photosynthesis and respiration

Question 1

What is the main purpose of cellular respiration?

Answer 1

To convert glucose into usable energy in the form of ATP.

Question 2

What is the equation for photosynthesis?

Answer 2

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

Question 3

True or False: Cellular respiration occurs only in plants.

Answer 3

False.

Question 4

What organelle is responsible for photosynthesis?

Answer 4

Chloroplast.

Question 5

Fill in the blank: The process of breaking down glucose in the absence of oxygen is called __________.

Answer 5

Anaerobic respiration.

Question 6

What are the three main stages of cellular respiration?

Answer 6

Glycolysis, Krebs cycle, and electron transport chain.

Question 7

Which gas is consumed during photosynthesis?

Answer 7

Carbon dioxide (CO2).

Question 8

What is the primary energy molecule produced in cellular respiration?

Answer 8

ATP (adenosine triphosphate).

Question 9

True or False: Oxygen is a byproduct of cellular respiration.

Answer 9

False.

Question 10

Multiple Choice: Which part of the cell does glycolysis occur in? A) Mitochondria B) Cytoplasm C) Nucleus D) Chloroplast

Answer 10

B) Cytoplasm.

Question 11

What is the main product of the light-dependent reactions of photosynthesis?

Answer 11

ATP and NADPH.

Question 12

Fill in the blank: The __________ cycle occurs in the stroma of chloroplasts.

Answer 12

Calvin.

Question 13

True or False: Photosynthesis and cellular respiration are opposites of each other.

Answer 13

True.

Question 14

What are the two main stages of photosynthesis?

Answer 14

Light-dependent reactions and the Calvin cycle.

Question 15

Which pigment is primarily responsible for capturing light energy in plants?

Answer 15

Chlorophyll.

Question 16

What is the final electron acceptor in the electron transport chain of cellular respiration?

Answer 16

Oxygen (O2).

Question 17

Fill in the blank: The process of converting light energy into chemical energy is known as __________.

Answer 17

Photosynthesis.

Question 18

Multiple Choice: In which organelle does the Krebs cycle take place? A) Chloroplast B) Mitochondria C) Cytoplasm D) Nucleus

Answer 18

B) Mitochondria.

Question 19

What is the role of ATP synthase in cellular respiration?

Answer 19

It synthesizes ATP from ADP and inorganic phosphate.

Question 20

True or False: The Calvin cycle requires light directly.

Answer 20

False.

Question 21

What molecule is split during the light-dependent reactions of photosynthesis?

Answer 21

Water (H2O).

Question 22

What is the main source of energy for cellular activities?

Answer 22

ATP.

Question 23

Multiple Choice: Which of the following is NOT a product of cellular respiration? A) ATP B) CO2 C) Glucose D) H2O

Answer 23

C) Glucose.

Question 24

What is the function of the thylakoid membranes in chloroplasts?

Answer 24

They house the light-dependent reactions of photosynthesis.

Question 25

True or False: Cellular respiration can occur without oxygen.

Answer 25

True.

Question 26

What is the net gain of ATP from glycolysis?

Answer 26

2 ATP.

Question 27

Fill in the blank: The __________ is the part of the chloroplast where the Calvin cycle occurs.

Answer 27

Stroma.

Question 28

What type of respiration occurs in muscle cells during heavy exercise?

Answer 28

Lactic acid fermentation.

Question 29

Multiple Choice: Which process occurs in the mitochondria? A) Glycolysis B) Krebs cycle C) Calvin cycle D) Fermentation

Answer 29

B) Krebs cycle.

Question 30

What is the primary role of the electron transport chain in cellular respiration?

Answer 30

To create a proton gradient for ATP production.

Question 31

True or False: Plants perform both photosynthesis and cellular respiration.

Answer 31

True.

Question 32

What is the main carbohydrate produced during photosynthesis?

Answer 32

Glucose.

Question 33

Fill in the blank: The oxygen released during photosynthesis comes from the splitting of __________.

Answer 33

Water.

Question 34

Where does respiration occur?

Answer 34

In the mitochondria.

Question 35

How many ATP molecules does aerobic respiration produce per glucose?

Answer 35

38 ATP molecules.

Question 36

What is glycolysis?

Answer 36

The breakdown of glucose by enzymes, releasing energy and pyruvic acid.

Question 37

Where does glycolysis happen?

Answer 37

In the cells cytoplasm.

Question 38

Does glycolysis require oxygen?

Answer 38

No.

Question 39

What is the glycolysis formula?

Answer 39

Glucose → pyruvate + 2 ATP

Question 40

What happens in the Krebs cycle?

Answer 40

The pyruvate produced in glycolysis enters the mitochondria and is broken down to form hydrogen and CO2.

Question 41

Where does the Krebs cycle happen?

Answer 41

Matrix.