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Plant Cell Culture
See What Others Are Saying!
Question
Subculturing is similar to propagation by cuttings because
Options
A. it separates multiple microshoots and places them in a medium
B. it uses scions to produce new microshoots
C. they both use in vitro growing conditions
D. all of the above
Correct Answer
it separates multiple microshoots and places them in a medium
More questions
1. A plasmid used to introduce BT toxin into a plant cell
Options
A. carries an antibiotic resistance gene that makes the plant resistant to antibiotics
B. causes the plant to produce opines
C. is toxic for the plant cell
D. carries a bacterial gene with a plant promoter
Show Answer
Scratch Pad
Discuss
Correct Answer: carries a bacterial gene with a plant promoter
2. Tomatoes exhibiting delayed ripening express antisense RNA against
Options
A. glycerol 1 phosphate acyl transferase
B. polygalactouranase
C. ACC deaminase
D. sucrose phosphate synthase gene
Show Answer
Scratch Pad
Discuss
Correct Answer: ACC deaminase
3. The cellular organelle associated with secretion is the
Options
A. golgi complex
B. mitochondrion
C. ribosome
D. lysosome
Show Answer
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Discuss
Correct Answer: golgi complex
4. Which of the following is used to check vortex and to improve aeration efficiency in a fermentor?
Options
A. Impeller
B. Baffles
C. Sparger
D. All of these
Show Answer
Scratch Pad
Discuss
Correct Answer: Baffles
5. Accumulation of lactate leads to
Options
A. increase in pH
B. no change in pH
C. reduction in the pH of culture hence loss of cell viability
D. no loss of cell viability
Show Answer
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Discuss
Correct Answer: reduction in the pH of culture hence loss of cell viability
6. Cider vinegar is produced from
Options
A. fruit juices
B. malted grain
C. ethanol
D. ale
Show Answer
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Discuss
Correct Answer: fruit juices
7. How many chromatids are there in a duplicated chromosome?
Options
A. One
B. Two
C. Three
D. Four
Show Answer
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Discuss
Correct Answer: Two
8. Which of the following would not be found in a prokaryotic cell?
Options
A. organelles
B. DNA
C. nucleoid
D. nucleus
Show Answer
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Discuss
Correct Answer: nucleus
9. Range of optimum glucose concentration present in the culture media is
Options
A. 5.5 - 55 mmol/litre
B. 55 - 75 mmol/litre
C. 75-105 mmol/litre
D. 105-150 mmol/litre
Show Answer
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Discuss
Correct Answer: 5.5 - 55 mmol/litre
10. After the fermentation is over, ethanol is recovered by
Options
A. centrifugation
B. distillation
C. filtration
D. cell disintegration
Show Answer
Scratch Pad
Discuss
Correct Answer: distillation
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