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Home ‣ Microbiology ‣ Fungi - Molds and Yeasts See What Others Are Saying!
- Question
Fungi in the division Deuteromycota are characterized by the fact that
Options- A. they only reproduce sexually
- B. they form sexual spores called deuterospores
- C. they are incapable of sexual reproduction
- D. a method of sexual reproduction has not been identified
- Correct Answer
- a method of sexual reproduction has not been identified
- 1. Viropexis takes place in the phagocytic vacuoles and is due to the action of enzymes
Options- A. DNA gyrase
- B. lysosomal protease
- C. lysosomal lipase
- D. all of these Discuss
- 2. Bacteriochlorophyll differs from chlorophyll in what way?
Options- A. The chelated metal in bacteriochlorophyll is not Mg
- B. There are chemical differences between the two chlorophyll in their side (R) groups
- C. They have different absorption spectra
- D. Both (b) and (c) Discuss
- 3. Important example(s) of enriched medium/media is/ are
Options- A. Loeffler's serum slope
- B. Bordet-gengou medium
- C. Blood agar
- D. All of these Discuss
- 4. Chemotherapeutic agents must
Options- A. prevent/destroy the activity of a parasite
- B. leave unaltered the host's natural defense mechanisms
- C. be able to come in contact with the parasite by penetrating the cells
- D. all of the above Discuss
- 5. The sulfur pearl of Namibia, Thiomargarita namibiensis
Options- A. is the worlds largest bacterium
- B. stores high concentrations of nitrate in a huge internal vacuole which takes up 98% of the organisms volume
- C. Both (a) and (b)
- D. is the worlds smallest bacterium Discuss
- 6. Black spot in meat are produced mainly by
Options- A. Cladosporium
- B. Thamnidium
- C. Mucor
- D. Rhizopus Discuss
- 7. Loss of carbon through the microbial loop in oligotrophic environments is __________ to/than the loss of carbon through the microbial loop in copiotrophic environments.
Options- A. greater
- B. lesser
- C. approximately equal
- D. half Discuss
- 8. The transport medium for Vibrio cholerae can be
Options- A. Venkatraman-Ramakrishnan medium
- B. Selenite F broth
- C. Tetrathionate broth
- D. Nutrient broth Discuss
- 9. Which of the following statement is correct?
Options- A. Phosphate repression can not be eliminated by optimization of nutrient medium, deregulated medium must be used as production strains
- B. Phosphate repression can be eliminated by optimization of nutrient medium, deregulated medium must be used as production strains
- C. Phosphate repression can be eliminated by optimization of nutrient medium, regulated medium must be used as production strains
- D. Phosphate repression can not be eliminated by optimization of nutrient medium, regulated medium must be used as production strains Discuss
- 10. Radioisotopes are frequently used in the study of cells. Assume a culture of E. coli is grown in a culture medium containing radioactive sulphur. At the end of 48 hours, it is expected to find the radioactive label located in
Options- A. DNA
- B. enzymes
- C. RNA
- D. all of these Discuss
More questions
Correct Answer: lysosomal protease
Correct Answer: Both (b) and (c)
Correct Answer: All of these
Correct Answer: all of the above
Correct Answer: Both (a) and (b)
Correct Answer: Cladosporium
Correct Answer: greater
Correct Answer: Venkatraman-Ramakrishnan medium
Correct Answer: Phosphate repression can not be eliminated by optimization of nutrient medium, deregulated medium must be used as production strains
Correct Answer: enzymes
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