Question:
Vacuole in a plant cell
Vacuole in a plant cell
Updated On: Jul 12, 2022
- lacks membrane and contains air
- lacks membrane and contains water and excretory substances
- is membrane-bound and contains storage proteins and lipids
- is membrane-bound and contains water and excretory substances.
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The Correct Option is D
Solution and Explanation
In a plant cell, vacuole may be defined as a non-living reservoir, bounded by a differentially or selectively permeable membrane, the tonoplast. It is filled with a highly concentrated solution called vascular sap or cell sap which contains many dissolved solutes such as organic acids, soluble carbohydrates, soluble nitrogenous compounds as nitrates, enzyme, tannins, chlorides, phosphates, amino acids, alkaloids and anthocyanin pigments.
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Concepts Used:
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- A cell is derived as the functional and structural unit of life. Every cell is surrounded by a cell membrane that dissects the external and internal environments of the cell. The interior environment of a cell is called the cytoplasm.
- It carries cellular machinery and structural elements. The nucleus is present in the center of the cell, which includes all the hereditary information of an organism. Some of the molecules present in the cell are protein, carbohydrates, starch, and sugar.
Read More: Fundamental Unit of Life: Cell
Parts of Cell:
The different parts of a cell and their functions are as follows:
- Cell Membrane
- Cell Wall
- Nucleus
- Cytoplasm
