Post-Quiz (Chap5a Photosynthesis)

Post-Quiz (Chap5a Photosynthesis)

University

5 Qs

quiz-placeholder

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Post-Quiz (Chap5a Photosynthesis)

Post-Quiz (Chap5a Photosynthesis)

Assessment

Quiz

Biology

University

Practice Problem

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Created by

AZMAN FBME

Used 3+ times

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an experiment, a plant’s thylakoid lumen is artificially acidified. What process would this directly stimulate?

NADPH oxidation

ATP synthase activity

Carbon fixation

Chlorophyll degradation

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a herbicide blocks plastoquinone in the ETC, which outcome is expected?

Increased O2 release

ATP production stops but NADPH continues

Calvin Cycle speeds up

PSI becomes overactive

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why might a desert plant have higher carotenoid levels compared to a shade plant?

To absorb excess UV and dissipate heat.

To reduce water loss.

To enhance blue light absorption for PSII.

To store extra energy as starch.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A bacterial species performs photosynthesis without releasing O2. What is its likely electron source?

Water

Hydrogen sulfide (H2S)

NADPH

Carbon dioxide

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the Calvin Cycle is inhibited, what immediate change occurs in the light reactions?

ATP and NADPH accumulate.

PSII absorbs more photons.

Oxygen production increases.

Chlorophyll switches to carotenoids.

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