Prepare for NEET with Botany-specific practice questions. Covering all major Botany chapters, this is perfect for your NEET Biology needs.
Which of the following hormone combinations is commercially used to stimulate flowering in pineapple for improved and consistent fruit production?
Gibberellins and Cytokinins
Auxins and Abscisic Acid
Auxins and Ethylene
Cytokinins and Abscisic Acid
Flowering in pineapple plants is slow. Farmers want to increase yield by promoting flowering throughout the year. Which plant hormones could achieve this?
Auxins and Ethylene
Gibberellins and Cytokinins
Abscisic acid and Cytokinins
Gibberellins and Abscisic acid
Ethylene is commonly used to regulate flowering in pineapples. Which other plant hormone is often used in conjunction with ethylene for this purpose?
Gibberellins
Cytokinins
Auxins
Abscisic acid
If a pineapple farmer wants to synchronize flowering and fruiting in their crop, which of the following hormonal treatments would they MOST likely apply?
Gibberellins and Cytokinins
Ethylene and Auxins
Abscisic acid and Cytokinins
Gibberellins and Abscisic acid
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
Premature fruit and leaf drop in plants can be prevented by applying:
Gibberellins
Cytokinins
Auxins
Abscisic acid