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Per NCERT Class 10 Biology Ch 5, what is AUTOTROPHIC nutrition?
AEating food prepared by other organisms
BAbsorbing oxygen from the air
CNutrition where organisms make their own food using SIMPLE inorganic substances (CO₂ + H₂O) and an external energy source — e.g. green plants via photosynthesis
DStoring food in vacuoles
Answer & Solution
Correct answer: C. Nutrition where organisms make their own food using SIMPLE inorganic substances (CO₂ + H₂O) and an external energy source — e.g. green plants via photosynthesis
Per NCERT §5.2.1, autotrophic nutrition = synthesising own food from inorganic sources. The other options describe heterotrophic / storage / respiration.
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