Plants Unit Test Review

A student observes the roots of a plant using a hand lens. Small, thin hair-like structures are coming out from different parts of the root. How do the hair-like structures help the plant?

• They increase the area used by the plant for storing food.

• They increase the area used by the plant for absorbing water

• They increase the area used by the plant for absorbing sunlight.

• They increase the area used by the plant for making food.

Tags

NGSS.MS-LS2-1

Which two are functions of flowers?

• attract pollinators and make seeds

• make seeds and store food

• store food and take in water

• take in water and attract pollinators

Which statement is true for BOTH seedlings and mature plants? Both seedling and mature plants _____________

• have roots, stems, and leaves.

• can reproduce using flowers

• can pollinate other plants.

• are undeveloped plants.

Tags

NGSS.3-LS1-1

NGSS.4-LS1-1

Gabe returns home after playing in a nearby park. When Gabe removes his socks, he sees some spiny seeds hooked to his socks. How does this adaptation help the seed?

• It helps the seed float in the air.

• It helps the seed protect itself from drying.

• It helps the seed protect itself from animals.

• It helps the seed spread to distant places.

Tags

NGSS.MS-LS2-2

In a hot desert, cactus needles are thick because...

• animals eat cactus leaves and thick leaves taste better

• they keep water from evaporating

• they provide the cactus with shade

• Cacti do not store water

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

How are the stem of a tree and the stem of a flower MOST similar?

• Both are soft.

• Both have thorns.

• Both support the plant.

• Both have woody bark.

Which would MOST likely need to happen for a new plant to grow?

• Leaves grow out of a stem.

• A petal falls onto the ground.

• Insects pollinate a flower.

• A seed sprouts into a seedling

Tags

NGSS.MS-LS1-5

Drought and fire are common during the hot summers in a grassland. Which adaptation would MOST likely give a grassland plant an advantage for survival during a hot summer?

• stems that burn easily and grow slowly

• large leaves that let water evaporate quickly

• roots that store energy and help it grow back quickly

• long stems that help it reach the sunlight above other plants

Tags

NGSS.MS-LS1-5

NGSS.MS-LS4-4

Look at the diagram. Place the steps of a Plant Life Cycle in the correct order.

• mature plant, seedling, sprout, seed

• seed, sprout, seedling, mature plant

• seedling, sprout, seed, mature plant

• sprout, seed, mature plant, seedling

Tags

NGSS.3-LS1-1

What is the purpose of the leaves on a plant?

• to move and store water in the plant

• to take in water and nutrients from the habitat

• to protect the seed, as it forms around the seed

• to absorb sunlight and produce food for the plant

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3