Leaf Structure and Venation Types

Leaf Structure and Venation Types

Assessment

Interactive Video

Biology, Science, Other

6th - 8th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

This video tutorial explores the external anatomy of a leaf, covering key components such as the petiole, stipules, leaf blade, and margin. It explains various venation patterns like pinnate, palmate, and parallel, and distinguishes between simple and compound leaves, including palmate and pinnate compound leaves. The video concludes with a brief summary and encourages viewers to subscribe for more content.

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of the petiole in a leaf?

It stores nutrients for the plant.

It protects the leaf from herbivores.

It attaches the leaf to the plant stem.

It is the main photosynthetic part of the leaf.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main part of the leaf called?

Leaf blade or lamina

Petiole

Stipule

Rachis

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following describes a smooth leaf margin?

The edge is jagged.

The edge is even and unbroken.

The edge is wavy.

The edge has deep indentations.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of venation has a central midrib with branches like a feather?

Palmate

Reticulate

Parallel

Pinnate

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which type of venation do several main veins extend from the base of the leaf?

Reticulate

Parallel

Palmate

Pinnate

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a simple leaf?

A leaf with a single blade.

A leaf with a complex venation pattern.

A leaf with multiple blades.

A leaf with a lobed margin.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a palmate compound leaf?

A leaf with leaflets growing from the tip of the petiole.

A leaf with leaflets arranged along a central stalk.

A leaf with a single blade.

A leaf with parallel venation.

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