Leaf Structure

Leaf Structure

Assessment

Flashcard

Biology

9th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the spongy layer in a leaf?

Back

The spongy layer, or spongy mesophyll, is a layer of loosely packed cells in the leaf that allows for gas exchange and contains air spaces for the diffusion of gases.

2.

FLASHCARD QUESTION

Front

What are guard cells?

Back

Guard cells are specialized cells that surround stomata and control their opening and closing, regulating gas exchange and water loss in the leaf.

3.

FLASHCARD QUESTION

Front

What is the function of the cuticle in a leaf?

Back

The cuticle is a waxy layer that covers the leaf surface, preventing water loss through evaporation.

4.

FLASHCARD QUESTION

Front

What is the role of stomata in leaves?

Back

Stomata are small openings on the leaf surface that allow for gas exchange, enabling carbon dioxide to enter and oxygen to exit.

5.

FLASHCARD QUESTION

Front

What is the palisade layer?

Back

The palisade layer is a layer of tightly packed cells in the leaf that contains chloroplasts and is primarily responsible for photosynthesis.

6.

FLASHCARD QUESTION

Front

What is the difference between xylem and phloem?

Back

Xylem transports water and dissolved minerals from the roots to the leaves, while phloem transports dissolved sugars from the leaves to other parts of the plant.

7.

FLASHCARD QUESTION

Front

What is the function of the epidermis in a leaf?

Back

The epidermis is the outer layer of cells that protects the leaf and helps reduce water loss.

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