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प्रश्न
Give the scientific terms used to represent the Growth of a pollen tube towards ovule.
उत्तर
Chemotropism
APPEARS IN
संबंधित प्रश्न
Give the scientific terms used to represent the Growing of roots towards the earth.
What does a stem (or shoot) do in response to light? What is this phenomenon known as?
Define chemotropism.
What is meant by 'tropisms' (or tropic movements)? Explain with an example.
A potted plant is growing in a transparent glass jar. In this plant, X and Y are the two growing parts having a lot of meristematic tissue. It is observed that the part X of this plant exhibits positive geotropism but negative phototropism. On the other hand, part Y of this plant exhibits negative geotropism but positive phototropism.
(a) Name the part X of plant.
(b) Name the part Y of plant.
(c) Which part of the plant, X or Y, will exhibit positive hydrotropism?
(d) Which part of the plant, X or Y, can have tendrils on it?
(e) Which phytohormone causes the part X to exhibit negative phototropism?
The tropic movement that helps the climbing vines to find a suitable support is ______.
The leaves of Mimosa are sensitive to ____________.
Write the scientific terms used to represent the following:
Bending of roots towards the water.
Name a hormone which is responsible for phototropism
Name the following:
The tropic movement of plant parts in response to chemicals.
