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Home ‣ Biotechnology ‣ Transport of Molecules in Plant See What Others Are Saying!
- Question
The evaporation of water from leaves is called
Options- A. transpiration
- B. cohesion
- C. tension
- D. pressure flow
- Correct Answer
- transpiration
- 1. Animal pharming can be defined as
Options- A. growing animals for farming
- B. programming animals to produce novel products
- C. generating transgenic animals for farming
- D. none of the above Discuss
- 2. When the cells are enucleated and centrifuged, nuclei
Options- A. detach from cell and settle at the bottom
- B. detach from cell and remain in the supernatant
- C. nuclei remain attached to the cell
- D. none of the above Discuss
- 3. Which of the following gene have been introduced into the transgenic fish?
Options- A. Human or rat gene for growth hormone
- B. Chicken gene for delta crystalline protein
- C. E. coli gene for ?-galactosidase
- D. All of the above Discuss
- 4. To maintain aseptic conditions during fermentation which of the following is needed?
Options- A. Sterilization of fermentor
- B. Sterilization of air supply
- C. Aeration and agitation
- D. All of these Discuss
- 5. As the fermentation for the ethanol production is over, the cells are separated to get the biomass of yeast cells that is used
Options- A. for next fermentation
- B. as single cell protein for animal feed
- C. as manure
- D. all of the above Discuss
- 6. 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
- 7. 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
- 8. 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
- 9. 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
- 10. A major plant macronutrient found in nucleic acids and proteins is
Options- A. calcium
- B. nitrogen
- C. sulphur
- D. iron Discuss
More questions
Correct Answer: programming animals to produce novel products
Correct Answer: detach from cell and settle at the bottom
Correct Answer: All of the above
Correct Answer: All of these
Correct Answer: as single cell protein for animal feed
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
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