Leaf Structure

Presentation

•

Biology

•

7th - 9th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-LS1-6, MS-LS1-2, HS-LS2-5

Standards-aligned

Steve Martin

Used 25+ times

FREE Resource

4 Slides • 24 Questions

Leaf Structure

Multiple Choice

This layer of cells is where photosynthesis occurs within the leaf; there are air spaces within this layer

spongy mesophyll

palisade mesophyll

chloroplast

upper epidermis

Multiple Choice

The outermost layer of CELLS of the leaf is the

cuticle

epidermis

spongy mesophyll

bundle sheath

Multiple Choice

Which part of the leaf consists of xylem and phloem?

vascular bundle

bundle sheath

palisade mesophyll

spongy mesophyll

Multiple Choice

Which number is pointing to the xylem of the leaf?

Multiple Choice

What is letter "D" pointing to?

upper epidermis

palisade mesophyll

spongy mesophyll

bundle sheath

Multiple Choice

The column-like cells that lie directly underneath the epidermis makes up the

spongy mesophyll

palisade mesophyll

cuticle

bundle sheath

Multiple Choice

What is the name of the elongated, packed cells (part G) directly under the upper epidermis?

Palisade cells

Guard cell

Spongy layer

Lower epidermis

Multiple Choice

The water needed for photosynthesis comes into the leaves through the

upper epidermis

stomata

guard cells

xylem cells

Multiple Choice

The important gases, carbon dioxide and oxygen, enter and leave the leaf through the

upper epidermis

phloem

stomata

guard cells

Multiple Choice

The leaf has a shiny, waxy cuticle around it to

increase the rate of photosynthesis

attract more light

control water loss

stop carbon dioxide and oxygen gases escaping

Multiple Choice

The structure of guard cell ......

has a small sap vacuole

has thicker outer wall & thinner inner wall

is a specialised mesophyll cell

are kidney shape and exist in pairs

Multiple Choice

Where are the stomata found on the leaf?

On the cuticle

In the mesophyll layer

On the underside of the leaf

In the vascular tissue

Multiple Choice

Leaves will have the highest number of stomata when

temperatures are unusually high and CO2 levels are also high

temperatures are low and CO2 levels are also low

temps are high and CO2 levels are low

temps are low and CO2 levels are high

Multiple Choice

A stoma is

an opening

a clot

a cell that captures light energy

a water tube

Multiple Choice

The main function of stomata is to

capture sunlight

protect leaves from insects

allow gases to move rapidly in/out of leaves

release sugars into the atmosphere

Multiple Choice

Stomata are made of specialized cells called ______ which surround a tiny pore/opening

stoma

guard cells

dermal cells

diffusion channels

Multiple Choice

Which organisms perform Photosynthesis?

Only Autotrophs

Only Heterotrophs

Autotrophs and Heterotrophs

Multiple Choice

How does carbon dioxide get into the leaves of a plant?

It's absorbed by the roots

It's made in a chemical reaction in the stem

It enters through the stomata

It goes through the flowers

Multiple Choice

How does most of the water needed by the plant get into its leaves?

It enters through the stomata

The roots absorb it and then it travels up the stem

It's made during a chemical reaction in the leaf

The flowers capture water and deliver it to the leaves

Multiple Choice

Is Glucose (C₆H₁₂O₆) a Raw Material (Ingredient) or Product of Photosynthesis?

Product

Raw Material

Neither

Multiple Select

Select all that are raw materials for Photosynthesis.

Water

Carbon Dioxide

Oxygen

Sunlight (Light Energy)

Glucose (Sugar/food)

Multiple Choice

Most plants appear green because chlorophyll

absorbs green light.

absorbs violet light.

does not absorb green light.

does not absorb violet light.

Multiple Choice

What are the products of photosynthesis?

water and carbon dioxide

oxygen and glucose

oxygen and carbon dioxide

oxygen and water

Multiple Choice

What molecule absorbs sunlight for photosynthesis?

chloroplast

thylakoid

grana

chlorophyll

Leaf Structure

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