Why is photosynthesis the basis of food chains?
AIt removes nitrogen from the air for proteins
BIt only releases oxygen which animals breathe
CIt traps solar energy into food usable by all
DIt builds proteins directly from amino acids
Answer & Solution
Correct answer: C. It traps solar energy into food usable by all
1. Almost all life depends on solar energy.
2. Only green plants and a few microbes capture it.
3. They convert it into chemical energy in food.
4. Animals get this energy by eating plants or each other.
_Source: Selina Concise Biology Class 10, Ch on Photosynthesis (Mistral OCR'd PDF), section on importance_
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