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NTT IGCSE Biology Leaf Structure Exam Questions & Answers 2024/2025
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NTT IGCSE Biology Leaf Structure Exam Questions & Answers 2024/2025
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NTT IGCSE Biology Leaf Structure ExamQuestions & Answers 2024/2025
What is photosynthesis? - ANSWERSThe process in which plants use light energy from the sun to
combine water with dioxide in order to produce oxygen and glucose
What is the word equation for photosynthesis? - ANSWERSWater + Carbon Dioxide >using light energy
and chlorophyll> = Glucose + Oxygen
What is the role of chlorophyll in photosynthesis? - ANSWERSGreen pigment in plants that absorbs light
energy used to carry out photosynthesis
What is the role of the waxy cuticle? - ANSWERSa waterproof Layer on the surface of the leaf which
reduces water loss, transparent to allow light enter the palisade mesophyll layer
What is the role of the palisade mesophyll layer? - ANSWERSlayer in leaf that contains a lot of
chlorophlasts, most photosynthesis occurs there
What is the stomata? - ANSWERSholes found in the structure that allow gases exchange in the leaf
What is the role of guard cells? - ANSWERSchange shape to open and close the stomata
What are the products of photosynthesis? - ANSWERSglucose and oxygen
What is the role of the upper epidermis? - ANSWERSmakes the waxy cuticle
How is the palisade mesophyll layer adapted for photosynthesis? - ANSWERSPalisade cells are densely
packed together and contain many chloroplasts.
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