Transport in plants

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Transport in plants

This image shows Xylem and Phloem

Look at the image above, which tube is representing the Xylem? *

1 point

The blue tube

The pink tube

Which statement correctly describes Phloem? *

1 point

cells transport water and minerals up the stem from the roots to the shoots and leaves. This transport occurs in one direction only.

cells transport sugars produced in the leaves up and down the stem to growing and storage tissues.

Which of the following are formed from dead cells? *

1 point

Xylem

Phloem

What are the two cells called that surround the small holes on the bottom of a leaf? *

1 point

Stomata

Guard cells

Chloroplasts

Palisade cells

Leaf Adaptations

Large leaves are adapted to: *

1 point

Allow more water into the leaf

Allow more sunlight to be absorbed

Allow more gases to diffuse in and out

Lots of stomata: *

1 point

Allow more water into the leaf

Allow more sunlight to be absorbed

Allow more gases to diffuse in and out

Stomata open on sunny days... *

1 point

To minimise gas exchange for photosynthesis

To maximise gas exchange for photosynthesis

To allow more sunlight into the leaf

Transpiration is... *

1 point

The gain of water vapour from the leaves

The loss of water vapour from the leaves

Transpiration causes.... *

1 point

Water vapour to absorbed into the leaf for use in photosynthesis

Water to be pulled up through the phloem

Water to be pulled up through xylem as the water vapour is evaporating from the leaves

Why is it important that plant leaves are able to close the stomata? *

1 point

So that it can stop absorbing more water vapour

So that is can limit the loss of water vapour

So that it can control the amount of sunlight absorbed

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