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The bioassay of auxin is
Options
(a) Avena curvature test
(b) callus formation
(c) culture of fungus
(d) seed dormancy
Correct Answer:
Avena curvature test
Explanation:
Bioassay is a testing of biological activity like growth response of a substance by employing plant part. Avena curvature test is a bioassay for examining the activity of auxins. It is based upon experiments of F.W.Went. 10° curvature is produced by auxin concentration of 150 mg/lit at 25⁰ C and 90% relative humidity. It can measure auxin up to 300 mg/lit. Auxin from shoot tip or any other plant organ is allowed to diffuse in a standard size agar block. 15 -30 mm long oat coleoptile grown in dark is held ve
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Topics: Plant Growth and Development
(126)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Opening of flower is an example of
- The sum total of all chemical reactions occuring in our body is called
- Melvin Calvin worked on
- In photosynthesis energy from light reaction to dark reaction is transferred
- The introduction of t-DNA into plants involves:
Topics: Plant Growth and Development (126)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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