Topic 7 Lesson 2 Quiz Elevate grade 4

Multiple Choice

Which external structure of a plant helps protect the plant from loosing too much water?

• stamen

• sepal

• roots

• cuticle

Multiple Choice

Which root system best provides water to essential

structures of the plant, such as the leaves?

Multiple Choice

Which stem would best survive

in the environment

shown in the picture?

• thin stem with no bark

• thin stem covered with thick bark

• thick stem covered with bark

• thick stem with no bark

Multiple Choice

Sierra is writing a paper about the job functions of a botanist.

A botanist is a scientist who specializes in the study of plants.

Complete the sentences to help Sierra describe a job function of a botanist.

Botanists (protect / damage / classify) plants according to their structures.

• protect

• damage

• classify

Multiple Choice

Sierra is writing a paper about the job functions of a botanist.

A botanist is a scientist who specializes in the study of plants.

Complete the sentences to help Sierra describe a job function of a botanist.

Reproductive structures such as the (stem / leaves / sepal), the pistil, and the

stamen help botanists group plants.

• stem

• leaves

• sepal

Multiple Choice

Flowering plants have external structures that help them reproduce.

Which best describes how the external reproductive structures of

flowering plants function together to make new plants?

• The stamen of the flower attracts pollinators that move pollen

  from the petals to the pistil. The sepal protects the seeds until

  they are dispersed.

• The petals of the flower attract pollinators that move pollen

  from the stamen to the pistil. The sepal protects the seeds

  until they are dispersed.

• The pistil of the flower attracts pollinators that move pollen

  from the stamen to the leaves. The sepal protects the seeds

  until they are dispersed.

• The sepal of the flower attracts pollinators that move pollen

  from the petals to the pistil. The stamen protects the seeds

  until they are dispersed.

Multiple Choice

Flowering plants have external structures that help them reproduce.

Plants best reproduce when they have structures that can move their seeds

far away from the parent plant.

Choose the picture that best shows plants scattering their seeds.