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प्रश्न
In the given transverse section of the leaf identify the layer of cells where maximum photosynthesis occurs.
विकल्प
I, II
II, III
III, IV
I, IV
उत्तर
II, III
APPEARS IN
संबंधित प्रश्न
State the term used for the transport of food from leaves to other parts of plant.
What do you mean by 'translocation' with respect to transport in plants?
What are the differences between the transport of materials in xylem and phloem?
Which of the following carries substances upwards as well as downwards in a plant?
The phloem tissue in plants is responsible for the transport of:
Which one of the following has cytoplasm but no nucleus:
The transport system in plants consists of two kinds of tissues X and Y. The tissue X is made up of living cells and consists of two components A and B. The component A has tiny pores in its end walls and contains only cytoplasm but no nucleus. On the other hand, component B has cytoplasm as well as nucleus. The tissue Y is made up of dead cells and consists of two components C and D. The component C has open ends whereas component D does not have open ends. In flowering plants, either only C or both C and D transport water but D is the only water conducting tissue in non-flowering plants.
(a) What is (i) tissue X (ii) component A, and (iii) component B?
(b) What is (i) tissue Y (ii) component C, and (iii) component D?
Water and dissolved minerals get into the root hair of a plant by a process called A and enter the conducting tissue B. The process C helps the water and dissolved minerals to move up through tissue B in roots and stem, and reach the leaves of a plant. In the leaves, food is made by a process D. This food is then transported to all the parts of a plant through tissue E. The process of distributing food made in the leaves to all the parts of the plants is called F.
(a) What are (i) A (ii) B (iii) C (iv) D (v) E, and (vi) F?
(b) Which tissue is made up of living cells: B or E?
(c) Which tissue, B or E, contains sieve tubes?
(d) Which tissue, B or E, contains tracheids?
The form of sugar transported through the phloem is glucose.
Which of the following is the sink end of the plant?
