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Cell Respiration & Photosynthesis HL Test

Cells respiration & photosynthesis test

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Page 1: Cells respiration & photosynthesis test

Cell Respiration & Photosynthesis HL Test

Name: _____________________

Page 2: Cells respiration & photosynthesis test

1. Which statement(s) about anaerobic cell respiration is/are correct?

I. ATP is producedII. Oxygen is required III. III. Glucose is converted into pyruvate

A. I onlyB. III only C. I and III only D. I, II and III

2. Pigments are extracted from the leaves of a green plant. White light is then passed through the solution of pigments. What effect do the leaf pigments have on the white light?

A. Green wavelengths are absorbed and red and blue wavelengths are transmitted. B. Red and blue wavelengths are absorbed and green wavelengths are transmitted. C. Blue wavelengths are absorbed and green and red wavelengths are transmitted. D. Green and red wavelengths are absorbed and blue wavelengths are transmitted.

3. Which of the following reactions take place in the Krebs cycle?

I. NAD is reduced to NADH + H+ II. FAD is oxidized to FADH2 III. Pyruvate is converted to acetyl CoA (ethanoyl CoA)

IV. ADP and inorganic phosphate is condensed to ATP

A. I and II B. I and III C. III and IV D. I and IV

Page 3: Cells respiration & photosynthesis test

4. The diagram below shows a longitudinal section through a chloroplast.

Where are the photosystems of the light dependent reaction located? A. I B. II C. IIID. IV

5. Which of the following reactions is an oxidation reaction?

A. Pyruvate Acetate + CO2 B. FAD + 2H+ + 2e– FADH2 C. Ribulose bisphosphate + CO2 2 × Phosphoglycerate D. NADP+ + 2H+ + 2e– NADPH + H+

6. The average surface area for the inner membranes of mitochondria in a epithelial cell is 40 m2 g–1. The surface area of the inner membrane of mitochondria from heart muscle cells is over 200 m2 g–1.What is the reason for the large surface area of the inner membranes of the mitochondria in the heart muscle cells?

A. They contain enzymes to hydrolyse ADP and inorganic phosphate to ATP. B. They contain enzymes to oxidize ADP and inorganic phosphate to ATP. C. They contain enzymes to reduce ADP and inorganic phosphate to ATP. D. They contain enzymes to condense ADP and inorganic phosphate to ATP.

Page 4: Cells respiration & photosynthesis test

7. At which stage of photosynthesis is light involved most directly?

A. Reduction of NADP+ to NADPH2 B. Chemiosmosis C. The synthesis of chlorophyll D. The photoactivation of chlorophyll

8. During which process are oxygen molecules directly involved during cellular respiration?

A. GlycolysisB. Krebs cycle C. Oxidation of pyruvate to acetyl CoA D. Accepting electrons at the end of the electron transport chain

9. Which combination of changes describes biological oxidation?

10. Which of the following features is/are present in mitochondria but not in chloroplasts?

I. DNA and ribosomes II. Outer and inner membranes III. Cristae

A. I only B. II only C. III only D. I and III only

Page 5: Cells respiration & photosynthesis test

11. Which diagram represents the action spectrum of photosynthesis?

12. Which row in the table describes the first stage of cellular respiration?

13. What is the correct sequence of chemicals produced in the anaerobic respiration pathway?

A. lactate → pyruvate → ethanol B. ethanol → pyruvate → glucose C. glucose → lactate → pyruvate D. glucose → pyruvate → lactate

Page 6: Cells respiration & photosynthesis test

14. Which combination measures the rate of photosynthesis?

15. Where is carbon dioxide produced in the mitochondrion?

16.(a) Draw and label a mitochondrion as seen in electron micrographs. [4](b) Outline the cellular locations of different named processes in both photosynthesis and cell respiration. [6]

17.(a) Explain the light-independent reactions of photosynthesis. [8](b) Outline the light-dependent reactions of photosynthesis. [6] (c) Explain the effect of light intensity and temperature on the rate of photosynthesis. [8]

18.(a) Outline the conversion of light energy to chemical energy in photosynthesis. [6](b) Explain the conversion of the chemical energy of organic compounds into ATP in aerobic cell respiration. [8]

19.(a) Outline the differences between aerobic and anaerobic respiration. [4](b) Explain the reactions that occur in the matrix of the mitochondrion that are part of aerobic respiration. [8]

Page 7: Cells respiration & photosynthesis test

(c) The process of respiration involves many enzyme catalysed reactions. Describe what would happen to these enzymes if they were exposed to increasing temperatures. [6]