Which of the following statements is incorrect about the vacuole in a plant cell?
It stores important substances for the plant.
It may occupy 50 - 90% of the cell volume.
It is small sized and at the corner of the cell.
It provides turgidity and rigidity to the cell.
Answers
Answer:
Tonoplasts are the membranes that cover vacuoles and they are lipid bi-layers but not double membrane. Therefore, the incorrect statement is option B, It is bounded by double-membrane structure called tonoplast.
Considering every statement:
i) It stores important substances for the plant.
Correct
The vacuole stores important substances such as salts, minerals, nutrients, proteins, pigments etc.
(ii)It may occupy 50 - 90% of the cell volume.
Correct
Vacoules occupy 50-90% of the cell volume in mature plant cells.
(iii)It is small sized and at the corner of the cell.
Incorrect
In plant cells, vacoules are one of the largest and central cell organelle.
(iv)It provides turgidity and rigidity to the cell.
Correct
It is one of the function of vacoules to provide turbidity and rigidity to the cells.
Since,(iii) option is incorrect. Therefore,it is the correct option.