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Online Test | MCQ Natural Resources | NCERT Class 9 Science Chapter 14 | CBSE Syllabus
Every student of class 9 of NCERT/CBSE syllabus may take part this online test of NCERT Class 9 Science Chapter 14 MCQ Natural Resources and verify his score to check preparedness
#1. Soil erosion can be prevented by
#2. Low visibility during cold weather is due to
#3. When we breathe in air, nitrogen also goes inside along with oxygen. What is the fate of this nitrogen?
#4. One of the following process is not involved in the water-cycle operating in nature.
#5. Which is causing depletion of ozone layer
#6. What would happen, if all the oxygen present in the environment is converted to ozone?
#7. Which one is correct?
#8. Which one of the following factors do not lead to soil formation in nature
#9. If there were no atmosphere around the Earth, the temperature of the Earth will
#10. Ozone-hole means
#11. Which one of the following is not related to water-pollution?
#12. Oxygen is harmful for
#13. Major source of mineral in soil is the
#14. The nitrogen molecules present in air can be converted into nitrates & nitrites by
#15. Which one of the following is not correct for the use of large amount of fertilizers & pesticides?
#16. Rainfall patterns depend on
#17. Biotic component of biosphere is not constituted by
#18. Which is not a greenhouse gas
#19. Which step is not involved in the carbon-cycle?
#20. Oxygen is returned to the atmosphere mainly by
#21. Top soil contains -
#22. What happens when rain falls on soil without vegetational cover?
#23. Total surface of the Earth covered by water is
#24. The atmosphere of the Earth is heated by radiations which are mainly
#25. The two forms of oxygen found in the atmosphere are
#26. Marked temperature changes in aquatic environment can affect
#27. An increase in carbon dioxide content in the atmosphere would not cause
#28. The process of nitrogen-fixation by bacteria does not take place in the presence of
#29. Growth of Lichens on barren rocks is followed by the growth of
#30. Nowadays which poses threat to our environment
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To Be Continued