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- Question
Metabolism of dissolved organic material released by phytoplankton allows heterotrophic bacteria to become part of the particulate organic matter that is passed up the food web to be metabolized and released as mineral elements and CO2 at each transfer. This sentence describes the
Options- A. microbial loop
- B. Winogradsky column
- C. Redfield ratio
- D. Gibbs free energy
- Correct Answer
- microbial loop
- 1. Canned sweetened condensed milk may become thickened by
Options- A. Bacillus species
- B. Clostridium species
- C. Micrococcus species
- D. Saccharomyces species Discuss
- 2. The flow of genetic material in microbial cells usually takes place from
Options- A. RNA through DNA to proteins
- B. proteins through RNA to DNA
- C. DNA through RNA to proteins
- D. none of these Discuss
- 3. Cephalosporins and Penicillins interfere with which of the following?
Options- A. Protein synthesis
- B. DNA function
- C. Cell membrane function
- D. Cell wall synthesis Discuss
- 4. Vertical transmission may be seen in
Options- A. Hepatitis B virus
- B. Hepatitis C virus
- C. Hepatitis D virus
- D. All of these Discuss
- 5. What is the maximum number of different amino acids in a polypeptide chain coded by the synthetic polyribonucleotides (UCAG)5?
Options- A. One
- B. Two
- C. Three
- D. Four Discuss
- 6. Fungal infection/s frequently observed in HIV disease is /are:
Options- A. candidiasis
- B. cryptococcosis
- C. aspergillosis
- D. all of these Discuss
- 7. In the pour plate method, the mixed culture is diluted directly in tubes of
Options- A. liquid agar medium
- B. sterile liquid usually water
- C. both (a) and (b)
- D. none of these Discuss
- 8. In Yersinia pestis, capsule is best demonstrated in cultures grown at
Options- A. 25°C
- B. 29°C
- C. 37°C
- D. 45°C Discuss
- 9. Which of the following virus is transmitted by genital route?
Options- A. Papillomaviruses
- B. Herpes simplex virus type 2
- C. Hepatitis B virus
- D. All of these Discuss
- 10. The oldest eukaryotic organisms are considered to be
Options- A. diplomonads like Giardia
- B. archaea
- C. fungi
- D. animals Discuss
More questions
Correct Answer: Micrococcus species
Correct Answer: DNA through RNA to proteins
Correct Answer: Cell wall synthesis
Correct Answer: All of these
Correct Answer: Three
Correct Answer: all of these
Correct Answer: liquid agar medium
Correct Answer: 37°C
Correct Answer: All of these
Correct Answer: archaea
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