Chapter 8 Exam

1. 1Which of the following characteristics differentiates an autotroph from a heterotroph?

   1. AAbility to reproduce
   2. BAbility to move
   3. CAbility to produce its own food
   4. DAbility to grow
2. 2The table below lists some characteristics of organisms.
   
   A. They cannot make their own food.
   B. They are considered as consumers in a food chain.
   C. They are directly or indirectly dependent on plants for food.
   D. They can utilize sunlight to produce chemical energy.
   
   Which of the following statements holds true for heterotrophs?

   1. AA, B and C
   2. BB, C and D
   3. CA and D
   4. DC and D
3. 3The image shows a food web. Identify the number of heterotrophs that DIRECTLY depend on autotrophs for food.

   

   1. A4
   2. B6
   3. C8
   4. D11
4. 4ADP can be made into ATP by the addition of a glucose molecule.

   1. AVerdadero
   2. BFalso
5. 5Which of the following are true about this diagram? (Check ALL that apply)

   

   1. AA is a phosphate group
   2. BB is adenine group
   3. CB is ribose
   4. DThe diagram depicts an ADP molecule
   5. EThe diagram depicts an ATP molecule
6. 6What is label C in the diagram best referred to as?

   

   1. ARibose
   2. BADP
   3. CPhosphate
   4. DAdenine
7. 7How is the energy that is stored in ATP released?

   1. ABy breaking the bonds between the first and the second phosphates.
   2. BBy breaking the bonds between the second and the third phosphates.
   3. CBy breaking bonds between the phosphate and adenosine groups.
   4. DBy breaking bonds between the phosphate and ribose groups.
8. 8Most cells have only a small amount of ATP, enough to last them for a few seconds of activity.

   1. AVerdadero
   2. BFalso
9. 9Which of the following are ways cells use energy provided by ATP? (Check ALL that apply).

   1. AFor production of carbon dioxide in cells
   2. BFor active transport in cells
   3. CFor movement of motor proteins in cells
   4. DTo produce light
   5. ESynthesis of proteins and nucleic acids
10. 10Cells can regenerate ATP from ADP as needed by using the energy from the breaking of bonds between phosphates.

    1. AVerdadero
    2. BFalso

11. 11In photosynthesis, plants use sunlight and oxygen to produce carbon dioxide and water.

    1. AVerdadero
    2. BFalso
12. 12Priestley's observation that a plant restores the ability of air to support a flame was an important piece of evidence for the idea that photosynthesis

    1. Aproduces oxygen.
    2. Bconsumes carbon dioxide.
    3. Cproduces carbohydrates.
    4. Dconsumes water.
13. 13Which of the following equations correctly sums up the overall process of photosynthesis?

    1. Aoxygen + water + sunlight --> glucose + carbon dioxide
    2. Bglucose + water + sunlight --> oxygen + carbon dioxide
    3. Ccarbon dioxide + water + sunlight --> glucose + oxygen
    4. Dglucose + carbon dioxide + sunlight --> oxygen + water
14. 14Chlorophyll is important in the

    1. Aformation of carbon dioxide.
    2. Breactions of the Calvin cycle.
    3. Cformation of ADP from NADP+.
    4. Dabsorption of light energy.
15. 15Chlorophyll is green because

    1. Ait absorbs green wavelengths
    2. Bit reflects green wavelengths of light
    3. Cbecause it does not absorb the red and blue regions of visible light spectrum very well
    4. Dit absorbs blue and yellow wavelengths, which makes green
16. 16The letter representing carbon dioxide could be either

    

    1. AY or Z
    2. BX or Y
    3. CZ or W
    4. DW or X
17. 17The letter representing sunlight is

    

    1. AW
    2. BZ
    3. CY
    4. DX
18. 18Carbon dioxide is required for which of the following processes in photosynthesis

    1. Athe production of ATP
    2. Bthe absorption of water
    3. Cthe splitting of water
    4. Dthe Calvin cycle
19. 19The first process in the light-dependent reactions of photosynthesis is

    1. Alight absorption.
    2. Belectron transport.
    3. Coxygen production.
    4. DATP formation.
20. 20Which substance from the light-dependent reactions of photosynthesis is a source of energy for the Calvin cycle?

    1. AADP
    2. BNADPH
    3. CH2O
    4. Dpyruvic acid
21. 21The light-dependent reactions of photosynthesis are also known as the Calvin Cycle.

    1. AVerdadero
    2. BFalso
22. 22Identify the granum in this diagram.

    

    1. AA
    2. BB
    3. CC
    4. DD
23. 23In which structure(s) do the light-dependent reactions occur? (BE SPECIFIC)

    

    1. AA
    2. BB
    3. CC
    4. DD
24. 24In which structure(s) does the Calvin cycle take place?

    

    1. AA
    2. BB
    3. CC
    4. DD
25. 25During what stage of photosynthesis are ATP and NADPH converted to ADP + Pi and NADP+?

    1. AThe light-dependent reactions
    2. BThe light-independent reactions
    3. CBoth light-dependent and light-independent reactions
    4. DNeither light-dependent and light-independent reactions
26. 26What energy-rich organic compound is produced as a result of the Calvin cycle?

    1. ANADPH
    2. BCO2
    3. CATP
    4. DGlucose
27. 27As a result of the cascade of electrons down the electron transport chains of the light reactions:
    
    (Note: OXIDATION is to give away electrons; REDUCTION is to accept electrons)

    1. ANADPH is reduced to NADP+
    2. B NADP+is oxidized to NADPH
    3. CNADPH is oxidized to NADP+
    4. DNADP+ is reduced to NADPH
28. 28What is true about Photosystem II ? (Check ALL that apply)

    1. AIt does not have a reaction center.
    2. BIt is reduced by NADPH.
    3. CIt passes electrons to Photosystem I.
    4. DIt comes before Photosystem I.
29. 29ATP is produced when ATP synthase binds ADP to a phosphate.

    1. AVerdadero
    2. BFalso
30. 30Which of the following factors can speed up the rate of photosynthesis? (Check ALL that apply)

    1. AIncreasing the light intensity will boost the speed of photosynthesis.
    2. BDecreasing CO2 concentration will boost the speed of photosynthesis.
    3. CMaking it too cold will increase the rate of photosynthesis.
    4. DMaking it too hot will increase the rate of photosynthesis.

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College General Biology Test sobre Chapter 8 Exam, creado por sueby03 el 19/08/2015.

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