Krebs Cycle and Calvin Cycle Quiz

Michael is studying cellular respiration in his biology class. He wonders where the Krebs cycle occurs in the cell.

• Nucleus

• Cytoplasm

• Chloroplast

• Mitochondrial matrix

David is preparing for his biology exam and is studying the Krebs cycle. What is the primary reactant that enters the Krebs cycle?

• FADH2

• NADH

• Acetyl CoA

• Glucose

Ethan is studying cellular respiration and wonders how many ATP molecules are produced in one turn of the Krebs cycle.

• 3

• 4

• 1

• 2

While studying the Krebs cycle in biology class, Maya asked her classmates which of the following is a product of the Krebs cycle?

• Glucose

• Oxygen

• CO2

• G3P

Liam is studying the Krebs cycle in his biology class. He learns about the role of NAD+ in this cycle. What is the role of NAD+ in the Krebs cycle?

• It is produced

• It is a reactant

• It is oxidized

• It is reduced to NADH

Ethan is studying the process of photosynthesis and learns about the Calvin Cycle. He discovers that the first step of this cycle is catalyzed by a specific enzyme. Which enzyme is it?

• ATP synthase

• Phosphofructokinase

• RuBisCO

• NADP+ reductase

Aiden is studying the process of photosynthesis and learns about the Calvin Cycle. He discovers that a certain number of turns of the Calvin Cycle are required to produce one glucose molecule. How many turns are needed?

• 2

• 4

• 8

• 6

Avery is studying photosynthesis in her biology class. She learns about the Calvin Cycle and wonders what the main product of this cycle is.

• G3P

• NADPH

• FADH2

• ATP

Luna is studying the Calvin Cycle in her biology class. She learns that during the reduction phase of the cycle, certain compounds are produced. Which of the following compounds is produced during this phase?

• CO2

• G3P

• RuBP

• 3-PGA

Mia is studying cellular respiration in her biology class. She learns about the Krebs cycle and its role in the process. What is the significance of the Krebs cycle in cellular respiration?

• It produces glucose

• It is the final pathway for oxidation of nutrients

• It generates ATP

• It fixes carbon