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प्रश्न
Where are auxins synthesized in a plant? Which organ of the plant shows:
- Positive phototropism
- Negative geotropism
- Positive hydrotropism
उत्तर
A plant's growing tips on its roots and shoots are where auxins are created.
- Shoot
- Shoot
- Roots
APPEARS IN
संबंधित प्रश्न
One of the following is not caused by the growth related movement of the concerned plant part. This is:
Differentiate between:
Thigmotropism and geotropism
A student accidentally places her hand on the flame of the candle and quickly pulls her hand away. The flame represents:
The growth of tendrils in pea plants is due to
What is a tropic movement? Explain with an example.
Chlorophyll differs from hemoglobin by the presence of its central molecule ______.
Write the scientific terms used to represent the following:
Growing of roots towards the gravity.
Name a hormone which is responsible for phototropism
Name the stimulus which causes the following movement in plant:
Hydrotropism
The figure given below depicts a kind of tropic movement in plants. Study the same and answer the following questions:
- What kind of a movement is shown in the figure? Define it.
- How does this movement differ from geotropism?
- Name the stimulus responsible for thigmotropism. Give one example of a plant showing thigmotropism.
- Name one stimulus which gives a positive response for the roots but a negative response for the shoot.
- Draw a neat and labelled diagram of the part of a plant showing leaf tendril. Name the plant.
