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- 1. Multiple ChoiceThe water needed for photosynthesis comes into the leaves through theupper epidermisstomataguard cellsxylem cells
- 2. Multiple ChoiceThe important gases, carbon dioxide and oxygen, enter and leave the leaf through theupper epidermisphloemstomataguard cells
- 3. Multiple ChoiceWhich structures open and close stomata to allow gas exchange but prevent water loss in leaves?EpidermisVascular tissueGuard cellsSpongy mesophyll
- 4. Multiple ChoiceWhich structure helps prevent water loss and protects the leaf?Palisades mesophyllSpongy mesophyllVascular tissueCuticle
- 5. Multiple Choice
What is the name of the elongated, packed cells (part G) directly under the upper epidermis?
Palisade cells
Guard cell
Spongy layer
Lower epidermis
- 6. Multiple Choice
The column-like cells that lie directly underneath the epidermis makes up the
spongy mesophyll
palisade mesophyll
cuticle
bundle sheath
- 7. Multiple Choice
What is letter "A" pointing to?
cuticle
upper epidermis
lower epidermis
palisade mesophyll
- 8. Multiple Choice
What is letter "D" pointing to?
upper epidermis
palisade mesophyll
spongy mesophyll
bundle sheath
- 9. Multiple Choice
Which of the following is pointing to the "guard cell"?
B
C
D
E
- 10. Multiple Choice
Which part of the leaf consists of xylem and phloem?
vascular bundle
bundle sheath
palisade mesophyll
spongy mesophyll
- 11. Multiple Choice
Most photosynthesis occurs in this part of the leaf:
upper epidermis
cuticle
palisade mesophyll
spongy mesophyll
- 12. Multiple Choice
The outermost layer of CELLS of the leaf is the
cuticle
epidermis
spongy mesophyll
bundle sheath
- 13. Multiple Choice
This layer of cells is where photosynthesis occurs within the leaf; there are air spaces within this layer
spongy mesophyll
palisade mesophyll
chloroplast
upper epidermis
- 14. Multiple Choice
The cell organelle where photosynthesis occurs in plant cells is the
chloroplast
mitochondrion
vacuole
nucleus
- 15. Multiple Choice
The vascular tissue which transports sugar (food) in both directions within the leaf is the
xylem
phloem
bundle sheath
chloroplast
- 16. Multiple Choice
Which two layers of the plant contain chloroplasts?
xylem and phloem
upper and lower epidermis
cuticle and upper epidermis
palisade and spongy mesophyll
- 17. Multiple Choice
The majority of the stomata of a leaf can usually be found within the
guard cells
upper epidermis
lower epidermis
cuticle
- 18. Multiple ChoiceThe reactants needed for photosynthesis to occur are:carbon dioxide & watercarbon dioxide & oxygenoxygen & watercarbon dioxide, oxygen & water
- 19. Multiple ChoiceThe role of the guard cell is tohelp control the temperature of the plantcontrol how much water enters the leafcontrol how much glucose is storedcontrol the movement of water vapour & gases
- 20. Multiple ChoiceSugar and the products of photosynthesis move through the plant inthe phloem cellsthe xylem cellsthe root hair cellspalisade mesophyll layer
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