Micro Organisms problems
- 1. Primary differences between cilia and flagella are
Options- A. arrangement of microtubules
- B. length and location of basal bodies
- C. how the microtubules are fused to each other
- D. number, length and direction of force Discuss
Correct Answer: number, length and direction of force
- 2. Mycoplasmas, rickettsiae, and chlamydiae are
Options- A. types of fungi
- B. small bacteria
- C. species of protozoa
- D. forms of viruses Discuss
Correct Answer: small bacteria
- 3. Gram staining was introduced by
Options- A. Christian gram
- B. Alfred Gram
- C. Robertcook
- D. Louis Pasteur Discuss
Correct Answer: Christian gram
- 4. Which cell type is considered to have the oldest ancestor?
Options- A. Archaea
- B. Bacteria
- C. Eukarya
- D. they all share the same ancestor Discuss
Correct Answer: they all share the same ancestor
- 5. Who was the inventor of the Petri dish?
Options- A. R.J. Petri, an assistant of R. Koch
- B. A famous French cook
- C. Italian glass blower from Petri, Italy
- D. None of the above Discuss
Correct Answer: R.J. Petri, an assistant of R. Koch
- 6. The third kingdom, protista, as suggested by E.H. Haeckel includes
Options- A. bacteria
- B. algae
- C. fungi
- D. all of these Discuss
Correct Answer: all of these
- 7. Various bacterial species can be subdivided into
Options- A. subspecies
- B. biovarieties
- C. serovarieties
- D. all of these Discuss
Correct Answer: all of these
- 8. Most microbial structures and enzymes are composed of
Options- A. lipids
- B. proteins
- C. carbohydrates
- D. lipids and carbohydrates Discuss
Correct Answer: proteins
- 9. Which of the following structure is absent in eukaryotic cells?
Options- A. Mitochondria
- B. Chloroplasts
- C. Golgi structure
- D. Mesosome Discuss
Correct Answer: Mesosome
- 10. The unifying feature of the archaea that distinguishes them from the bacteria is
Options- A. habitats which are extreme environments with regard to acidity
- B. absence of a nuclear membrane temperature
- C. presence of a cell wall containing a characteristic outer membrane
- D. cytoplasmic ribosomes that are 70S Discuss
Correct Answer: absence of a nuclear membrane temperature
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