Post Utme Noun 2021 Biology Question 11

Practice objective / multiple choice question 11 from the 2021 Post Utme Noun Biology examination.

Post Utme Noun 2021 Biology Objective / Multiple Choice
Question 11 POST_UTME_NOUN • 2021 • BIOLOGY • objective

A study on the effects of light intensity on photosynthesis in a aquatic plant species revealed that the rate of photosynthesis increased by 25% when light intensity was doubled. However, when light intensity was quadrupled, the rate of photosynthesis increased by only 10%. Which of the following best explains this observation?

Answer Options

Correct Answer A. The plant species has a high affinity for light energy, but is limited by its ability to absorb CO2.
B. The plant species has a low affinity for light energy, but is able to increase its rate of photosynthesis by increa\sing its stomatal density.
C. The plant species has a high affinity for light energy, but is limited by its ability to produce ATP.
D. The plant species has a low affinity for light energy, but is able to increase its rate of photosynthesis by increa\sing its chlorophyll content.
Correct Answer
A
Correct Option:
The plant species has a high affinity for light energy, but is limited by its ability to absorb CO2.

About This Question

This is Post Utme Noun 2021 Biology Question 11. It is one of the objective questions from the 2021 Post Utme Noun Biology examination.

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