WHS Bio Eco 14 Quiz

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According to evidence 1, what best describes the benefit of root hairs to a plant?

• Root hairs are strong and protect the root from insects

• Root hairs allow plants to communicate with other plants

• Root hairs increase the ability of plants to absorb water

• Root hairs increase the storage capacity of roots

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Mycorrhiza are fungi that live on the roots of plants. According to evidence 2, which of the following best describes the relationship between plants and mycorrhiza?

• Mycorrhiza provide water and nutrients to plants and plants provide carbohydrates to mycorrhiza

• Mycorrhiza often infect and damage the plants

• Mycorrhiza provide water and nutrients to the plant but the plant does not help the Mycorrhiza

• The plant provides carbohydrates to the mycorrhiza but the mycorrhiza do not help the plant

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According to evidence 3, which of the following most likely describes the structure of tubes inside a tree.

• Tubes inside a tree are likely very narrow because this allows the water to reach the highest height.

• Tubes inside a tree are likely very wide because this allows the water to reach the highest height.

• Tubes inside a tree are likely medium width because this allows the water to reach the highest height.

• Tubes inside trees vary in width because width does not affect the movement of water up the tree

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According to evidence 4, what types of sugar are found in greater quantities in the roots compared to other plant parts. (Choose all that apply)

• Starch

• Soluble Sugar

• NSC

• None

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According to evidence 5, which of the following best describes the processes used by plant root systems.

• Osmosis because plant roots only interact with water

• Diffusion because plant roots only interact with air

• Osmosis and diffusion because plant roots interact with both water and air

• Neither osmosis or diffusion because plants only interact with sugar