Chapter 9 Lesson 1 Quiz

Which type of plant leaf loses the least amount of water?

• grass

• wide leaves

• heart-shaped leaves

• needles

Which structures of a cactus function to enable them to live in their environment? Select three correct answers.

• wide leaves that take in sunlight

• roots that spread widely to take in water

• a stem that stores water and makes food

• spines, or needles, that help protect the plant

• seeds that form in cones instead of flowers

What is the function of the roots of a plant?

• To make food for the plant

• To absorb water and nutrients from the soil

• To produce flowers

• To store sunlight

What is the function of the stem of a plant?

• To absorb water from the soil

• To support the plant and transport nutrients

• To produce seeds

• To protect the plant from animals

What is the function of the leaves of a plant?

• To store water

• To make food for the plant

• To absorb nutrients from the soil

• To protect the plant from insects

Tags

NGSS.MS-LS2-3

What are the main structures of a plant?

• Thorns

• Leaves

• Roots

• Waxy coating

• Stem

In many plants, the leaves have a waxy coating. What is the function of the waxy coating?

• making food from the energy of sunlight

• keeping water inside the leaves

• taking in water from the air

• keeping the leaves cool in summer and warm in winter

What is a structure that a cactus could have that will help it survive?

• A tall stem

• A sharp spine, or needles

• A waxy leaves

• Short roots