Exploring Plant Respiration Processes

What do plants produce during photosynthesis that is crucial for human survival?

• Nitrogen

• Carbon dioxide

• Water vapor

• Oxygen

Which structures in plants are primarily responsible for gaseous exchange?

• Roots

• Stomata and lenticels

• Flowers

• Seeds

What is the primary product of glycolysis?

• Pyruvic acid

• Glucose

• Carbon dioxide

• Acetyl CoA

What is the role of NADH in cellular respiration?

• Transfers electrons

• Transfers oxygen

• Breaks down ATP

• Produces glucose

What happens to pyruvic acid in the mitochondria?

• It converts into oxygen

• It transforms into acetyl CoA

• It forms glucose

• It is expelled as waste

How many ATP molecules are produced from one glucose molecule during respiration in eukaryotes?

• 42 ATP

• 24 ATP

• 18 ATP

• 38 ATP

During which cycle is carbon dioxide produced in plant respiration?

• Light cycle

• Krebs cycle

• Glycolysis

• Calvin cycle

Which enzyme is crucial for ATP synthesis in the electron transport chain?

• NADPH oxidase

• Cytochrome c

• ATP synthase

• Rubisco

What is the final electron acceptor in the electron transport chain?

• Nitrogen

• Carbon dioxide

• Hydrogen

• Oxygen

How many NADH molecules are produced in the Krebs cycle per acetyl CoA?

• 8

• 6

• 4

• 2