NEET 2008
- Exam
- NEET
- Year
- 2008
- Subject
- Botany
- Chapter
- Cell - The Unit of Life
NEET 2008 · Botany · Cell - The Unit of Life
Vacuole in a plant cell
Vacuole in a plant cell
Options
- Ais membrane-bound and contains storage proteins and lipids
- Bis membrane-bound and contains water and excretory substances
- Clacks membrane and contains air
- Dlacks membrane and contains water and excretory substances
Correct answer
B. is membrane-bound and contains water and excretory substances
Step-by-step solution
The cytoplasm of many plant and some animal cells contains numerous small or large sized, hollow, liquid filled structures, the vacuoles. The vacuoles of plant cells are bounded by a single semipermeable membrane known as tonoplast. These vacuoles contain water, phenol, flavonols, anthocyanins, alkaloids and storage products such as sugars and proteins. The vacuoles of animal cells are bounded by a lipoproteinaceous membrane and their function is storage, transmission of materials and maintenance of internal pressure of cell.