Q: Which of the following is the correct balanced chemical equation for aerobic cellular respiration?

$$\mathrm{C_6H_{12}O_6$} + 6\mathrm{O_2$} \rightarrow 6\mathrm{CO_2$} + 6\mathrm{H_2O} + \text{energy (ATP)}$$

Question 1

Which of the following best describes the primary purpose of photosynthesis in plants?

Accepted Answer

To produce glucose and oxygen from carbon dioxide and water

Question 2

Which organelle is responsible for photosynthesis in plant cells?

Accepted Answer

Chloroplast

Question 3

Which of the following is the correct word equation for photosynthesis?

Accepted Answer

Carbon dioxide + water $$\rightarrow$$ glucose + oxygen

Question 4

Which structure within the chloroplast contains the pigment chlorophyll and is the site of the light-dependent reactions?

Accepted Answer

Thylakoid

Question 5

Which of the following best defines an autotroph?

Accepted Answer

An organism that produces its own food using light or chemical energy

Question 6

Which part of the plant cell is a double membrane structure that surrounds the organelle where photosynthesis occurs?

Accepted Answer

Chloroplast envelope

Question 7

What is the main purpose of cellular respiration in living organisms?

Accepted Answer

To convert glucose into usable energy (ATP)

Question 8

Which of the following is the correct balanced chemical equation for aerobic cellular respiration?

Accepted Answer

$$\mathrm{C_6H_{12}O_6$} + 6\mathrm{O_2$} ightarrow 6\mathrm{CO_2$} + 6\mathrm{H_2O} + 	ext{energy (ATP)}$$

Question 9

In which organelle does cellular respiration primarily occur?

Accepted Answer

Mitochondrion

Question 10

Which of the following best describes the difference between aerobic and anaerobic respiration?

Accepted Answer

Aerobic respiration produces more ATP and requires oxygen; anaerobic produces less ATP and does not require oxygen

Question 11

During strenuous exercise, your muscles may become sore due to the accumulation of which substance produced during anaerobic respiration?

Accepted Answer

Lactic acid

Question 12

Which process is responsible for making bread rise, and what is the main gas produced?

Accepted Answer

Anaerobic respiration (fermentation); carbon dioxide

Question 13

Which sequence correctly matches the location of each stage of cellular respiration within the mitochondrion?

Accepted Answer

Glycolysis: cytoplasm; Krebs cycle: matrix; Electron Transport Chain: cristae (inner membrane)

Question 14

Which of the following is produced during glycolysis?

Accepted Answer

Pyruvate, ATP, and NADH

Question 15

What is the full name of ATP?

Accepted Answer

Adenosine triphosphate

Question 16

Which of the following best describes how energy is released from ATP for cellular work?

Accepted Answer

By breaking the bond between the second and third phosphate groups

Question 17

Which of the following correctly lists the three main components of an ATP molecule?

Accepted Answer

Adenine, ribose, three phosphate groups

Question 18

A scientist is studying a plant cell and observes structures called grana. What is the function of grana in photosynthesis?

Accepted Answer

They are stacks of thylakoids where the light-dependent reactions occur

Question 19

Which of the following is a multi-step process that integrates glycolysis, the Krebs cycle, and the electron transport chain to maximize ATP production in a human cell?

Accepted Answer

Aerobic cellular respiration

Question 20

During cellular respiration, which molecule acts as the final electron acceptor in the electron transport chain?

Accepted Answer

Oxygen

Photosynthesis, Cellular Respiration, and ATP: Core Concepts in General Biology

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