$$6CO_2 + 6H_2O + \text{light energy} \rightarrow C_6H_{12}O_6$ + 6O_2$$

Question 1

Which of the following is the correct overall chemical equation for photosynthesis?

Accepted Answer

$$6CO_2 + 6H_2O + 	ext{light energy} ightarrow C_6H_{12}O_6$ + 6O_2$$

Question 2

During photosynthesis, which molecule is reduced?

Accepted Answer

Carbon dioxide ($$CO_2)$$

Question 3

Which organelle is responsible for photosynthesis in plant cells?

Accepted Answer

Chloroplast

Question 4

What is the main product of photosynthesis?

Accepted Answer

Glucose

Question 5

Which structure in the leaf is primarily responsible for gas exchange with the atmosphere?

Accepted Answer

Stomata

Question 6

Which pigment is the main photosynthetic pigment in chloroplasts?

Accepted Answer

Chlorophyll a

Question 7

Which of the following is an example of an accessory pigment in photosynthesis?

Accepted Answer

Carotenoids

Question 8

What is the function of the stroma in the chloroplast?

Accepted Answer

Contains ribosomes, DNA, and enzymes for the Calvin cycle

Question 9

Which part of the electromagnetic spectrum is used by plants for photosynthesis?

Accepted Answer

Visible light

Question 10

What is the relationship between photosynthesis and cellular respiration?

Accepted Answer

Photosynthesis produces the reactants needed for cellular respiration.

Question 11

Which molecule is oxidized during photosynthesis?

Accepted Answer

Water ($$H_2O)$$

Question 12

Which of the following best describes the role of photons in photosynthesis?

Accepted Answer

They supply energy to excite electrons in chlorophyll.

Question 13

Which of the following is true about the absorption spectrum of photosynthetic pigments?

Accepted Answer

Different pigments absorb different wavelengths of light.

Question 14

Which process is the inverse of photosynthesis?

Accepted Answer

Cellular respiration

Question 15

What is the main energy source that powers photosynthesis?

Accepted Answer

Sunlight

Question 16

Which of the following statements about mesophyll cells is correct?

Accepted Answer

They contain many chloroplasts and are the main site of photosynthesis.

Question 17

Which of the following is NOT a product of photosynthesis?

Accepted Answer

Carbon dioxide

Question 18

Which pigment absorbs green-blue wavelengths of light?

Accepted Answer

Chlorophyll a

Question 19

What is the main function of stomata in plant leaves?

Accepted Answer

Gas exchange of $$CO_2$$, $$O_2$$, and $$H_2O$$

Question 20

Which of the following best explains why plants appear green?

Accepted Answer

Chlorophyll reflects green wavelengths of light.

Photosynthesis: Structure, Function, and Light Absorption

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