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- Question
Which of the following is not true about nurse or conditioned medium?
Options- A. It is liquid removed from the suspension of fast growing cells
- B. It contains uncharacterized growth factor released by growing cells
- C. It is used in the culture of regenerating protoplast
- D. it is removed aseptically from the culture and is autoclaved before use
- Correct Answer
- it is removed aseptically from the culture and is autoclaved before use
- 1. Concentration of sucrose generally used in plant cell culture media is
Options- A. 10-15 g/l
- B. 20-30 g/l
- C. 40-50 g/l
- D. 60-70 g/l Discuss
- 2. Which of the following is an ethylene biosynthesis inhibitor?
Options- A. Citric acid
- B. Succinic acid
- C. Activated charcoal
- D. Silver thiosulphate Discuss
- 3. Which is the most common carbon source used in the plant cell culture media?
Options- A. Sucrose
- B. Glucose
- C. Fructose
- D. Maltose Discuss
- 4. Which of the following is not an auxin?
Options- A. Indole acetic acid (IAA)
- B. Naphthalenacetic acid (NAA)
- C. zeatin
- D. Indole butyric acid Discuss
- 5. Which of the following growth regulator promote cell division?
Options- A. Auxins
- B. Cytokinins
- C. Gibberellins
- D. Brassinosteroids Discuss
- 6. Which of the following growth regulator is used to stimulate embryo or shoot development?
Options- A. Auxins
- B. Cytokinins
- C. Gibberellins
- D. Brassinosteroids Discuss
- 7. To maintain the pH of the culture
Options- A. organic acid such as citric, fumaric, malic and succinic acid is used
- B. synthetic buffers such as Tris, MES or HEPS are used
- C. both (a) and (b)
- D. ammonium salts are used Discuss
- 8. Starch content of potatoes can be increased by using a bacterial gene, known as
Options- A. sucrose phosphate synthase gene
- B. ADP glucose pyrophosphorylase gene
- C. polygalactouranase gene
- D. none of the above Discuss
- 9. What are the various disadvantages of cross protection?
Options- A. Possibility of mutations in inducing mild virus strain
- B. Possibility of synergism between inducing virus and other unrelated virus
- C. Possibility of unnecessary spread of mild virus
- D. All of the above Discuss
- 10. Insect resistance in the transgenic plant has been achieved by
Options- A. transferring genes for Bt toxins
- B. transferring genes for protease inhibitors
- C. transferring genes for other insecticidal secondary metabolities
- D. all of the above Discuss
Media Required for Plant Cell Culture problems
Search Results
Correct Answer: 20-30 g/l
Correct Answer: Silver thiosulphate
Correct Answer: Sucrose
Correct Answer: zeatin
Correct Answer: Cytokinins
Correct Answer: Gibberellins
Correct Answer: both (a) and (b)
Correct Answer: ADP glucose pyrophosphorylase gene
Correct Answer: All of the above
Correct Answer: all of the above
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