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प्रश्न
Choose the correct answer:
Which tissue makes passage for ascent of sap?
विकल्प
Cortex
Endodermis
Phloem
Xylem
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उत्तर
Xylem
संबंधित प्रश्न
the exact location of the Lenticels
State whether the following statement is true or false. Rewrite the false statement correctly.
Water absorption mainly occurs through the root-hair.
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 |
Differentiate between the following:
Guttation and bleeding
Root hairs become flaccid, when fertilizers are added to the moist soil around it. Explain.
Differentiate between the following
Permeable and Semi-permeable membrane.
Multiple Choice Question:
In soil, water available for absorption by root is ______.
Inner layer of root hair is made up of ______.
Epiphytic plants like orchids absorb water vapours from air with the help of epiphytic roots having special tissue called ____________.
How many regions are there in a typical root?
