Discussion
Home ‣ Biotechnology ‣ General Plant Biotechnology See What Others Are Saying!
- Question
In angiosperm, the endosperm is
Options- A. haploid
- B. diploid
- C. triploid
- D. none of these
- Correct Answer
- triploid
- 1. 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
- 2. 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
- 3. A major plant macronutrient found in nucleic acids and proteins is
Options- A. calcium
- B. nitrogen
- C. sulphur
- D. iron Discuss
- 4. 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
- 5. 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
- 6. 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
- 7. 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
- 8. 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
- 9. Which of the bacteria is considered for biological leaching?
Options- A. T. thiooxidans
- B. T. ferrooxidans
- C. Ferrobacillus terrooxidans
- D. all of these Discuss
- 10. The size of the virulent plasmid of Agrobacterium tumefaciens is
Options- A. 40-80 kb
- B. 80-120 kb
- C. 140-235 kb
- D. >235 kb Discuss
More questions
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
Correct Answer: all of these
Correct Answer: 140-235 kb
Comments
There are no comments.More in Biotechnology:
Programming
Copyright ©CuriousTab. All rights reserved.