Plant Test Review 8th Grade

Roots take in water and ____________ from soil.

• flowers

• nutrients

• glucose

• air

Water and gases pass into and out of leaves through tiny holes called_____________.

• roots

• xylem

• stomata

• ears

Answer explanation

Which part of the plant soaks in the sun to help feed the plant?

• root

• stem

• leaf

• flower

This part of the plant supports it and carries water.

• root

• stem

• leaf

• flower

__________ is a substance inside a plant's cell that gives leaves their green color.

• chlorophyll

• sun

• water

• chlorine

The organ of sexual reproduction in plants is the :

• petals

• flower

• leaf

• stalk

During which process do cells use oxygen to release stored energy?

• photosynthesis

• respiration

• circulation

• digestion

The flowchart below represents the process of

photosynthesis. One step in the process is labeled X. Which activity occurs at X?

• Plants are eaten by animals for food

• Carbon dioxide and water are used to make

  sugar.

• Plants release water into the soil.

• Animals breathe out carbon dioxide.

The diagram below represents a bean seed that has been cut in half to show its various structures. Which letter represents the stored food that the

new plant will use for early development?

• A

• B

• C

• D

Base your answers to the question on the drawings of bird feet and the dichotomous key below. Bird B is correctly identified as

• a cormorant

• a duck

• an eagle

• a jacana