Biology
State whether the following statements are True or False. Rewrite the false statements correctly.
(a) Water absorption mainly occurs through the root-hair.
(b) Water enters the root-hair by osmosis.
(c) Water absorbed by the roots reaches the leaves and is used in producing food for the entire plant.
(d) A semi-permeable membrane allows larger molecules to pass through but prevents the smaller ones.
(e) Transpiration is the loss of water from the roots of the plant.
(f) Transpiration cools the plant when it is hot outside.
Transport in Plants
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Answer
(a) True
(b) True
(c) True
(d) False
Corrected statement — A semi-permeable membrane allows smaller molecules to pass through but prevents the larger ones.
(e) False
Corrected statement — Transpiration is the loss of water from the aerial parts of the plant.
(f) True
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Related Questions
Fill in the blanks with suitable terms given below: (fast, leaves, conducting, ascent, humid)
(i) Transportation in plants is carried out by a …………… system.
(ii) The upward movement of sap that contains water and minerals is called …………… of the sap.
(iii) Transpiration is more when the wind is blowing ……………
(iv) Most water gets evaporated from the plant from its ……………
(v) Transpiration is reduced if the air is ……………
Match the terms given in Column A with those given in Column B
Column A Column B (a) Phloem parenchyma (i) Cylindrical cells devoid of a nucleaus (b) Tracheids (ii) Tubular cells forming long channels (c) Xylem vessels (iii) Cells attached to sieve tubes (d) Sieve tubes (iv) Elongated dead cells (e) Companion cells (v) Cells storing food Name the plant tissue which helps in carrying the food to different parts of a plant.
Name the two conducting tissues of the plants.