Plants Review

How do roots help a plant?

• by producing pollen for bees

• by using the Sun's energy to make food

• by absorbing water and nutrients from the soil

• by absorbing oxygen from surrounding air

Which structure in the leaf controls the opening and closing of the stoma? 

• cuticle
• epidermis
• guard cell
• spongy mesophyll

The diagram  represents a flower, the reproductive structure of some plants. Most flowers have both male and female structures for fertilization and reproduction. Which structure is represented by the letter A in the diagram?

• the stamen, a male structure which produces pollen
• the pistol, a female structure which collects pollen and passes it to the ovary
•  the sepal, a modified leaf used for protection of the flower
• the petals, decorative structures which attract pollinators

The _____ function to make food for the plant using sunlight, air and water.

• flowers

• leaves

• stems

• roots

What is the function of the stem?

• to make seeds for the plant

• to absorb water and nutrients from the soil

• to make food for the plant

• to carry water, nutrients and food to other parts

Without the leaves, a plant cannot --

• absorb water from the soil.

• hold the plant in place.

• make seeds for new plants.

• make its own food.

Which is NOT a characteristic of plants?

• Autotroph
• Eukaryotic Cell
• Unicellular
• Cell walls

The plant tissue that carries food DOWNWARD from the leaves to the rest of the pant is the ______.

• Phloem
• Stomata
• Chlorophyll
• Xylem

Small openings called ______ are found on the underside of leaves and allow gases to enter or leave the plant cells.

• Phloem
• Chloroplasts
• Xylem
• Stomata

Vascular tissue that transports water and minerals UPWARDS from a plant's roots is known as ______.

• Cuticle
• Phloem
• Stomata
• Xylem