Question

what are plan hormone? name four plant hormone with thier function? what are parthenocarpic fruit?

Answer 1

Chemical substances that are capable of moving from their site of synthesis in plant body and affecting plant growth and physiological activities are termed as plant hormones. These are required in very minute quantities.

Plant Hormone	Functions
1. Auxins	Cell elongation and differentiation
2. Cytokinins	Cell division
3. Gibberellins	Cell enlargement and differentiation
4. Ethylene	ageing (senescence)

Parthenocarpy is a special condition in which development of fruit takes place from unfertilized flower or without the fertilization of ovules. This type of fruit is seedless. This type of condition may be observed naturally or may be induced by plant hormones.