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- Question
The production of sufficient acid by fermentation of glucose leads to decrease in pH such that pH of the medium falls below 4.5. Which of the following test can detect it?
Options- A. Indole test
- B. Methyl red test
- C. Citrate utilization test
- D. Voges-Proskauer test
- Correct Answer
- Methyl red test
- 1. Fatty acids are oxidized to acetyl-CoA by which of the following pathways?
Options- A. ?-oxidation
- B. Entner-Doudoroff
- C. pentose phosphate pathway
- D. Embden-Meyerhof pathway Discuss
- 2. The energy value of biogas is typically
Options- A. 400-700 BTU/ft3
- B. 1,000 BTU/ft3
- C. 1500 BTU/ft3
- D. more than 5000 BTU/ft3 Discuss
- 3. Too long a fermentation of sauerkraut may favour the growth of
Options- A. Lactobacillus lactis
- B. Lactobacillus brevis
- C. Bacillus subtilis
- D. none of these Discuss
- 4. Dolichol phosphate is
Options- A. a complex lipid involved in docking vesicles with the plasma membrane
- B. the anchor on which sugars assemble before transfer to proteins
- C. a chaperone used in protein folding
- D. a product of phospholipase C activation Discuss
- 5. Which of the following conditions can be caused by Plesiomonas?
Options- A. Septicaemia
- B. Gastroenteritis
- C. Cellulites
- D. All of these Discuss
- 6. The number of flagella produced by motile cells in
Options- A. members of the Rhodophyta is greater than members of the Phaeophyta
- B. members of the Phaeophyta is greater than members of the Rhodophyta
- C. members of the Rhodophyta is exactly or approximately equal to members of the Phaeophyta
- D. none of the above Discuss
- 7. Which of the following is a primary stain for acid fast staining of mycobacteria?
Options- A. Crystal violet
- B. Carbol fuchsin
- C. Geimsa
- D. Methylene blue Discuss
- 8. Which algal division is divided up into three main groups consisting of the golden-brown algae, the yellow-green algae and the diatoms?
Options- A. Chlorophyta
- B. Chrysophyta
- C. Phaeophyta
- D. Pyrrophyta Discuss
- 9. Which of these spores are characteristic of the black bread mold Rhizopus?
Options- A. Arthrospore and Ascospore
- B. Ascospore and Zygospore
- C. Arthrospore and Blastospore
- D. Sporangiospore and Zygospore Discuss
- 10. The number of members of the division Phaeophyta that live in freshwater habitats
Options- A. is greater than the number of members of the division Chloro-phyta that live in freshwater habitats
- B. is lesser than the number of members of the division Chlorophyta that live in freshwater habitats
- C. is equal to the number of members of the division Chlorophyta that live in freshwater habitats
- D. none of the above Discuss
More questions
Correct Answer: ?-oxidation
Correct Answer: 400-700 BTU/ft3
Correct Answer: Lactobacillus brevis
Correct Answer: the anchor on which sugars assemble before transfer to proteins
Correct Answer: All of these
Correct Answer: members of the Phaeophyta is greater than members of the Rhodophyta
Correct Answer: Carbol fuchsin
Correct Answer: Chrysophyta
Correct Answer: Sporangiospore and Zygospore
Correct Answer: is lesser than the number of members of the division Chlorophyta that live in freshwater habitats
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