Discussion
Home ‣ Biotechnology ‣ Animal Breeding and Transgenic Animal Comments
- Question
DNA into fish is injected into
Options- A. pronuclei
- B. cytoplasm
- C. both (a) and (b)
- D. none of these
- Correct Answer
- cytoplasm
- 1. Karyoplast is
Options- A. cells devoid of cell wall
- B. nuclei
- C. nuclei with only some residual plasma membrane
- D. cell with nucleus Discuss
- 2. Which of these carries the thousands of genes needed to allow animal and plant cells to pass on inherited characteristics?
Options- A. Chromosomes
- B. Chromatogram
- C. Chromatography
- D. Chromium 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. Enucleation of the cells can be achieved by treating the cells with
Options- A. polyethylene glycol
- B. cytochalasin B
- C. both (a) and (b)
- D. alcohol Discuss
- 5. Which of the following statements is false?
Options- A. Continuous variation produces a spread of variation within a population
- B. Discontinuous variation is the result of genetics alone
- C. Blood group is an example of discontinuous variation
- D. Discontinuous variation is influenced by the environment Discuss
- 6. When a fertilized egg cell develops into an embryo, the entropy of the living system
Options- A. decreases
- B. increases
- C. remains constant
- D. none of these Discuss
- 7. Which of the following is the word used to describe what happens when the nucleus of a sperm joins with the nucleus of an egg cell?
Options- A. Sex
- B. Fertilisation
- C. Intercourse
- D. Reproduction Discuss
- 8. 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
- 9. S cerevisiae start producing ethanol with in
Options- A. 10 h
- B. 12 h
- C. 15 h
- D. 24 h Discuss
- 10. 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 Discuss
Animal Breeding and Transgenic Animal problems
Search Results
Correct Answer: nuclei with only some residual plasma membrane
Correct Answer: Chromosomes
Correct Answer: All of the above
Correct Answer: cytochalasin B
Correct Answer: Discontinuous variation is influenced by the environment
Correct Answer: decreases
Correct Answer: Fertilisation
Correct Answer: All of these
Correct Answer: 12 h
Correct Answer: Baffles
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