Model Paper 2025 — Physical Education STD 12 Commerce — Question
CBSE BoardEnglish MediumSTD 12 CommercePhysical EducationModel Paper 20252 Marks
Question
How we can say that protein is an essential component of diet?
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Answer
Protein is essential component of diet because protein is known as building block of life and it increase the strength of muscle fibers, repair and maintenance of body tissue and also connected with immune mechanism of the body.
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