HORTICULTURE

HORTICULTURE SCIENCE

ULTRA STRUCTURE OF PLANT CELLS AND ORGANS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
True or false:Animal cells are rectangular.
A
False
B
True
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -The cell wall which is made up of cellulose gives the plant cell rigidity resulting in a fixed, rectangular shape. Animal cells lack the rigidity hence, they tend to have a round and irregular shape.

Detailed explanation-2: -An animal cell is usually irregular and round in shape. This is primarily due to the absence of the cell wall, which is a characteristic feature of plant cells.

Detailed explanation-3: -Animal cells are mostly round and irregular in shape while plant cells have fixed, rectangular shapes. Plant and animal cells are both eukaryotic cells, so they have several features in common, such as the presence of a cell membrane, and cell organelles, like the nucleus, mitochondria and endoplasmic reticulum.

Detailed explanation-4: -In plants, the cell wall surrounds the cell membrane. This gives the plant cell its unique rectangular shape. Animal cells simply have a cell membrane, but no cell wall.

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