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- Question
Nitrogen in the plant cell culture media is provided by either ammonia or nitrate salt. In the media
Options- A. utilization of ammonium cause culture pH to drop while utilization of nitrate cause culture pH to rise
- B. utilization of nitrate cause culture pH to drop while utilization of ammonium cause culture pH to rise
- C. utilization of both ammonium and nitrate result in rise in pH
- D. utilization of both ammonium and nitrate result in drop in pH
- Correct Answer
- utilization of ammonium cause culture pH to drop while utilization of nitrate cause culture pH to rise
- 1. When an organism has a life cycle with alternation of generations, the haploid generation is the
Options- A. zygote
- B. gametophyte
- C. gamete
- D. sporophyte Discuss
- 2. A plasmid used to introduce BT toxin into a plant cell
Options- A. carries an antibiotic resistance gene that makes the plant resistant to antibiotics
- B. causes the plant to produce opines
- C. is toxic for the plant cell
- D. carries a bacterial gene with a plant promoter Discuss
- 3. The shortest of mitotic phases is the
Options- A. telophase
- B. interphase
- C. metaphase
- D. anaphase Discuss
- 4. When F1 plants are crossed with homozygous recessive plants, it is known as
Options- A. test cross
- B. recessive cross
- C. criss-cross
- D. para-cross Discuss
- 5. In case of incomplete dominance, the phenotypic ratio of a monohybrid cross will be
Options- A. 1:2:1
- B. 3:1:1
- C. 1:3:1
- D. 1:1:2 Discuss
- 6. In plant cell culture media, auxins and cytokinins are used in the range of
Options- A. l-50?M
- B. 50-100?M
- C. 100-125?M
- D. more than 125?M Discuss
- 7. Which is/are the disadvantage/(s) of using IAA in plant cell culture media?
Options- A. It is unstable in solution
- B. Gets easily oxidized
- C. Conjugated to inactive form by plant cells
- D. All of the above Discuss
- 8. What are the macronutrients used in plant cell culture medium?
Options- A. N, P, K, S, Na
- B. N, P, K, Ca, Cl
- C. N, P, K, S, Ca
- D. N, P, Ca, Na, Cl Discuss
- 9. Which is/are the naturally occurring plant auxins?
Options- A. Indole acetic acid (IAA)
- B. Naphthalenacetic acid (NAA)
- C. 2,4-dichlorophenoxyacetic acid
- D. All of the above Discuss
- 10. Which of the following growth regulator is added for short initiation during plant regeneration from callus?
Options- A. Auxins
- B. Cytokinins
- C. Gibberellins
- D. Brassinosteroids Discuss
Media Required for Plant Cell Culture problems
Search Results
Correct Answer: gametophyte
Correct Answer: carries a bacterial gene with a plant promoter
Correct Answer: anaphase
Correct Answer: test cross
Correct Answer: 1:2:1
Correct Answer: l-50?M
Correct Answer: All of the above
Correct Answer: N, P, K, S, Ca
Correct Answer: Indole acetic acid (IAA)
Correct Answer: Cytokinins
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