MP NEET PG 2025 Round 1 Allotment: Counselling Revised Merit List

Bioassay for Gibberellin MCQ - Practice Questions with Answers

Edited By admin | Updated on Sep 18, 2023 18:34 AM | #NEET

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  • 8 Questions around this concept.

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While 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?

 

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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Bioassay of Gibberellins

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