Here we are providing NCERT solutions for CBSE Class 11 Biology chapter – Breathing and Exchange of Gases. All these model solutions have been prepared by the subject experts. These solutions will ...
5. In the context of muscle contraction, what is the role of ATP (adenosine triphosphate)? a) It provides oxygen to muscles. b) It is a neurotransmitter that signals muscle contraction. c) It supplies ...
CBSE Class 11 Exam Pattern and Marking Scheme 2025: If you are a Class 11 student of the Central Board of Secondary Education (CBSE), looking for the CBSE Class 11 Biology Exam Pattern and Marking ...
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