Chapter 9 Bioremediation

Chapter 9   Bioremediation

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

1) Which bacterium is capable of withstanding doses of radiation that are several times higher than human cells can tolerate?

1. A) Staphylococcus aureus
2. B) Saccharomyces cerevisiae
3. C) Deinococcus radiodurans
4. D) Escherichia coli
5. E) Conus magus

Answer:  C

2) Which is NOT an indigenous microbe used for bioremediation?

1. A) Piscirikettsis salmonis
2. B) Pseudomonas aeruginosa
3. C) Phanerochaete sordida
4. D) coli
5. E) Deinococcus radiodurans

Answer:  A

3) Ananda Chakrabarty received the first U.S. patent for a GM organism. This organism was ________.

1. A) a transgenic mouse expressing the growth hormone gene
2. B) the GloFish
3. C) Dolly the cloned sheep
4. D) cloned coli
5. E) Pseudomonas engineered to degrade petroleum

Answer:  E

4) During which stage of wastewater treatment are methanogenic microbes most important?

1. A) Primary treatment
2. B) Secondary treatment
3. C) Disinfection
4. D) Sludge digestion
5. E) Biological oxidation

Answer:  D

5) Anaerobic bacteria often play important roles in bioremediation. Which of the following is NOT an electron acceptor used by anaerobes during biodegradation reactions?

1. A) H2O
2. B) CO2
3. C) SO4-2
4. D) NO3-
5. E) Fe(III)

Answer:  A