Question 13
Photosynthesis and Plant NutritionThe major site of photosynthesis in the leaf is the
- A.palisade parenchyma
- B.mesophyll parenchyma
- C.upper epidermis
- D.lower epidermis.
Show the answer and explanation
Answer: A (palisade parenchyma)
Explanation
Palisade cells are packed with chloroplasts and lie just below the upper surface where light is strongest, so most photosynthesis happens there.