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प्रश्न
Answer the following in detail
State various adaptations in the seeds dispersed by wind.
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उत्तर
The seeds dispersed by wind have fluff or tufts of hair or wings to be easily dispersed by wind.
Seeds of some plants are so light that they get easily carried away by the slightest wind to long distances.
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संबंधित प्रश्न
Name the following:
The part of the plant which grows above the soil
Fill in the blank
_________ roots help in absorbing nutrients from the body of the host
State if the following statement Is true or false. Correct the statement if it is false.
Cluster of roots of about the same size is present in the fibrous root system.
State the functions of the following.
Stem tendril
We eat different parts of various plants. Write the part of the plant that we eat.
ginger _________
Answer the following in short.
What is a rhizome
Short Answer Type Question:
Explain the main functions of leaf.
On the lower side of the leaf, there are tiny pores or openings known as ______.
Will a leaf taken from a potted plant kept in a dark room for a few days turn blue black when tested for starch? Give reasons for your answer.
Observe the picture of an activity given as figure carried out with leaves of plants and polythene bag.
Now answer the following:
- Which process is demonstrated in the activity?
- When will this activity show better results on a bright sunny day or a cloudy day?
- What will you observe in the polythene bag after a few hours of setting up the activity?
- Mention any one precaution you must take while performing this activity.
