Q. A cool breeze after a hot day brings all of us considerable relief. This breeze is actually the moving air. What is the basic process that causes this movement of air?
Correct Answer - Option
(C)
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Q. The process of nitrogen-fixation by bacteria does not take place in the presence of
Correct Answer - Option
(B)
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Q. The main function of the Rhizobium bacteria is:
Correct Answer - Option
(A)
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Q. Among the given options, which one is not correct for the use of large amount of fertilisers and pesticides?
Correct Answer - Option
(A)
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Q. The nitrogen molecules present in air can be converted into nitrates and nitrites by
Correct Answer - Option
(A)
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Q. One of the following processes is not a step involved in the water-cycle operating in nature
Correct Answer - Option
(D)
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Q. The term “water-pollution” can be defined in several ways. Which of the following statements does not give the correct definition?
Correct Answer - Option
(C)
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Q. Which of the following is not a greenhouse gas?
Correct Answer - Option
(D)
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Q. Which step is not involved in the carbon-cycle?
Correct Answer - Option
(B)
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Q. Ozone-layer is getting depleted because of
Correct Answer - Option
(C)
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Table of contents
- The atmosphere of the Earth is heated by radiations which are mainly
- You must have observed that during the winters sometimes it becomes quite difficult to see even the
- If there were no atmosphere around the Earth, the temperature of the Earth will
- The ‘water pollution’ can be defined in several ways. Which of the following statements does not
- What would happen, if all the oxygen present in the environment is converted to ozone?
- One of the following factors does not lead to soil formation in nature
- Presence of the fertilizers and sewage in polluted water provides a lot of nitrogen, causing excessi
- The two forms of oxygen found in the atmosphere are
- A cool breeze after a hot day brings all of us considerable relief. This breeze is actually the movi
- The process of nitrogen-fixation by bacteria does not take place in the presence of
- The main function of the Rhizobium bacteria is:
- Rainfall patterns depend on
- Among the given options, which one is not correct for the use of large amount of fertilisers and pes
- The nitrogen molecules present in air can be converted into nitrates and nitrites by
- One of the following processes is not a step involved in the water-cycle operating in nature
- The term “water-pollution” can be defined in several ways. Which of the following statements doe
- Which of the following is not a greenhouse gas?
- Which step is not involved in the carbon-cycle?
- ‘Ozone-hole’ means
- Ozone-layer is getting depleted because of
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