Discussion
Home ‣ Microbiology ‣ Microbes in Aquatic Environment See What Others Are Saying!
- Question
The amount of oxygen dissolved in hypolimnion water in the winter is __________ to/than the amount of oxygen dissolved in hypolimnion water in the summer
Options- A. greater
- B. lesser
- C. approximately equal to
- D. half
- Correct Answer
- greater
- 1. Stem and loop structures are
Options- A. proteins that help partially denatured enzymes to recover their native configuration
- B. structures in DNA caused by inverted repeats
- C. structures at the ends of linear eukaryotic DNA molecules
- D. the bonds between adjacent DNA nucleotides in the same strand Discuss
- 2. A mutualistic association made up of a fungus and a cyanobacterium is called
Options- A. a saprobe
- B. a gamete
- C. lichen
- D. dimorphic Discuss
- 3. Removal of solids is generally considered as a
Options- A. Primary treatment
- B. Secondary treatment
- C. Tertiary treatment
- D. None of these Discuss
- 4. Which of the following statements is not true regarding Mycobacterium tuberculosis and/or the disease it causes?
Options- A. The pathogen contains mycolic acid in its cell wall
- B. The pathogen can live inside macrophages
- C. Antibodies to the pathogen are protective
- D. None of these Discuss
- 5. Primarily human pathogenic bacteria is/are ,
Options- A. Salmonella typhi
- B. S paratyphi A
- C. S paratyphi B
- D. all of these Discuss
- 6. Immunosuppressive agent(s) is/are
Options- A. Cyclosporine
- B. Methotrexate
- C. Anti-lymphocytic serum
- D. All of these Discuss
- 7. Gram staining was developed accidentally in 1884 by
Options- A. Alexander Fleming
- B. Hans Christian Gram
- C. Joseph Christian Gram
- D. Robert Gram Discuss
- 8. The sulphite waste liquor fermentation employs use of Candida utilis because of its ability to ferment
Options- A. sucrose
- B. pentose
- C. glucose
- D. maltose Discuss
- 9. Which of the following Staphylococcal haemolysins does not cause lysis of human RBCs?
Options- A. ? haemolysin
- B. ? haemolysin
- C. ? haemolysin
- D. ? haemolysin Discuss
- 10. The mode of action of polymyxin is to
Options- A. inhibit protein synthesis
- B. inhibit DNA synthesis
- C. injury to the plasma membrane
- D. inhibit folic acid synthesis Discuss
More questions
Correct Answer: structures in DNA caused by inverted repeats
Correct Answer: lichen
Correct Answer: Primary treatment
Correct Answer: Antibodies to the pathogen are protective
Correct Answer: all of these
Correct Answer: All of these
Correct Answer: Hans Christian Gram
Correct Answer: pentose
Correct Answer: ? haemolysin
Correct Answer: injury to the plasma membrane
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