Test Bank for Biology Exploring the Diversity of Life, 4th Canadian Edition

,Name: Class: Date:

Chap 01_4ce

Indicate whether the statement is true or false.
1. Quorum sensing is now believed to be the basis for what are termed “milky seas.”
a. True
b. False

2. A person who is of African descent living in Norway cannot suffer from vitamin D deficiency.
a. True
b. False

3. We “see” not with our eyes but rather with our brain.
a. True
b. False

4. The Sun converts over 4 million tonnes of matter into energy every minute.
a. True
b. False

5. Bioluminescence has been reported in land plants or higher vertebrates.
a. True
b. False

6. A planarian orients itself such that an equal amount of light falls on its two ocelli so that the amount of light
enhances as the animal swims.
a. True
b. False

7. Each rhodopsin consists of a protein called opsin that binds to a single pigment molecule called retinol.
a. True
b. False

8. Although they are now blind, mole rats had ancestors with functional eyes.
a. True
b. False

9. Flower shape, colour, and smell make plants more attractive to specific groups of potential pollinators.
a. True
b. False

10. Phytochrome is present in the cytosol of all plant cells.
a. True
b. False




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Chap 01_4ce

11. For a chlorophyll molecule, the electron involved in photon capture can exist in many excited states.
a. True
b. False

12. Bacteriorhodopsin, as a pigment in Halobacterium, functions in photosynthesis.
a. True
b. False

13. Ultraviolet light does not harm DNA.
a. True
b. False

14. When the plant is exposed to wavelengths of red light, phytochrome becomes inactive and initiates a signal
transduction pathway.
a. True
b. False

15. The reason why many animals are able to attract other organisms is because they use colour.
a. True
b. False

16. Bioluminescence found in marine bacteria is used for communication.
a. True
b. False

17. A brightly coloured penguin is less healthy.
a. True
b. False

18. Bioluminescent organisms do NOT need to be exposed to light at all.
a. True
b. False

19. Birds that are brightly coloured have a good diet.
a. True
b. False

20. All animals see very well under dim light conditions.
a. True
b. False

21. Jet lag is a result of the disturbance of your biological clock.
a. True
b. False


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Chap 01_4ce


22. The “image-forming eyes” are found in both compound eyes and double-lens eyes.
a. True
b. False

23. Absorption of a photon of light causes the retinal pigment molecule to change shape.
a. True
b. False

24. “Milky seas” is a phenomenon resulting from bioluminescence of marine bacteria.
a. True
b. False

25. In many ways, the eyes of Planaria is much more advanced than the eyespot of Chlamydomonas.
a. True
b. False

26. Individual pigments do NOT differ in the wavelengths of light they can absorb.
a. True
b. False

27. If a plant has bright flowers, it is very likely that it is attracting animals.
a. True
b. False

28. A discrete particle of energy is called a photon.
a. True
b. False

Indicate the answer choice that best completes the statement or answers the question.
29. Which best describes photo-oxidative damage?
a. low energy environments associated with pigment molecules and excited electrons
b. high energy environments associated with pigment molecules and excited electrons
c. high energy environments associated with pigment molecules and non-excited electrons
d. low energy environments associated with pigment molecules and non-excited electrons

30. Why can shorter wavelengths NOT be used by pigments?
a. They would oxidize the pigment.
b. They would reduce the pigment.
c. They would cause the excitation of electrons.
d. They would cause electrons to gain insufficient energy.




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