plants

1. Gases for photosynthesis are exchanged through what part of the plant?

• leaf

• stem

• root

1. If a plant had limited sunlight what part of the plant would need to increase in size to be able to absorb more sunlight?

• roots

• leaf

• flower

1. What is the difference between xylem and phloem?

• phloem transports water and the xylem transports nutrients

• phloem transports water and the xylem transports minerals

• xylem transports water and the phloem transports nutrients

If a leaf on a plant was damaged what process would be most affected?

• reproduction

• photosynthesis

• transport of materials

What is the main function of a leaf?

• photosynthesis

• transport of materials

• reproduction

What structure in a leaf controls the opening and closing of the stomata?

• vascular tissue

• guard cells

• vascular cambium

If the xylem in a young tree is damaged what would be the part of the plant that would be affected first?

• absorbing water from the soil

• water evaporating from the leaves

• transporting water through the plant

Exchange of gases in the leaf will occur best when the _________ .

• leaf is moist and stomata are open

• leaf is moist stomata are closed

• leaf is dry and the stomata are open

• leaf is dry and the stomata are closed

If the cambium of the plant is damaged what process would be most affected?

• photosynthesis could not occur

• plant could not transport water and nutrients

• cellular respiration could not occur

What is the function of a flower?

• produce the egg and sperm

• photosynthesis

• transport and storage