Discussion
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- Question
Which of the following plamids do not possess information for self transfer to another cell?
Options- A. Cryptic plasmids
- B. Conjugative plasmids
- C. Non-conjugative plasmids
- D. None of these
- Correct Answer
- Non-conjugative plasmids
- 1. The last step in synthesis of peptidoglycan is
Options- A. attachment of a peptide to muramic acid
- B. attaching two amino acids to form a cross-link
- C. attachment of a portion of peptidoglycan to a membrane lipid
- D. binding of penicillin to a membrane protein Discuss
- 2. Which spore is on a club and results from the fusion of two nuclei from different strains of the same fungi?
Options- A. Ascospore
- B. Basidiospore
- C. Blastospore
- D. Conidiospore Discuss
- 3. Slime molds differ from the moldy fungi
Options- A. in their mode of nutrition: phagocytosis for the slime molds; absorptive heterotroph for moldy fungi
- B. in that the moldy fungi produce amoeboid or flagellated cells and the slime molds do not
- C. Both (a) and (b)
- D. none of the above Discuss
- 4. The problem(s) associated with development of a vaccine against HIV is/are
Options- A. antibody alone may be insufficient
- B. rapid mutation of HIV
- C. virus can spread from cell to cell by fusion to produce syncytia
- D. all of these Discuss
- 5. Number of flagella produced by motile cells in
Options- A. members of the phaeophyta is greater than members of the Oomycota
- B. members of the Oomycota is greater than members of the Phaeophyta
- C. members of the Phaeophyta is approximately equal to members of the Oomycota
- D. none of the above Discuss
- 6. The antibiotics not having good activity against Enterobacteriaceae is
Options- A. clindamycin
- B. cefoxitin
- C. trimethoprim-sulphamethoxazole
- D. ciprofloxacin Discuss
- 7. The compound(s) which act(s) as metabolic antagonist is/are
Options- A. trimethoprim
- B. sulphonamides
- C. both (a) and (b)
- D. none of these Discuss
- 8. Which of the following has more tolerance for acidic pH (lower pH)?
Options- A. Yeast and moulds
- B. Bacteria
- C. E. coli
- D. None of these Discuss
- 9. The chlorophyll molecules used by eucaryotes and cyanobacteria absorb radiant energy in the____________portion(s) of the visible spectrum.
Options- A. red
- B. green
- C. red and blue
- D. green and ultraviolet Discuss
- 10. Peptidoglycan is also known as
Options- A. N-acetyl muramic acid
- B. murein mucopeptide
- C. N acetylglucosamine
- D. mesodiaminopimetic acid Discuss
More questions
Correct Answer: attaching two amino acids to form a cross-link
Correct Answer: Basidiospore
Correct Answer: in their mode of nutrition: phagocytosis for the slime molds; absorptive heterotroph for moldy fungi
Correct Answer: all of these
Correct Answer: members of the Phaeophyta is approximately equal to members of the Oomycota
Correct Answer: clindamycin
Correct Answer: both (a) and (b)
Correct Answer: Yeast and moulds
Correct Answer: red and blue
Correct Answer: murein mucopeptide
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