
Photosynthesis Reading

Passage
•
Biology
•
9th Grade
•
Hard

JESSICA MARX
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of the light reactions in photosynthesis?
To capture energy from sunlight and convert it into chemical energy
To release carbon dioxide as a waste product
To absorb water and nutrients from the soil
To produce glucose directly
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
During the light reactions, chlorophyll absorbs light energy and becomes ___.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the first electron transport chain in the light reactions?
To pump hydrogen ions and create a chemiosmotic gradient
To directly produce glucose
To release oxygen gas
To absorb carbon dioxide
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The oxygen released during photosynthesis is a byproduct of which process?
Photolysis of water
Formation of ATP
Carbon fixation
Electron transport chain
5.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Chloroplasts capture sunlight energy in two ways: by exciting electrons and by splitting ___.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the chemiosmotic gradient?
A higher concentration of hydrogen ions inside the thylakoid than outside
A difference in oxygen levels inside and outside the chloroplast
A gradient of glucose concentration
A temperature gradient across the chloroplast membrane
7.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
NADPH and ATP store energy from excited electrons in the form of ___.
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