Ecology & Bioenergetics Quiz

Which of the following best describes the flow of energy in an ecosystem?

• Energy flows in a circular manner.

• Energy flows in a one-way stream, from primary producers to various consumers.

• Energy is recycled within the ecosystem.

• Energy is created and destroyed within the ecosystem.

What is the primary function of chloroplasts in plant cells?

• Cellular respiration

• Photosynthesis

• Protein synthesis

• Lipid storage

Which of the following processes occurs in the cytoplasm of the cell?

• Krebs cycle

• Glycolysis

• Electron transport chain

• Light-dependent reactions

In a food chain, which of the following is a primary consumer?

• Grass

• Rabbit

• Snake

• Hawk

Which of the following reactions occurs in the thylakoid membrane of the chloroplast?

• Light-independent reactions

• Light-dependent reactions

• Glycolysis

• Krebs cycle

What is the final electron acceptor in aerobic respiration?

• NADH

• FADH2

• Oxygen

• Carbon dioxide

Which of the following is a product of the light-independent reactions (Calvin cycle)?

• ATP

• NADPH

• Glucose

• Oxygen

Which of the following is NOT a product of glycolysis?

• Pyruvate

• ATP

• NADH

• FADH2

Which of the following organisms is a tertiary consumer?

• Grass

• Rabbit

• Snake

• Hawk

Where does the Krebs cycle take place within the cell?

• Cytoplasm

• Mitochondrial matrix

• Thylakoid membrane

• Stroma