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Question
State whether true or false. If false, correct the statement.
Shoot is positively phototropic and negatively geotropic.
Options
True
False
Solution
Shoot is positively phototropic and negatively geotropic- True
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RELATED QUESTIONS
A plant's response to light is called ______.
The root of a plant grows downward. This is known as ______.
The movement of a plant part in response to the force of attraction exerted by the earth is called :
(a) hydrotropism
(b) geotropism
(c) chemotropism
(d) phototropism
The plant part which exhibits negative geotropism is :
(a) root
(b) stem
(c) branch
(d) leaves
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
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?
When the leaves of a sensitive plant are touched with a finger, they fold up and when light fades at dusk, the petals of a dandelion flower close.
state two ways in which the above two processes differ.
Name a hormone which is responsible for phototropism
The growth movement of plant parts which occurs due to touch stimulus is called ______.
Define the following term:
Clinostat
