Plants

In what plant cell structure is water stored?

• chloroplast

• cell wall

• vacuole

• cytoplasm

The leaf's cuticle

• stores water

• reduces evaporation

• transports water in the leaf

• absorbs water for the leaf.

What stage produces egg and sperm cells during the life cycle of a plant?

• gamete

• gametophyte

• sporophyte

• zygote

A grapevine coiling around a fence post is an example of

• positive gravitropism.

• positive thigmotropism.

• negative phototropism.

• all of the above

What happens in the phloem?

• water moves up from the roots

• food moves down from the leaves

• food moves up from the roots and stems

• water moves down to roots

Germination will not happen unless a seed

• is dispersed far from the plant that produced it.

• absorbes water

• uses its stored food

• grows stamens and a pistil

Tags

NGSS.MS-LS2-1

What part of a woody stem forms rings that indicate the tree’s age?

• xylem

• phloem

• cambium

• inner bark

The stages of a plant’s life cycle are

• sporophyte and spore.

• sporophyte and gametophyte.

• spore and gametophyte.

• egg and gametophyte.

Why must ferns live in moist environments?

• to transport spores to new locations

• to transport water to all cells

• so that egg and sperm cells can join

• so that fiddleheads develop for food

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

The energy that powers photosynthesis comes from

• water.

• chemicals.

• oxygen.

• the sun.

Tags

NGSS.MS-LS1-6