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प्रश्न
Match the items in column I with those in column II
| Column I | Column II | ||
| (a) | Xylem | (i) | semi - permeable |
| (b) | Phloem | (ii) | permeable |
| (c) | Cell membrane | (iii) | downward flow of sap |
| (d) | Root pressure | (iv) | upward flow of water |
| (e) | Cell wall | (v) | guttation |
जोड़ियाँ मिलाइएँ
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उत्तर
| Column I | Column II | ||
| (a) | Xylem | (iv) | upward flow of water |
| (b) | Phloem | (iii) | downward flow of sap |
| (c) | Cell membrane | (i) | semi - permeable |
| (d) | Root pressure | (v) | guttation |
| (e) | Cell wall | (ii) | permeable |
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
संबंधित प्रश्न
Study the diagram given below and answer the questions that follow:
- Name the process being studied in the above experiment.
- Explain the process mentioned in (a) above
- Why is oil placed over water?
- What do we observe with regard to the level of water when this set-up is placed in (1) bright sunlight, (2) humid conditions and (3) windy days?
- Mention any three adaptations found in plants to foster the process mentioned in (a) above
Mention two ways in which root hairs are suited for absorption of water from the soil?
Name the following:
Tissue concerned with upward conduction of water.
Explain briefly whydo not root hairs become flaccid when fertilisers are added to the moist soil around them?
Study the experimental setup in the figure and then answer the question that follow.
What will you observe in the setup after about half an hour? Give reasons for your answer.
Name the following:
The kind of cells that constitute the cortex of a root.
Draw a neat and labelled diagram of Root hair.
Write a note on the morphological structure of the root.
How many regions are there in a typical root?
Why and how does water enter continuously into the root xylem?
