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 10th Science Syllabus 2025-26: The CBSE Class 10 Science examination is scheduled to be held on 26th February 2026. With the exam drawing closer, students must intensify their preparation by ...

To excel in your CBSE Class 10 Science exam, strategic preparation is crucial. For the academic year 2025-26, the CBSE board has implemented a revised syllabus, removing specific topics. This update ...

CBSE Class 10 Board Exam 2025 Live: The Class 10 Science paper was held in a single shift, from 10:30 am to 1:30 pm. CBSE Class 10 Board Exam 2025 Live: Central Board of Secondary Education (CBSE) ...