MCQ - CBSE Class 9 Science What are the two forms of oxygen found in the atmosphere ? 10/04/2023 Ajit kumar 122 Views 0 Comments Read more
MCQ - CBSE Class 9 Science What is the greenhouse effect ? 10/04/2023 Ajit kumar 97 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 105 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 96 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 126 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 116 Views 0 Comments Read more
MCQ - CBSE Class 9 Science What is soil erosion ? 10/04/2023 Ajit kumar 87 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 67 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 115 Views 0 Comments Read more