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- #Biology
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Which of the following statement is not correct for vacuoles
Option: 1
Contractile vacoules help in excretion
Option: 2
Tonoplast facilitates the transport of ions against the concentration gradient into the cytoplasm
Option: 3
Food vacoules are formed by engulfing the food particles
Option: 4
sap vacoule is bound by single membrane
Answers (1)
Tonoplast is the membrane surrounding the vacoule. The vacuole helps in maintaining cell volume and cell turgor; the regulation of cytoplasmic ions and pH. The tonoplast helps in the transpot of ion and minerals against the concentration gradient into the vacuole utilizing energy in the form of ATP. Therefore statement 2 is wrong.
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