Micro Organisms problems
- 1. Genetic and biochemical similarities between contemporary cyanobacteria and eukaryotic chloroplasts are accepted to mean that
Options- A. eukaryotes evolved from bacteria
- B. eukaryotes evolved from archaea
- C. oxygenic photosynthesis first evolved in eukaryotes
- D. cyanobacteria arose from chloroplasts which escaped from plant cells Discuss
Correct Answer: eukaryotes evolved from archaea
- 2. The idea of selective toxicity was first proposed by
Options- A. Antony van Leeuwenhoek
- B. Paul Ehrlich
- C. Louis Pasteur
- D. Alexander Fleming Discuss
Correct Answer: Paul Ehrlich
- 3. One of the reasons for the evolutionary success of the kingdom Monera is that its members are nutritionally diverse. Which of the following(s) is/are the way(s) of obtaining energy?
Options- A. Photoautotrophy
- B. Photoheterotrophy
- C. Chemoheterotrophy
- D. All of the above Discuss
Correct Answer: All of the above
- 4. The phospholipids present in cytoplasm membrane of eubacteria is mainly
Options- A. phosphoglycerides
- B. polyisoprenoid
- C. phospholipoprotein
- D. none of these Discuss
Correct Answer: phosphoglycerides
- 5. Which of the following is considered the most unifying concept in biology?
Options- A. Taxonomy
- B. Anatomy
- C. Genetics
- D. Evolution Discuss
Correct Answer: Evolution
- 6. All the following are considered eukaryotes except
Options- A. archaea
- B. fungi
- C. protozoa
- D. humans Discuss
Correct Answer: archaea
- 7. Which of the following microorganisms is classified as a member of archaebacteria?
Options- A. Gyanobacteria
- B. Methanobacteria
- C. Trichomonads
- D. Mycoplasma Discuss
Correct Answer: Methanobacteria
- 8. 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
Correct Answer: Molecules
- 9. In the three domain system of classification, the traditional bacteria are placed in the
Options- A. eukarya
- B. archaea
- C. eubacteria
- D. none of these Discuss
Correct Answer: eubacteria
- 10. The Archaea include all of the following except
Options- A. methanogens
- B. halophiles
- C. thermoacidophiles
- D. cyanobacteria Discuss
Correct Answer: cyanobacteria
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