Advertisements
Advertisements
प्रश्न
Name the stimulus which causes the following movement in plant:
Geotropism
उत्तर
Gravity
संबंधित प्रश्न
What does a stem (or shoot) do in response to gravity? What is this phenomenon known as?
A plant's response to light is called ______.
Tendrils wind around a support in response to ______.
What is the difference between thigmotropism and thigmonasty? Name one plant which exhibits thigmotropism and one plant which exhibits thigmonasty. What behaviour (or responses) of these plants make you think that they exhibit thigmotropism and thigmonasty respectively?
Which of the following plant part exhibits negative phototropism?
(a) root
(b) branch
(c) leaves
(d) stem
While conducting experiments to study the effect of various stimuli on the plants, it was observed that the roots of a 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 stimuli A and B but bends towards the stimulus C. The stimulus B is known to act on the roots due to too much weight of the earth. Keeping these points in mind, answer the following question:
- What could stimulus A be?
- Name the stimulus B.
- What could stimulus C be?
- The branches of a fallen tree in a forest grow straight up in response to two stimuli. What could be these two stimuli out of A, B and C? Also name these two stimuli.
Response of plant roots towards water is called:
Any change in the environment to which an organism responds is called ____________.
The stimulus in the process of thigmotropism is:
The plant part which exhibits negative geotropism is ______.
