Photosynthesis and Cellular Respiration

How will clear-cutting of forests affect the level of carbon dioxide in the atmosphere?

• It will decrease because of increased respiration.

• It will increase because of decreased photosynthesis.

• It will decrease because of decreased photosynthesis.

• It will remain constant as respiring animals remove the carbon dioxide.

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-3

NGSS.HS-LS2-5

Which statement accurately describes an interaction between plants and animals?

• Animals release CO2, required for photosynthesis.

• Animals release O2, required for plant survival.

• Plants provide humans with atmospheric nitrogen.

• Plants provide humans with CO2 for respiration.

Tags

NGSS.MS-LS1-6

Beneath the outer layer of tree bark is a layer of live tissue. The cells of this live tissue contain chloroplasts. The bark also contains structures that allow gas exchange with the environment. These characteristics allow the tree bark to perform photosynthesis. Tree bark photosynthesis occurs mostly in early spring and late fall, or in times of drought or disease. What is the MOST likely reason bark photosynthesis is higher during these conditions?

• Photosynthesis keeps the bark from freezing.

• The bark produces a different type of sugar.

• The angle of light is different.

• The tree has fewer leaves.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

People take in and release gases from the air when they breathe. Which exhaled gas is a waste product of respiration?

• helium

• oxygen

• carbon dioxide

• hydrogen

Tags

NGSS.MS-LS2-3

Where do the reactions of photosynthesis take place in autotrophs?

• Chloroplast

• Mitochondria

• Cell Walls

• Cytoplasm

Tags

Photosynthesis

What is the chemical equation for photosynthesis? Choose the BEST answer

• C6H12O6 + O2 -> CO2 + H2O

• CO2 + H2O --> C6H12O6 + O2

• 6 CO2 + 6 H2O --> C6H12O6 + 6 O2

• C6H12O6 + 6 O2 -> 6 CO2 + 6 H2O

Tags

Photosynthesis

What are the two products that are formed in photosynthesis?

• Oxygen and carbon dioxide

• Water and oxygen

• Oxygen and glucose

• Water and glucose

Tags

NGSS.MS-LS1-6

Photosynthesis is ...

• The process in which organisms convert/transfer energy from glucose to ATP.

• The process in which organisms exchange carbon dioxide and oxygen in their lungs.

• The process of taking a picture.

• The process of plants converting/transferring solar energy to chemical energy to make their food.

Tags

NGSS.MS-LS1-6

What are the reactants (what's needed) for photosynthesis?

• glucose and oxygen

• light, water, and carbon dioxide

• oxygen and carbon dioxide

• light and water

Tags

NGSS.MS-LS1-6

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.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3