Advertisements
Advertisements
प्रश्न
The growth of a pollen tube towards the ovule caused by a sugary substance as stimulus is an example of :
(a) phototropism
(b) chlorotropism
(c) gravitropism
(d) chemotropism
उत्तर
(d) chemotropism
The growth of pollen tubes towards the ovule caused by a sugary substance is an example of chemotropism.
APPEARS IN
संबंधित प्रश्न
What is the stimulus in phototropism?
Give the scientific terms used to represent the Growing of roots towards the earth.
What is meant by nastic movements in plants? Give one example of nastic movements in plants.
Give one example of the movement of a plant part which is caused by the loss of water (or migration of water).
Define geotropism.
How is movement in plants different from that in animals?
Roots of plants are:
Response of plant roots towards water is called:
Write the scientific terms used to represent.
Leaves fold up and droop in touch-me-not plant Mimosa pudica
Define the following term:
Heliotropism
