Bioassay for Gibberellin MCQ - Practice Questions with Answers
Edited By admin | Updated on Sep 18, 2023 18:34 AM | #NEET
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MEDIUMWhile performing an experiment, a student detached endosperms from embryos, sterilized and allowed them to remain in 1 ml of test solution for 1-2 days. What will be the likely outcome of this experiment?
Bioassay for gibberellin can be done by
In the dwarf pea bioassay, what is the purpose of applying GA solution to some seedlings?
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What happens in the control experiment of the barley endosperm bioassay?
Bakanae disease or foolish seedling disease in rice caused by
Barley endosperm test is bioassay of
Concepts Covered - 1
Bioassay of Gibberellins
Dwarf pea bioassay
- Seeds of dwarf peas are allowed to germinate till the formation of coleoptile.
- GA solution is applied to some seedlings.
- Others are kept as control.
- After 5 days, epicotyl length is measured.
- GA stimulates epicotyl growth with a concentration as low as 1 Nanogram.
Barley endosperm bioassay
- Endosperms are detached from embryos, sterilized and allowed to remain in 1 ml of test solution for 1-2 days.
- There is a build-up of reducing sugars.
- The content of reducing sugar is proportional to gibberellin concentration.
- Reducing sugars are not formed in control experiment where endosperms are kept in plain water.
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