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 2024-25 Competency-Based Questions With Answers: The CBSE Class 10 Science chapter on Life Processes covers essential functions in living organisms, such as nutrition, respiration, circulation, ...
CBSE Class 10th Science Answer Key 2025: The CBSE Class 10 Science Exam 2025 was held on February 20, 2025. As per the initial student reactions, the paper was of moderate difficulty level. To help ...
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