Discussion
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- 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. Which of the following catalyze liberation of orthophosphate from organic P compounds and inorganic pyrophosphate?
Options- A. Alkaline phosphates
- B. Oxidoreductase
- C. Protease
- D. Hydrogenase Discuss
- 2. Which of the following theory is supported by the genomic sequence of the obligate intracellular parasite Rickettsia prowazekii?
Options- A. Parasitic bacteria have very large genomes
- B. Parasites have a definite genomic sequence similar to viruses
- C. Mitochondria have evolved from endosymbiotic bacteria
- D. All bacteria evolved from viruses Discuss
- 3. Which of the antibiotic is not used as a food preservative?
Options- A. Pimaricin
- B. Nisin
- C. Tylosin
- D. ?-lactam antibiotic Discuss
- 4. Which of the following microorganism produces only L(+) - lactic acid without further racemization?
Options- A. Leuconostoc mesenteroides
- B. Lactobacillus delbrueckii
- C. Rhizopus oryzae
- D. Lactobacillus bulgaricus Discuss
- 5. Algae are classified into 6 groups, technically known as
Options- A. categories
- B. divisions
- C. genera
- D. domains Discuss
- 6. Which of the following is a food infection?
Options- A. Salmonellois
- B. Botulism
- C. Staphylococcal intoxication
- D. None of these Discuss
- 7. The class of immunoglobulin, most abundant in body is
Options- A. IgD
- B. IgE
- C. IgG
- D. IgM Discuss
- 8. The medium required for glutamic acid mainly consist of
Options- A. glucose
- B. molasses
- C. sucrose
- D. lactose Discuss
- 9. Which of the following nucleic acid is present in hepatitis B virus?
Options- A. dsDNA
- B. ssRNA
- C. ssDNA
- D. dsRNA Discuss
- 10. Who discovered transposons (jumping genes)?
Options- A. Abelson
- B. Harvey
- C. McClintock
- D. Griffith Discuss
More questions
Correct Answer: Alkaline phosphates
Correct Answer: Mitochondria have evolved from endosymbiotic bacteria
Correct Answer: ?-lactam antibiotic
Correct Answer: Rhizopus oryzae
Correct Answer: divisions
Correct Answer: Salmonellois
Correct Answer: IgG
Correct Answer: glucose
Correct Answer: dsDNA
Correct Answer: McClintock
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