SSC MTS EXAM

SSC

BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A plants central vacuole is different than an animals contractile vacuole because:
A
it is bigger
B
it is smaller
C
it stores water
D
it provides strength and support to the cell.
Explanation: 

Detailed explanation-1: -Both plant and animal cells have vacuoles. A plant cell contains a large, singular vacuole that is used for storage of water and nutrients. It also helps maintain the shape of the cell. In contrast, animal cells have many, smaller vacuoles, which also are used for storage of water and nutrients.

Detailed explanation-2: -contractile vacuole, regulatory organelle, usually spherical, found in freshwater protozoa and lower metazoans, such as sponges and hydras, that collects excess fluid from the protoplasm and periodically empties it into the surrounding medium. It may also excrete nitrogenous wastes.

Detailed explanation-3: -The vacuole acts as an organelle that maintains the turgor pressure of the cell. Also, they store water, metabolites and nutrients. Their function is significant in plant cells as they cannot move to find nutrients and water. Thus, plant cells have larger vacuoles than animal cells.

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