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 the 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 plant 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?

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Solution

(a) (i) Diffusion
(ii) Xylem
(iii) Transpiration
(iv) Photosynthesis
(v) Phloem
(vi) Translocation

(b) E

(c) E

(d) B

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Q. Copy these sentences in your notebook and complete them.
Leaves carry out photosynthesis..
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Question 48
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(b) ___ have guard cells.
(c) Cells of cork contain a chemical called ___.
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(e) ___ gives flexibility in plants.
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(h) Phloem transport ___ from ___ to other parts of the plant.

The liquid connective tissue A circulates in our body continuously without stopping. This tissue contains a pigment B which imparts it a colour C. The tissue A consists of four components D, E, F and G. The component D fights infection and protects us from diseases. The component E helps in the clotting of tissue A if a person gets a cut. The component F is a liquid which consists mainly of water with many substances dissolved in it and component G carries oxygen from the lungs to all the parts of the body.
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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.
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The type of vascular tissue in plants which transports the food synthesized in leaves to other parts of the plant is called ____.

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(a) (i) Diffusion (ii) Xylem (iii) Transpiration (iv) Photosynthesis (v) Phloem (vi) Translocation (b) E (c) E (d) B

(a) (i) Diffusion
(ii) Xylem
(iii) Transpiration
(iv) Photosynthesis
(v) Phloem
(vi) Translocation

(b) E

(c) E

(d) B