1st 9 Weeks Review 21-22

what is the primary function of plant leaves?

• to support the plant

• to trap sunlight for photosynthesis

• to take in water

• to product flowers

What plant tissue transports sugar throughout the plant?

• xylem

• phloem

• leaves

• stems

Which diagram illustrates phototropism?

• A

• B

• C

• D

Which cell organelle releases energy in the form of ATP?

• vacuole

• nucleus

• chloroplast

• mitochondria

Which plant cell diagrams would represent the cells of a plant with high turgor pressure?

• A

• B

• C

• None of the cells have high turgor pressure

If the xylem tissue of a plant is damaged, which of the following would take place?

• food could not get to the roots

• water could not get to the roots

• food could not get to the leaves

• water could not get to the leaves

When an insect lands on a Venus Fly trap formed by two curved lobes of a single leaf, the trap rapidly switches from an open to a closed. This is an example of which of the following?

• Hydrotropism

• Gravitropism

• Thigmotropism

• Phototropism

Different kinds of plants living in the same area must compete for water, which kind of plant has the greatest chance for survival?

• a plant with needles instead of leaves

• the plant with the largest leaves

• the plant with the thickest leaves

• the plant with the largest root system

A stick of celery is left in a beaker containing blue food colored water. After two days the celery was removed, and it was seen that parts of the celery had turned blue. What plant tissue is responsible for this change?

• leaf

• stem

• xylem

• phloem

Which of the following is NOT a function of the stem?

• supports the plant and its leaves

• transports food from the leaves to other parts of the plant

• transports water and minerals up from the roots

• produces seed for plant reproduction