GCSEBiology quiz

Plant Biology

7 questions~1 min7 fill-in

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Plant Biology: all 7 questions

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1. Water moves up the plant in the _____.
Xylem
Xylem vessels carry water and minerals from roots to leaves.
2. Dissolved sugars are transported in the _____.
Phloem
Phloem tubes carry sugars from leaves to the rest of the plant.
3. Photosynthesis produces glucose and _____.
Oxygen
Oxygen is released as a by-product when plants split water molecules.
4. Tiny pores on the underside of leaves are called _____.
Stomata
Stomata open and close to control gas exchange and water loss.
5. The cells that control each stoma are _____ cells.
Guard
Guard cells change shape to open or close the stoma between them.
6. The green pigment in plant cells is called _____.
Chlorophyll
Chlorophyll absorbs light energy, mostly from red and blue wavelengths.
7. Loss of water from leaves is called _____.
Transpiration
Transpiration pulls water up the xylem and cools the leaf.