Science test FILL IN THE BLANK😭

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Woody stems _____ more flexible than herbaceous stems.

Are not

______ is a component of plant cell walls.

Cellulose

The root system of grasses that consists of many nearly equal- sized roots are a _______ system.

Fibourous root system

The vascular cambium is a _________ region in plants.

Growth

Auxin is a type of plant ________.

Hormone

_______ are used to kill weeds, control fruit ripening, and to stimulate plant growth.

Hormones

The exchange of gases in the woody areas of plants takes place through tiny openings in the bark called _______.

Lenticels

The closing of a Venus flytrap is an example of _______.

Nastic movement

A plants stem exhibits _____ gravitropism.

Negative

_____ tropism is growth away from a factor.

Negative

______ transports a sugar solution.

Phloem

A plants response to light is controlled by special pigments called _____.

Phytochromes

A chloroplast is an example of a ________.

Plastid

The three types of plants organs are __________.

Roots, stems, leaves

An annual growth ring is composed of _________.

Spring wood, xylem, summer wood

_____ are found on the lower surface of leaves.

Stomata

Nastic movements is caused by changes in ______.

Turgor pressure

______ is caused by the presence of water inside plant cells.

Turgor pressure

If a plants guard cells malfunction the plant might suffer excessive _______.

Water loss

What is an opposite leaf arrangement

Where 2 leaves are attached at a node

A collection of xylem is known as ________.

Wood

_____ is the plant tissue that carries water from the roots to the leaves.

Xylem


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