Plant Structure and Function Assessment

The video tutorial covers the parts of a plant, focusing on the functions of the stem. It explains how stems support leaves and transport water and nutrients through xylem and phloem. The tutorial also discusses tree trunks, their composition, and how to determine a tree's age by counting rings. The video concludes with a recap of the key points covered.

What is the primary role of a plant's stem?

• To absorb sunlight

• To support the leaves

• To produce seeds

• To attract pollinators

How does water reach the leaves and flowers of a plant?

• Through the soil

• Via the stem

• Through the air

• By the leaves

What are the two types of hollow tubes found in plant stems?

• Bark and Trunk

• Veins and Arteries

• Xylem and Phloem

• Roots and Leaves

In which direction does xylem transport water and minerals?

• Downward

• In all directions

• Sideways

• Upward

What is the function of phloem in a plant?

• To transport water only

• To support the plant

• To transport food in both directions

• To absorb sunlight

What is a tree's stem commonly called?

• Trunk

• Root

• Leaf

• Branch

What do tree rings indicate?

• The type of tree

• The health of the tree

• The age of the tree

• The height of the tree

Where can the longest living tree, the bristlecone pine, be found?

• In California and Nevada

• In the Australian Outback

• In the Amazon rainforest

• In the Sahara Desert

What is the main material that makes up a tree trunk?

• Stone

• Wood

• Plastic

• Metal

What are the lines on leaves that help transport water and food called?

• Veins

• Arteries

• Roots

• Branches