Photosynthesis

Review

The products of photosynthesis are

• A) glucose and water• B) carbon dioxide, water, and energy• C) glucose and carbon dioxide• D) carbon dioxide, chlorophyll, and oxygen• E) glucose and oxygen

What structural feature of a leaf allows a leaf to obtain carbon dioxide from the air?

• A) stomata• Epidermis• Cuticle• Mesophyll• Chloroplast

The vast majority of chloroplasts found in a leaf are located where?

• A) vascular bundles• B) Cuticle• C) epidermis• D) stomata• E) mesophyll

Molecules of chlorophyll are located in membranes of sacs called _______

• A) cristae• B) Thylakoids• C) Stroma• D) Grana• E) vesicles

What factors influence the rate of photosynthesis?

• A) light intensity• B) temperature• C) Carbon dioxide• D) water availability• E) all of these

The cellular organelle which is responsible for photosynthetic activity is the ____

• A) nucleusb) Mitochondrionc) Chloroplast d) Endoplasmic reticulum

Practice this diagram with the labelled parts

Fill in the blanks

• Light dependent reaction occurs in the _________ and light independent reaction occurs in the ____________ of the chloroplast of a typical mesophyll leaf cell.

• The cells in the ____________ layer of the leaf contain the majority of a leaf’s chloroplasts

• The process of photosynthesis converts solar energy into _________ energy stored in the bonds of glucose

The energy source in photosynthesis is

• A) glucose• B) ultraviolet light• C) visible light• D) Air• E) oxygen

A pigment that absorbs red and blue light and reflects green light is

• A) phycocyanin• B) carotenoid• C) xanthophyll• D) melanin• E) chlorophyll

Which of the following is NOT true of chlorophyll?

• A) It is green in color• B) It absorbs light at the red and blue ends of

the spectrum• C) It is the main photosynthetic pigment in

plants• D) It is found in mitochondria• E) It does not absorb green wavelengths of

light

You are experimenting with different types of lighting for your indoor green plants. Which of the following colors of light will be

most effective?

• A) green• B) orange-yellow• C) blue• D) red-green• E) red-blue

During the process of photosynthesis, solar energy is converted into

• A) chemical energy• B) heat energy• C) thermal energy• D) mechanical energy• E) nuclear energy

Answer the Following

• Define Photosynthesis• Write the overall equation of photosynthesis.• Explain why a plant left in the dark for a long

period of time will test negative for starch?

Give the Functions of the following

• Stomata• Cuticle• Chloroplast• Light dependent reaction

• C_ __ __ __ __ __ __ __ __ __ __ is the main light absorbing pigment found in green plants.

• 3. Plants “look” green because chlorophyll _R_ __ __ __ __ __ __ __ green light.

• Organisms, like green plants, that can make their own food using energy from the sun are called

• _A_ __ __ __ __ __ __ __ __ __.• The stacks of thylakoids found inside chloroplasts

are called _G_ __ __ __ __ .

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• What is it called?

• DESCRIPTION• Organisms that can make their• own food• Organisms that obtain energy• from the food they eat

• GIVE 2 EXAMPLES

On the line below each picture, classify the organisms as either AUTOTROPH or a

HETEROTROPH

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• Chlorophyll absorbs light very well in the _______________ regions of the visible spectrum.

• (Circle all that are true)• A. blue-violet• B. green• C. red• D. yellow

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• A student conducts an experiment by collecting the gas given off by a green plant in bright sunlight at

• room temperature. The gas being collected is probably ___________________.

• A. ATP• B. water vapor• C. carbon dioxide• D. oxygen

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