CBSE Class 10 Science marks distribution 2026 explained with chapter-wise weightage for Biology, Chemistry, and Physics. Know ...

1. Why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans? Humans and other multicellular organisms have large bodies and require a lot of oxygen to reach ...

CBSE Class 10 Science Chapter Wise Important Case Study Questions: CBSE board exams are about to get started. Well, the Class 10 students are busy finishing their syllabus, revising important topics, ...

Preparing for the CBSE Class 10 Science Board Exam 2026 requires focused practice and smart revision. One of the most ...