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5. THE FUNDAMENTAL UNIT OF LIFE
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Why is the cell called the structural and functional unit of life ?
Option A
Option B
Option C
Option D
Solution
There are various components in the animal and plant cell known as cell organelles.Each kind of cell organelle performs a specific function, such as making new materials in the cells, release of waste, transportation, etc. Thus, a cell can perform all its functions with the help of these organelles. That is why the cells are called structural and functional unit of life.
Standard 9
Science
Similar Questions
medium
Full in the gaps in the following table illustrating differences between prokaryotic and eukaryotic cells.
| Prokaryotic Cell | Eukaryotic Cell |
| $1.$ Size : generally small $(1-10 \,\mu \,m )$ $1 \,\mu \,m =10^{-6} \,m$ |
$1.$ Size : generally large $(5-100 \,\mu \,m )$ |
| $2.$ Nuclear region : ………………. and …………… | $2.$ Nuclear region: well defined and surrounded by a nuclear membrane |
| $3.$ Chromosome : single | $3.$ More than one chromosome |
| $4.$ Membrane-bound cell organelles absent | $4.$ ……………………. |
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