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 ?
(a) (i) Process A is Diffusion.
Explanation: Water and dissolved minerals are absorbed by the root hair of a plant by a process called diffusion.
(ii) Tissue B is Xylem.
Explanation: Water and dissolved minerals are absorbed by the root hair of a plant by the conducting tissue Xylem.
(iii) Process C is Transpiration
Explanation: The process that helps the water and dissolved minerals to move up through the tissue B (Xylem) in roots and stem, and reach the leaves of a plant is known as Transpiration.
(iv) Process D is Photosynthesis
Explanation: In the leaves, food is made by a process of Photosynthesis.
(v) Tissue E is Phloem
Explanation: The food is transported to all the parts of a plant through Phloem.
(vi) Process F is Translocation.
Explanation: The process of distributing food made in the leaves to all the parts of the plant is called Translocation.
(b) B is Xylem and E is the phloem. Phloem (E) is made of living cells.
(c) E (Phloem) contains sieve tubes.
(d) B (Xylem) contains tracheids.
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