Biology
Mention whether the following statements are true (T) or false (F). Correct the false statements by altering the last word only.
(a) Addition of salt to pickles prevents the growth of bacteria because they turn turgid.
(b) Cells that have lost their water content are said to be deplasmolysed.
(c) Xylem is the water conducting tissue in plants.
(d) The protoplasm shrinks, when a cell is kept in hypotonic solution.
(e) The cell wall of the root cell is a differentially permeable membrane.
Answer
(a) False
Corrected statement — Addition of salt to pickles prevents the growth of bacteria because they turn flaccid.
(b) False
Corrected statement — Cells that have lost their water content are said to be plasmolysed.
(c) True
(d) False
Corrected statement — The protoplasm shrinks, when a cell is kept in hypertonic solution.
(e) False
Corrected statement — The cell wall of the root cell is a permeable membrane.
Related Questions
Differentiate between Hypotonic and Hypertonic solution
Differentiate between Turgidity and Flaccidity
Mention whether the following statements are true (T) or false (F) and give explanation in support of your answer.
(a) Guttation is another name for bleeding in plants.
(b) Soaked seeds burst their seed coats.
(c) If the phloem of a twig is removed keeping the xylem intact, the leaves of a twig wilt.
(d) Guttation in plants occurs maximum at mid-day.
(e) Raisins when submerged in water swell up due to endosmosis.
Give two examples of turgor movements in plants.