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प्रश्न
Choose the correct answer:
Which tissue makes passage for ascent of sap?
पर्याय
Cortex
Endodermis
Phloem
Xylem
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उत्तर
Xylem
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संबंधित प्रश्न
The figure shows a diagrammatic representation of the movement of certain substances inside the stem of a certain plant. Write five sentences on whatever you can explain about the processes or the arrangement of structures indicated in the diagram.
Note: - Each sentence must include one or more of the following four words, and each word can be used several times. Xylem, phloem, roots, leaves.
Choose the correct answer:
Swelling of wooden doors during rains is caused by ___________
The diagram below represents a layer of epidermal cells showing a fully grown root hair. Study the diagram and answer the questions that follow:
Mention one distinct difference between the parts labelled A and B.
Given below is an experimental demonstration.
(i) Which phenomenon has been demonstrated in the given figure?
(ii) What is the solute and what is solvent in the above experiment?
(iii) Define the phenomenon in Q. (i) above.
(iv) Give one example from your daily life experiences based on this principle.
A thin strip of epidermal cells of a leaf was observed in a drop of water. They all looked turgid and normal.
(a) Draw a diagram of such a cell.
(b) Draw a diagram of a cell if this strip is transferred to a strong concentrated solution of sugar. What is term used for the effect on the cells ?
Multiple Choice Question:
In soil, water available for absorption by root is ______.
In the zone of absorption, epidermal cells form unicellular hair-like extensions called ________.
Identify labels x, y, z in the given figure of root showing different regions.
Which part of the root helps in maximum absorption of water and minerals?
Epiphytic plants like orchids absorb water vapours from air with the help of ______ having special tissue called velamen.
