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प्रश्न
Name the type of chemical substances that control the growth in plants.
उत्तर
Plant hormones are the chemical substances that control growth in plants. Auxin, gibberelins, cytokinins and abscisic acid are examples of plant hormones.
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संबंधित प्रश्न
What is the stimulus in thigmotropism?
What is a plant hormone? Name four plant hormones. State one function of each.
A plant's response to gravity is called ______.
Name the plant organ which is positively geotropic
Define thigmotropism. Give one example of thigmotropism.
Differentiate between:
Phototropism and chemotropism
The tropic movement that helps the climbing vines to find a suitable support is ______.
Assertion: Plants do have a nervous system for control and coordination.
Reason: Plants use electrochemical means to convey information from cell to cell.
When the leaves of a sensitive plant are touched with a finger, they fold up, and when the light fades at dusk the petals of a sunflower. These two plants show ______ and ______ movements.
Write the scientific terms used to represent the following:
Bending of roots towards the water.
