Photosynthesis & Cellular Respiration

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Cellular respiration converts oxygen and glucose into water and carbon dioxide.

Cellular respiration

Photosynthesis converts carbon dioxide and water into oxygen and glucose.

Photosynthesis

Cellular respiration
vs
Photosynthesis

Glucose

Glucose is used as food by the plant and oxygen is a by-product.

Multiple Choice

The two reactants in the cellular respiration equation are

• C 6 H 12 O 6 + 6O 2

• 6CO 2 + 6H 2 O

Multiple Choice

The two products in the cellular respiration equation are

• 6CO 2 + 6H 2 O

• C 6 H 12 O 6 + 6O 2

Multiple Choice

Why is the cellular respiration equation written with several arrows?

• a. Because a series of products result from the reaction.

• b. Because a series of reactants enter into the reaction.

• c. Because a series of chemicals is added to the process.

• d. Because a series of chemical reactions occurs.

Multiple Choice

Glycolysis is an anaerobic process, because it takes place without .....................

• CARBON DIOXIDE

• OXYGEN

Multiple Choice

During the Krebs cycle, chemical reactions ............................. carbon-based molecules.

• break down

• forms

Multiple Choice

What is the correct equation for cellular respiration?

• C 6 H 12 O 6 + 6 O 2 --> 6 CO 2 + 6 H 2 O + ATP

• carbon dioxide + sugar + Energy -> carbon dioxide + water

• carbon dioxide + water -> oxygen + sugar + Energy

• carbon dioxide + water + Energy -> oxygen + sugar

Multiple Choice

What is important about cellular respiration?

• It produces energy from the sun.

• It forms sugar.

• It transforms sugar into a usable form of energy (ATP)

• Only plants perform this process.

Multiple Choice

What happens to your breathing rate when you exercise?

• It increases
• It decreases
• It stays the same

Multiple Choice

One molecule needed for cellular respiration is

• carbon dioxide

• glucose

• water

• chlorophyll

Multiple Choice

The following diagram shows the relationship between photosynthesis and respiration.  What products of photosynthesis are starting material for cellular respiration?

• glucose and oxygen
• heat energy and ATP
• carbon dioxide and water
• light energy and chlorophyll

Multiple Choice

How are plant cells different from animal cells?

• Only plant cells can grow
• Only animal cells can reproduce
• Only animal cells can store energy
• Only plant cells can perform photosynthesis

Multiple Choice

Glucose molecules store _____________.

• chemical energy

• kinetic energy

• gravitational potential energy

• heat energy

Multiple Choice

Where does aerobic respiration take place?

• Cytoplasm
• Mitochondria
• Stroma
• Thylakoid

Multiple Choice

Which type of respiration occurs in the presence of oxygen?

• Aerobic
• Anaerobic

Multiple Choice

What is the sugar that carbs are broken down to?

• sucrose
• maltose
• glucose
• lactose

Multiple Choice

What is the correct equation for cellular respiration?

• C 6 H 12 O 6 + 6 O 2 --> 6 CO 2 + 6 H 2 O + ATP

• 6O₂ + C₆H₁₂O₆ + Energy -> 6CO₂ + 6H₂O
• 6CO₂ + 6H₂O -> 6O₂ + C₆H₁₂O₆ + Energy
• 6CO₂ + 6H₂O + Energy -> 6O₂ + C₆H₁₂O₆

Multiple Choice

What is cellular respiration?

• the breakdown of glucose  to release ATP
• the breakdown of glucose to release NADH
• the breakdown of glucose to release FADH
• the breakdown of glucose to release carbon

Multiple Choice

Which of the following is a product of cellular respiration?

• Radiant Energy

• Oxygen

• Glucose

• Water

Multiple Choice

Which statement is true regarding cellular respiration?

• The reactants of cellular respiration are identical to the reactants of photosynthesis.

• The reactants of cellular respiration are obtained from the products of photosynthesis.

• The products of cellular respiration are the same as the products of photosynthesis

• Cellular respiration only occurs in autotrophs, photosynthesis occurs only in heterotrophs.

Photosynthesis

Multiple Choice

Where do plants get the energy for photosynthesis to take place?

• nutrients in the soil

• the sun

• chlorophyll

• bee pollination

Multiple Select

What two things are the product (end result) of photosynthesis?

• Oxygen

• Glucose

• Chloroplasts

• Carbon Dioxide

Multiple Choice

Where do the stem and leaves get their green color from?

• glucose

• carbon dioxide

• oxygen

• Chlorophyll

Multiple Choice

What does chlorophyll capture?

• Chlorophyll captures water from the air.
• Chlorophyll captures carbon dioxide from the air.
• Chlorophyll captures the energy of sunlight.
• Chlorophyll captures baseballs.

Multiple Choice

What two materials are needed for photosynthesis?

• Water and soil.
• Carbon dioxide and water.
• Carbon dioxide and chlorophyll.
• Peanut butter and jelly.

Multiple Choice

Which statement about photosynthesis is correct?

• Plants get the energy they need for photosynthesis from water.
• Plants get the energy they need for photosynthesis from soil.
• Plants get the energy they need for photosynthesis from sunlight.
• Plants do not require energy to perform photosynthesis.

Multiple Choice

Which sentence correctly describes photosynthesis. (assume there is enough sunlight)

• CO₂ and water combine and make O₂ and glucose
• O₂ and water combine to make glucose and CO₂
• O₂ and CO₂ combine to make water and glucose
• CO₂ and glucose combine to make O₂ and water

Multiple Choice

Which of the following is the correct equation for PHOTOSYNTHESIS?

• CO₂ + light + H₂O --> O₂ + glucose
• CO₂ + glucose + H₂O --> O₂ + light
• _O2 + light + H₂O --> CO₂ + glucose
• CO₂ + O₂ + H₂O --> Light+ glucose

Multiple Choice

Which of the following is NOT a product of the light reactions?

• Oxygen

• NADPH

• ATP

• Glucose (Sugar)

Multiple Choice

Where do the light reactions happen?

• mitochondria membrane
• thylakoid membrane
• stroma
• central vacuole

Multiple Choice

What are the two products of the light reactions that are needed for the calvin cycle?

• NAD and NADPH
• NADP + and Glucose
• NADPH and ATP
• Oxygen and NADPH

Multiple Choice

The Calvin Cycle occurs in the

• Thylakoid

• Grana

• Inner membrane of chloroplast

• Stroma

Multiple Choice

Which of the following is true of the Calvin Cycle?

• carbon dioxide and energy (ATP and NADPH) are used to make organic compounds

• energy is absorbed from sunlight and converted to chemical energy stored in ATP and NADPH

• Occurs in the thylakoid

• Occurs in the cytoplasm

Multiple Choice

The interior space of the chloroplast is called:

• Lamellae
• Grana
• Stroma
• Thylakoids

Multiple Choice

The stacks of disks in the chloroplast are called:

• Lamellae
• Grana
• Stroma
• Thylakoid

Multiple Choice

What is the function of NADPH and ATP?

• They absorb light
• They power the light-dependent reactions
• They are light-reflecting pigments
• They are short term energy carriers

Multiple Choice

Main products of the Calvin Cycle

• Oxygen, NADP+, ADP

• Glucose, CO2, ADP

• ADP, NADP+, Glucose

• ATP, NADPH, Oxygen

Multiple Choice

Tiny pores on the underside of leaves

• Stroma

• Stomata

• Thylakoids

• Chloroplasts