Factors Affecting Photosynthesis

Identify the diagram

• Photometer

• Potometer

• Clinostat

• Potometre

Which of the following factors affect the rate of photosynthesis?

• Carbon dioxide concentration

• Water concentration

• Temperature

• Light intensity

• Oxygen concentration

Tags

NGSS.MS-LS1-6

On this photosynthesis practical, bubbles of gas are produced.  What is this gas?

• Carbon dioxide

• Hydrogen

• Chlorine

• Oxygen

Tags

NGSS.MS-LS1-6

How is the leaf adapted to do photosynthesis?

• The leaf's upper layer is thin and transparent to allow light to pass through.

• The leaf's palisade layer has the most chloroplast to absorb the maximum amount of light possible.

• The leaf's lower layer has many stomata to allow gases to diffuse.

• All of the descriptions above are true.

Tags

NGSS.MS-LS1-6

What THREE factors affect the rate of photosynthesis?

• Light intensity

• Carbon dioxide

• Temperature

• Water availability

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How does the amount of carbon dioxide available affect photosynthesis?

• As carbon dioxide availability increases, the rate of photosynthesis increases. Then, beyond a certain point, it levels off due to other limiting factors.

• As carbon dioxide availability increases, the rate of photosynthesis decreases. Then, beyond a certain point, it increases due to other limiting factors.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Why can chlorophyll also be a limiting factor?

• Factors like disease or nutrient deficiencies can damage chloroplasts or reduce chlorophyll production, affecting photosynthesis.

• Factors like disease or nutrient deficiencies can damage mitochondria or reduce chlorophyll production, affecting photosynthesis.

Tags

NGSS.MS-LS1-6

How does light intensity affect photosynthesis?

• As light intensity increases, the rate of photosynthesis initially increases. Then, beyond a certain point, it levels off due to other limiting factors.

• As light intensity increases, the rate of photosynthesis initially decreases. Then, beyond a certain point, it declines due to other limiting factors.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following factors can limit the rate of photosynthesis in plants?

• Light intensity

• Oxygen concentration

• Soil type

• Leaf size

Tags

NGSS.MS-LS1-6

What is the role of chlorophyll in photosynthesis?

• Absorbs light energy

• Converts glucose to energy

• Releases oxygen

• Absorbs carbon dioxide

Tags

NGSS.MS-LS1-6