Prepare for NEET with Botany-specific practice questions. Covering all major Botany chapters, this is perfect for your NEET Biology needs.
The Avena curvature test is a bioassay used to detect and quantify which plant hormone?
Gibberellins
Cytokinins
Auxins
Abscisic acid
Which of the following plant growth responses is utilized in the Avena curvature test?
Apical dominance
Seed germination
Fruit ripening
Differential growth
In the Avena curvature test, if an agar block without auxin is placed on the decapitated coleoptile, what will be the observed response?
Positive curvature
Negative curvature
No curvature
Random curvature
The Avena curvature test primarily demonstrates the effect of auxins on which plant part?
Root
Stem
Leaf
Coleoptile
Besides Avena, which of the following could potentially be used for a similar bioassay based on auxin-induced curvature?
Mature leaves
Potato tubers
Pea seedlings
Dry seeds
Which bioassay is commonly used for the quantitative determination of auxin?
Pea curvature test
Root elongation test
Avena curvature test
Lettuce hypocotyl elongation test
In the Avena curvature test, what is measured to determine auxin concentration?
Length of the coleoptile
Weight of the coleoptile
Angle of curvature of the coleoptile
Color change of the coleoptile
Which plant part is used in the Avena curvature test for auxin bioassay?
Root
Stem
Leaf
Coleoptile
Besides the Avena curvature test, which of the following can also be used to bioassay auxin?
Seed germination rate
Flowering time
Root elongation inhibition
Fruit ripening rate
The bioassay of auxin is
Avena curvature test
Callus formation
Culture of fungus
Seed dormancy
