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PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Subjects
Science CBSE
Class 9
Improvement in food resources
Textbook questions

42. Intext questions IV

Exercise condition:

3 m.

What are macro-nutrients and why are they called macronutrients?

a. Macronutrients are essential nutrients required in ________________.

large quantities for the proper growth and development of living organisms
small quantities for only the secondary sexual characteristics and the growth and development of living organisms.
small quantities for only the primary sexual characteristics and the growth and development of living organisms.
none of the above

b. Humans have __________ macronutrients: _______________. These macronutrients are responsible for providing energy in the form of calories.

four, carbohydrates, lipids, vitamins and proteins
six, cellulose, carbohydrates, lipids, vitamins, minerals and proteins
three, carbohydrates, lipids, and proteins
five, carbohydrates, lipids, vitamins, minerals and proteins

c. Plants require _______________ macro-nutrients, namely _________________.

six, nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur
seven, nitrogen, phosphorus, potassium, flurin, calcium, magnesium, and sulfur
five, nitrogen, phosphorus, calcium, magnesium, and sulfur
four, phosphorus, calcium, magnesium, and sulfur

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