Exploring Photosynthesis: Light and Dark Reactions

Exploring Photosynthesis: Light and Dark Reactions

Assessment

Interactive Video

Biology

6th - 10th Grade

Hard

Created by

Jackson Turner

FREE Resource

The video explains photosynthesis, which occurs in two main steps: the light reaction and the dark reaction. The light reaction takes place in the thylakoid membranes, capturing light energy to produce ATP and NADPH while releasing oxygen. The dark reaction, or Calvin cycle, occurs in the stroma, using ATP and NADPH to convert carbon dioxide into glucose. Variations in photosynthesis, such as C4 and CAM pathways, are also discussed, highlighting adaptations in different plants to conserve water.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step of photosynthesis?

Light reaction

Krebs cycle

Calvin cycle

Dark reaction

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where does the light reaction occur?

Nucleus

Stroma

Mitochondria

Thylakoid discs

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is produced as a by-product of the light reaction?

Water

Glucose

Oxygen

Carbon dioxide

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main energy currency of cells produced during the light reaction?

NADPH

ATP

ADP

NADP+

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is another name for the dark reaction?

Electron transport chain

Calvin cycle

Krebs cycle

Light reaction

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many carbon dioxide molecules are used in the Calvin cycle to create one glucose molecule?

3

12

6

9

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for glucose?

C6H10O6

C5H12O6

C5H10O5

C6H12O6

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