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Bio Test Revison Flash Cards Ai > B6 - Photosynthesis > Flashcards

B6 - Photosynthesis Flashcards

(54 cards)

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1
Q

What is photosynthesis?

A

The process of making glucose using light, carbon dioxide, and water.

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2
Q

True or False: Photosynthesis occurs only in plants.

A

False

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3
Q

What is the primary pigment involved in photosynthesis?

A

Chlorophyll

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4
Q

Fill in the blank: Photosynthesis converts __________ energy into chemical energy.

A

light

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5
Q

What are the raw materials needed for photosynthesis?

A

Carbon dioxide, water, and light energy.

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6
Q

What is the main product of photosynthesis?

A

Glucose

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7
Q

In what organelle does photosynthesis take place?

A

Chloroplast

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8
Q

What gas is released as a byproduct of photosynthesis?

A

Oxygen

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9
Q

Multiple Choice: Which of the following is NOT a stage of photosynthesis? A) Light-dependent reactions B) Calvin cycle C) Krebs cycle

A

C) Krebs cycle

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10
Q

What is the role of sunlight in photosynthesis?

A

To provide the energy needed to convert carbon dioxide and water into glucose.

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11
Q

True or False: The Calvin cycle occurs during the night.

A

False

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12
Q

Fill in the blank: The __________ cycle is also known as the light-independent reactions.

A

Calvin

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13
Q

What is the formula for photosynthesis?

A

6CO2 + 6H2O + light energy → C6H12O6 + 6O2

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14
Q

What type of organisms perform photosynthesis?

A

Autotrophs

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15
Q

What is the significance of photosynthesis to life on Earth?

A

It produces oxygen and organic compounds that serve as food for other organisms.

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16
Q

Multiple Choice: Which part of the plant is primarily responsible for photosynthesis? A) Roots B) Leaves C) Stem

A

B) Leaves

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17
Q

What are thylakoids?

A

Membrane-bound structures within chloroplasts where the light-dependent reactions take place.

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18
Q

True or False: Photosynthesis is an endothermic reaction.

A

True

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19
Q

What is the role of water in photosynthesis?

A

It provides electrons and protons for the synthesis of glucose.

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20
Q

Fill in the blank: The __________ stage of photosynthesis captures sunlight.

A

light-dependent

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21
Q

What is the main function of the Calvin cycle?

A

To convert carbon dioxide into glucose.

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22
Q

Multiple Choice: What is produced during the light-dependent reactions? A) Glucose B) Oxygen C) Carbon dioxide

23
Q

What is the role of NADPH in photosynthesis?

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A

It carries electrons and hydrogen ions to the Calvin cycle.

24
Q

True or False: Only green plants can perform photosynthesis.

25
Fill in the blank: The __________ is the site of the Calvin cycle.
stroma
26
What effect does increased carbon dioxide have on photosynthesis?
It generally increases the rate of photosynthesis, up to a certain point.
27
What is photolysis?
The process of splitting water molecules using light energy during photosynthesis.
28
Multiple Choice: Which of the following is a light-absorbing pigment? A) Carotenoids B) Hemoglobin C) Myoglobin
A) Carotenoids
29
What are the two main stages of photosynthesis?
Light-dependent reactions and the Calvin cycle.
30
True or False: Plants can perform photosynthesis without sunlight.
False
31
Fill in the blank: The __________ reaction of photosynthesis requires light.
light-dependent
32
What is the role of ATP in photosynthesis?
It provides energy for the reactions in the Calvin cycle.
33
What is a stoma?
A small opening on the leaf surface that allows gas exchange.
34
Multiple Choice: Which gas is absorbed during photosynthesis? A) Oxygen B) Carbon dioxide C) Nitrogen
B) Carbon dioxide
35
What is the relationship between photosynthesis and cellular respiration?
Photosynthesis produces glucose and oxygen, which are used in cellular respiration to produce energy.
36
True or False: Photosynthesis can occur in the dark.
False
37
Fill in the blank: The __________ is the fluid-filled space inside chloroplasts.
stroma
38
What is the function of chloroplasts in plant cells?
To conduct photosynthesis.
39
What happens to the glucose produced during photosynthesis?
It can be used for energy or stored as starch.
40
Multiple Choice: Which of the following factors does NOT affect the rate of photosynthesis? A) Light intensity B) Temperature C) Soil type
C) Soil type
41
What role do chloroplasts play in the color of leaves?
Chloroplasts contain chlorophyll, which reflects green light.
42
True or False: All wavelengths of light are equally effective for photosynthesis.
False
43
Fill in the blank: The __________ reaction produces ATP and NADPH.
light-dependent
44
What is the significance of the oxygen produced in photosynthesis?
It is essential for the respiration of most living organisms.
45
Multiple Choice: During which phase of photosynthesis is glucose formed? A) Light-dependent reactions B) Calvin cycle C) Photolysis
B) Calvin cycle
46
What is the role of light in the light-dependent reactions?
To excite electrons and facilitate the conversion of light energy to chemical energy.
47
True or False: All plants have the same efficiency in photosynthesis.
False
48
Fill in the blank: __________ is the process by which plants convert light energy into chemical energy.
Photosynthesis
49
What is the function of the electron transport chain in photosynthesis?
To transfer electrons and generate ATP and NADPH.
50
Multiple Choice: Which of the following is the end product of the Calvin cycle? A) Oxygen B) Glucose C) ATP
B) Glucose
51
What is the primary source of energy for photosynthesis?
Sunlight
52
True or False: The Calvin cycle can occur without light.
True
53
Fill in the blank: __________ is produced during the light-dependent reactions and used in the Calvin cycle.
NADPH
54
What is the role of RuBisCO in photosynthesis?
To catalyze the first step of the Calvin cycle by fixing carbon dioxide.

Bio Test Revison Flash Cards Ai (7 decks)

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