FREE BioInteractive Measuring Photosynthesis Questions and Answers

Question 1

Which gas is primarily measured to determine the rate of photosynthesis?

Accepted Answer

Carbon dioxide (CO₂)

Answer

Oxygen (O₂)

Answer

Nitrogen (N₂)

Answer

Methane (CH₄)

Question 2

What device is commonly used to measure CO₂ uptake during photosynthesis?

Accepted Answer

Infrared Gas Analyzer (IRGA)

Answer

Spectrophotometer

Answer

Fluorometer

Answer

pH meter

Question 3

What is chlorophyll fluorescence used to assess in photosynthesis?

Accepted Answer

Photosystem II activity

Answer

Oxygen production

Answer

Light absorption efficiency

Answer

Glucose concentration

Question 4

In an aquatic plant experiment, what does observing oxygen bubbles indicate?

Accepted Answer

Rate of photosynthesis

Answer

Respiration rate

Answer

Chlorophyll breakdown

Answer

Nutrient uptake

Question 5

Which parameter represents the total CO₂ fixed during photosynthesis without accounting for respiration?

Accepted Answer

Gross photosynthetic rate

Answer

Net photosynthetic rate

Answer

Quantum yield

Answer

Light compensation point