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प्रश्न
Give the scientific terms used to represent the Growing of roots towards the earth.
उत्तर
Geotropism
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संबंधित प्रश्न
Name one example of the movement of a plant part which is very quick and can be observed easily.
What is the stimulus in hydrotropism?
What happens to the moonflower
- during the daytime, and
- at night?
What is this phenomenon known as?
The movement of a shoot towards light is:
In tropic movements, plant parts move
The tropic movement that helps the climbing vines to find a suitable support is ______.
Plants take in carbondioxide for photosynthesis but need ______ for their living.
Roots of plants are:
Why do stems show positive phototropism?
Given below are the figures showing some kinds of tropic movements in plants. Study the same and answer the following questions:
- Which one of these figures is correct? Give reason in support of your answer.
- Name the kinds of movements shown by the root system and shoot system. Define each.
- What are the two stimuli which affect root system and shoot system positively? Name them.
- Which of the following stimuli affects the growth of the root strongly?
- Gravity
- Water
- Draw a neat and labelled diagram of the longitudinal section of a pistil showing chemotropism in an angiospermic plant.
