MCQ
The Avena curvature is used for bioassay of
- ✓$IAA$
- Bethylene
- C$ABA$
- D$GA_3$.
✓
Answer
Correct option: A.
$IAA$
a
(a) : Avena curvature test is a test based on the experiments of Went $(1928)$ which can measure auxin upto $300\ mg/litre$. Indole $3$ - Acetic Acid $(IAA)$ is a universal natural auxin and Avena curvature test may serve as an accurate bioassay for this plant hormone.
(a) : Avena curvature test is a test based on the experiments of Went $(1928)$ which can measure auxin upto $300\ mg/litre$. Indole $3$ - Acetic Acid $(IAA)$ is a universal natural auxin and Avena curvature test may serve as an accurate bioassay for this plant hormone.
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(ii) Gametes can be flagellated, motile but dissimilar in size in Spirogyra.
(iii) In Chlamydomonas both isogamous and anisogamous reproduction occurs.
(iv) Fusion between one large, non-motile, static female gamete and a smaller, motile male gamete is termed oogamous.
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