MCQ - CBSE Class 9 Science What are the different ways in which water gets polluted? How does it affect the life forms? 10/04/2023 Ajit kumar 55 Views 0 Comments Read more
MCQ - CBSE Class 9 Science How are CFCs harmful for the environment and living beings ? 10/04/2023 Ajit kumar 85 Views 0 Comments Read more
MCQ - CBSE Class 9 Science “It is necessary to conserve natural resources”. Explain. 10/04/2023 Ajit kumar 89 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Water is essential for life. Why? State three points. 10/04/2023 Ajit kumar 81 Views 0 Comments Read more
MCQ - CBSE Class 9 Science List any three human activities that would lead to environmental pollution. 10/04/2023 Ajit kumar 54 Views 0 Comments Read more
MCQ - CBSE Class 9 Science How can soil be conserved? 10/04/2023 Ajit kumar 113 Views 0 Comments Read more
MCQ - CBSE Class 9 Science What are decomposers ? Give their role in ecosystem. 10/04/2023 Ajit kumar 64 Views 0 Comments Read more
MCQ - CBSE Class 9 Science Write in brief about the harmful effects of water pollution. 10/04/2023 Ajit kumar 71 Views 0 Comments Read more
MCQ - CBSE Class 9 Science ‘Sun’ as a natural factor helps in the formation of soil. Explain, how. 10/04/2023 Ajit kumar 82 Views 0 Comments Read more
MCQ - CBSE Class 9 Science (a) Where is ozone layer found ? (b) What is ozone hole and how is it caused ? (c) State the harmful effects of ozone depletion ? 10/04/2023 Ajit kumar 88 Views 0 Comments Read more