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- Question
Eukaryotic cells contain
Options- A. a nucleus
- B. DNA
- C. plasma membrane
- D. mitochondria
- E. All of these are correct.
- Correct Answer
- All of these are correct.
- 1. Which of the following microorganism is used for the production of citric acid?
Options- A. Lactobacillus bulgaricus
- B. Saccharomyces cerevisiae
- C. Aspergillus niger
- D. Streptococcus lactis Discuss
- 2. Charon vectors are different from EMBL vectors because
Options- A. they have more extensive range of restriction targets with in their polylinkers.
- B. physical separation of lambda arm from central fragment is required
- C. both (a) and (b)
- D. physical separation of lambda arm from central fragment is not required Discuss
- 3. Plasmids which are maintained as limited number of copies per cell are known as
Options- A. stringent plasmids
- B. relaxed plasmids
- C. cryptic plasmids
- D. all of these Discuss
- 4. Conjugative plasmids
Options- A. exhibit antibiotic resistance
- B. do not exhibit antibiotic resistance
- C. carry transfer genes called the tra genes
- D. do not carry transfer genes Discuss
- 5. A major plant macronutrient found in nucleic acids and proteins is
Options- A. calcium
- B. nitrogen
- C. sulphur
- D. iron Discuss
- 6. Cosmid vectors are
Options- A. plasmids that contain fragment of ? DNA including the cos site
- B. phages that lack cos site
- C. plasmids that have no selection marker
- D. cryptic plasmids Discuss
- 7. Cloning genes in the yeast offer which of following advantage(s)?
Options- A. Over production of proteins of commercial value
- B. Ability to glycosylate proteins during secretion
- C. Ability to clone large piece of DNA
- D. All of the above Discuss
- 8. The term Racking refers to
Options- A. stacking unlabeled wine in bins for aging
- B. adding yeast to initiate fermentation
- C. storing hoses to drain on a slanted board
- D. removing clear liquid from sediment Discuss
- 9. Which of the following event occurs during second phase of growth of P. chrysogenum?
Options- A. Synthesis of penicillin is high
- B. Mycelial mass increases
- C. pH increase
- D. Both (a) and (b) Discuss
- 10. Specialized type of peroxisome and the site of glyoxylate pathway in certain plants is known as
Options- A. gly-peroxisome
- B. lysosome
- C. glyoxysome
- D. none of these Discuss
More questions
Correct Answer: Aspergillus niger
Correct Answer: both (a) and (b)
Correct Answer: stringent plasmids
Correct Answer: carry transfer genes called the tra genes
Correct Answer: nitrogen
Correct Answer: plasmids that contain fragment of ? DNA including the cos site
Correct Answer: All of the above
Correct Answer: removing clear liquid from sediment
Correct Answer: Both (a) and (b)
Correct Answer: glyoxysome
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