Chapter 18 Test: Plant Structure and Function

Which of the following plant parts is not a part of the leaf?

• the stoma

• the Casparian strip

• the mesophyll

• the cuticle

Nathaniel is visiting his city’s plant conservatory, which is a giant old greenhouse. He notices that there is condensation on the inside of the roof. Which of these processes likely led to the water droplets on the roof? Choose the two most likely processes.

• evaporation of water from the soil

• release of hydrogen and oxygen gases by plants

• osmosis from the larger trees

• transpiration by plants

Which of the following would not be possible without the Casparian strip? Choose three correct answers.

• transpiration

• sugar storage

• root pressure

• nutrient transport to leaves

In which structure of the plant does gas exchange occur most frequently?

• tap roots

• flowers

• leaves

• stems

Tags

NGSS.HS-LS2-5

Where on a plant are apical meristems found? Choose two correct answers.

• in the centers of stems

• at the tips of stems

• in the centers of leaves

• at the tips of roots

How are the two types of vascular different from each other?

• Xylem carries water to leaves; phloem carries sugars from leaves.

• Phloem tissue carries water to leaves; xylem carries sugars from leaves.

• Only xylem provides structure for plant stems.

• Only phloem provides structure for plant stems.

Tags

NGSS.MS-LS2-3

What is the primary function of ground tissue?

• providing support for stems and leaves

• producing and storing sugars

• producing and transporting sugars

• absorbing water from the soil

Root systems are classified as fibrous root systems and taproot systems. Which property distinguishes the two types of root systems from each other?

• the method of water absorption

• the branching pattern of the roots

• the presence of xylem and phloem

• the growth rate of the roots

Which of the following are the world’s four major food crops?

• corn, rice, soybeans, potatoes

• barley, corn, soybeans, rice

• peas, barley, rice, corn

• rice, corn, soybeans, wheat

Which two processes are responsible for the leaves being colored?

• osmotic pressure and photosynthesis

• atmospheric pressure and root pressure

• capillary action and transpiration

• transpiration and photosynthesis