7th 2.2

The O2-produced photosynthesis is _________.

• used for respiration by animals and plants

• used for respiration by plants only

• used for respiration by animals only

• not used for respiration

Tags

NGSS.MS-LS1-6

2 hydrogen and 1 oxygen react to produce water. Which of the following is the correctly balanced chemical equation for this reaction?

• 2H2 +2O2 -> 4H4O2
• 2H2 +O2 -> 2H4O2
• H2 +O2 -> H4O2

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

During cellular respiration, glucose (sugar) reacts with oxygen to produce water and carbon dioxide. Where in the cell does this reaction take place?

• In the mitochondria
• In the nucleus
• In the cytoplasm
• In the chloroplast

What are the products in cellular respiration?

• carbon dioxide only
• Water only
• carbon dioxide and water
• None

Why do some leaves turn from green to red, orange, or yellow in the fall?

• Chlorophyll breaks down and is stored
• Chlorophyll production increases
• Chlorophyll leaks out of the leaves

Which of the following is provided directly by the sun to plants for photosynthesis?

• oxygen
• energy
• carbon dioxide
• Glucose (Sugar)

Tags

NGSS.MS-LS1-6

Photosynthesis could not occur without which of the following?

• Glucose (sugar)

• Sunlight

• Oxygen

• Ozone

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What are the organelles that use sunlight to produce food in the process of photosynthesis?

• Mitochondria
• Ribosomes
• Chloroplasts
• vacuoles

Tags

NGSS.MS-LS1-6

Photosynthesis uses sunlight to produce sugar. What kind of energy transformation is this?

• Light energy to chemical energy
• Mechanical energy to thermal energy
• Chemical energy to light energy
• Light energy to mechanical energy

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following most accurately describes the process of photosynthesis?

• It requires energy from the sun
• It releases energy from food
• It requires energy from food
• It releases energy from the sun

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3