MCQ & Online Test – Natural Resources – NCERT Class 9 Science Chapter 14

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MCQ Natural Resources - Biosphere

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. Which is not a greenhouse gas

#2. Which one is correct?

#3. Rainfall patterns depend on

#4. Oxygen is returned to the atmosphere mainly by

#5. Major source of mineral in soil is the

#6. Which one of the following is not related to water-pollution?

#7. Which step is not involved in the carbon-cycle?

#8. When we breathe in air, nitrogen also goes inside along with oxygen. What is the fate of this nitrogen?

#9. An increase in carbon dioxide content in the atmosphere would not cause

#10. One of the following process is not involved in the water-cycle operating in nature.

#11. Nowadays which poses threat to our environment

#12. The nitrogen molecules present in air can be converted into nitrates & nitrites by

#13. What would happen, if all the oxygen present in the environment is converted to ozone?

#14. Biotic component of biosphere is not constituted by

#15. If there were no atmosphere around the Earth, the temperature of the Earth will

#16. Which one of the following factors do not lead to soil formation in nature

#17. The two forms of oxygen found in the atmosphere are

#18. Which one of the following is not correct for the use of large amount of fertilizers & pesticides?

#19. Oxygen is harmful for

#20. The atmosphere of the Earth is heated by radiations which are mainly

#21. Total surface of the Earth covered by water is

#22. Low visibility during cold weather is due to

#23. Top soil contains -

#24. Soil erosion can be prevented by

#25. What happens when rain falls on soil without vegetational cover?

#26. Growth of Lichens on barren rocks is followed by the growth of

#27. Marked temperature changes in aquatic environment can affect

#28. The process of nitrogen-fixation by bacteria does not take place in the presence of

#29. Ozone-hole means

#30. Which is causing depletion of ozone layer



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To Be Continued