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- 1. Multiple ChoiceThe plant tissue that carries food materials DOWNWARD from the leaves to the rest of the pant is the ______.PhloemStomataChlorophyllXylem
- 2. Multiple ChoiceVascular tissue that transports water and minerals UPWARDS from a plant's roots is know as ______.ChlorophyllPhloemStomataXylem
- 3. Multiple Choicewhat is the function of root hair?it is place to store the foodit has large surface area to absorb more water
- 4. Multiple ChoiceHow do water enter the roots from the soil?diffusionosmosistranspirationactive transport
- 5. Multiple Choice
Water vapour exits a plant leaf bythe stomatathe epidermisthe palisade cellsthe spongy mesophyll - 6. Multiple ChoiceTranspiration isthe movement of water through a plant from the roots up the stemthe loss of water from the leaves of a plant by the process of evaporationthe flow of water into plant roots by osmosis from the soilthe process of minerals and sugars moving through plant veins
- 7. Multiple ChoiceWhy is the evaporation of water from leaves important?It cools leaves and helps move water up the plant.It makes the plant wiltIt helps the plant to respire
- 8. Multiple Choice
Where is xylem found in the plant?
leave -> roots -> stem
roots -> stem -> leaves
root hairs -> leaves -> veins
stem -> roots
- 9. Multiple Choice
What do the guard cells do?
Control active transport
Control nutrients moving into the cell
Controls the rate of transpiration (loss of water through the leaf)
- 10. Multiple Choice
What does phloem transport?
Water
Minerals
Fruit
Sugar
- 11. Multiple Choice
What is the main factor that influences the rate of sugar transport?
movement of water
Rate of photosynthesis
capillary action
uprooting plants
- 12. Multiple Choice
Where does sugar transport begin?
Roots
Leaves
Root hairs
Vascular bundles
- 13. Multiple ChoiceXylem vessel elements are strengthened bylignincellulosemelaninpericycle
- 14. Multiple ChoiceHow will lowered humidity affect the rate of transpiration?decrease itincrease itno changeit depends
- 15. Multiple ChoiceAn increase in wind or temperature will ________________ transpirationincreasedecreaseno changenone
- 16. Multiple Choice
The rate of translocation in the phloem was observed to decrease steadily after a plant was placed in an environment without oxygen for several minutes. Why did this happen?
The cells in the plants stop respiring.
The xylem no longer takes in water for the plant.
Active transport of mineral salts can no longer occur.
The plant can no longer synthesize sugars to provide energy.
- 17. Multiple ChoiceThe equation for photosynthesis isoxygen + water --> glucose + carbon dioxideoxygen + glucose --> carbon dioxide + watercarbon dioxide + water --> glucose + oxygencarbon dioxide + glucose --> oxygen + water
- 18. Multiple ChoiceWhy does temperature have an effect on the rate of photosynthesis?Higher temperature allows carbon dioxide to diffuse into the leaves faster.Higher temperature allows water to be transported to the leaves faster.Higher temperature allows the stomata to open wider.Higher temperature allows the enzymes to function better.
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