Discussion
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- Question
Nitrogen fixation is a process that requires
Options- A. energy
- B. an anaerobic environment
- C. both (a) and (b)
- D. an aerobic environment
- Correct Answer
- both (a) and (b)
- 1. Which of the following describes the effect of ionizing radiation on microbes?
Options- A. Changes the 3-dimensional structure of proteins to a 2-dimen-sional form
- B. Substantially decreases enzymatic activity, slowing microbial reproduction
- C. Induces electrons and protons to jump out of the molecules of the microbe
- D. None of the above Discuss
- 2. Living organisms have many complex characteristics. Which one of the following is shared by non-living matter as well?
Options- A. Homeostasis
- B. Tissues
- C. Reproduction
- D. Molecules Discuss
- 3. The protoplast can be used to
Options- A. modify genetic information
- B. create plant hybrid
- C. study plant viral infections
- D. all of these Discuss
- 4. Which of the following is/are vapour-phase disinfectant/s?
Options- A. Formaldehyde
- B. Ethylene oxide
- C. Both (a) and (b)
- D. None of these Discuss
- 5. The physical structure of soil is improved by the accumulation of
Options- A. mold mycelium
- B. minerals
- C. water
- D. all of these Discuss
- 6. All of the following individuals contributed to cell theory except
Options- A. Robert Hooke
- B. Matthias Schleiden
- C. Theodor Schwann
- D. Rudolf Virchow Discuss
- 7. The use of microbes to break down synthetic waste products such as polychlorinated biphenyls is called
Options- A. bioinformatics
- B. biolistics
- C. biotechnology
- D. bioremediation Discuss
- 8. The breakdown of cattle manure in biogas is accomplished by which of the following type of bacteria?
Options- A. Hydrolytic
- B. Transitional
- C. methanogenic
- D. All of these Discuss
- 9. Which is not a form of biomass energy?
Options- A. Incineration of solid waste
- B. Composting to produce methane
- C. Ethanol and methanol production for auto fuel
- D. Photovoltaic production of hydrogen Discuss
- 10. The function of ribosomes within the cell is
Options- A. to produce ATP
- B. to ferment carbohydrates
- C. to synthesize proteins
- D. all of these Discuss
More questions
Correct Answer: Induces electrons and protons to jump out of the molecules of the microbe
Correct Answer: Molecules
Correct Answer: all of these
Correct Answer: Both (a) and (b)
Correct Answer: mold mycelium
Correct Answer: Robert Hooke
Correct Answer: bioremediation
Correct Answer: All of these
Correct Answer: Photovoltaic production of hydrogen
Correct Answer: to synthesize proteins
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