MCQ - CBSE Class 9 Science What are the two forms of oxygen found in the atmosphere ? 10/04/2023 Ajit kumar 113 Views 0 Comments Read more
MCQ - CBSE Class 9 Science What is the greenhouse effect ? 10/04/2023 Ajit kumar 89 Views 0 Comments Read more
MCQ - CBSE Class 9 Science List any three human activities which would lead to an increase in the carbon dioxide content of air. 10/04/2023 Ajit kumar 97 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Name two biologically important compounds that contain both oxygen and nitrogen. 10/04/2023 Ajit kumar 85 Views 0 Comments Read more
MCQ - CBSE Class 9 Science What are the different states in which water is found during the water cycle? 10/04/2023 Ajit kumar 120 Views 0 Comments Read more
MCQ - CBSE Class 9 Science What are the methods of preventing or reducing soil erosion ? 10/04/2023 Ajit kumar 107 Views 0 Comments Read more
MCQ - CBSE Class 9 Science What is soil erosion ? 10/04/2023 Ajit kumar 77 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Do you know any activity which may be polluting these water sources? 10/04/2023 Ajit kumar 57 Views 0 Comments Read more
MCQ - CBSE Class 9 Science What is the major source of freshwater in the city/town/ village where you live? 10/04/2023 Ajit kumar 107 Views 0 Comments Read more