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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
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संबंधित प्रश्न
Given below is the diagrammatic representation of the transverse section of a part of a plant. Study it and answer the questions that follow:
(a) Name the part of the plant that is shown
(b) Label the parts 1 to 6
(c) Write the functions of parts 3 and 5
Choose the correct answer:
Meaning of ascent of sap is ____________
Choose the correct answer:
Process of ascent of sap in plants occurs ___________
The alongside diagram A shows a root hair growing through the soil particles. Diagram B is the root hair of an aquatic plant.
(i) Name the parts 1,2,3.
(ii) Name two substances which enter the root hair. What are their uses?
(iii) By what process do these substances enter the root hair?
(iv) Account for the different shapes of root hairs in the two diagrams.
What is the composition of an outer layer of root hair?
From which type of cells, root hair is originated
Draw a neat and labelled diagram of the Root tip showing the root hair zone.
Identify labels x, y, z in the given figure of root showing different regions.
____________plants like orchids absorb water vapours from air with the help of epiphytic roots having special tissue called velamen.
Draw a neat and proportionate diagram of root hair and label mitochondria, nucleus and vacuole.
