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प्रश्न
Name the plant organ which is positively hydrotropic.
उत्तर
Roots
APPEARS IN
संबंधित प्रश्न
Name the plant part which bends in the direction of gravity but away from light.
Define phototropism. Give one example of phototropism.
Define geotropism.
Define thigmotropism. Give one example of thigmotropism.
The growth of tendrils in pea plants is due to the :
(a) effect of sunlight on the tendril cells facing the sun
(b) effect of gravity on the part of tendril hanging down towards the earth
(c) rapid cell division and elongation in tendril cells that are away from the support
(d) rapid cell division and elongation in tendril cells in contact with the support
The response of a plant part towards gravity is ______.
A student accidentally places her hand on the flame of the candle and quickly pulls her hand away. The flame represents:
Assertion: Plants do have a nervous system for control and coordination.
Reason: Plants use electrochemical means to convey information from cell to cell.
The leaves of the 'chhui-mui' plant begin to fold up and droop in response to a stimulus. Name the stimulus and write the cause for such a rapid movement. Is there any growth involved in the movement?
Name the stimulus which causes the following movement in plant:
phototropism
