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प्रश्न
The growth movement of a plant part in response to the touch of an object is called :
(a) thigmonasty
(b) hydrotropism
(c) thigmotropism
(d) geotropism
उत्तर
(c) thigmotropism
The growth movement of a plant part in response to the touch of an object is called thigmotropism.
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संबंधित प्रश्न
Fill in the following blank :
...... is the hormone that causes phototropism in plants
Name five stimuli which act on plants. Name the type of tropism produced by each one of these stimuli.
Define thigmotropism. Give one example of thigmotropism.
Which of the following terms denotes the movement of the root of a plant towards moisture in the soil?
(a) thigmotropism
(b) chemotropism
(c) hydrotropism
(d) geotropism
The response of a plant part towards gravity is ______.
State whether true or false. If false, correct the statement.
The response of a part of plant to the chemical stimulus is called phototropism.
What is the difference between movement of flower in sunflower plant and closing of the leaves in the Mimosa pudica?
The movement of sunflower in accordance with the path of sun is due to
The plant part which exhibits negative geotropism is ______.
While conducting experiments to study the effects of various stimuli on the plants, it was observed that the roots of plant X grow and bend towards two stimuli A and B but bend away from a third stimulus C. The stem of the plant X however bends ” away from stimulus A and B but bends towards the stimulus C. The stimulus B is known to act on the roots due to factors related to Earth. Keeping these points in mind, answer the following questions:
- What could be stimulus A?
- Name the stimulus seen in B.
- What could be stimulus-C?
