9th Health and Physical Education NCERT Chapter 2
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– Role of Environment: Nutrition is critical for growth, with various essential nutrients like proteins, carbohydrates, lipids, minerals, vitamins, and water being necessary for sustenance and growth【4:0†source】.
– Growth, Development, and Maturation: Growth is a quantitative increase in size, development involves qualitative and quantitative changes leading to an organized state, and maturation is a measure of functional capacity such as speech development and walking ability【4:4†source】.
– Determinants of Growth and Development: Growth is influenced by both genetic and environmental factors, with nutrition playing a key role in fostering growth while the socio-cultural context also impacts growth and development【4:3†source】.
List one difference between Growth and Development as mentioned in the chapter.
Categorize the following events into Growth (G), Development (D), or Maturation (M): a) Baby on seeing his mother begins to utter the word 'MA'. b) A plant observed in the garden a few months ago is now a shrub.
Provide one reason why a teenager should maintain a nutritious diet.
How can you dispel Arun's unnecessary anxiety about not being as tall as others in his class?
List at least two factors that affect growth according to the chapter.
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