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5. THE FUNDAMENTAL UNIT OF LIFE
easy
Which organelle is known as the powerhouse of the cell? Why ?
Option A
Option B
Option C
Option D
Solution
The organelle mitochondria known as the power house of the cell. Process of cellular respiration takes place in mitochondria to generate energy required for various chemical activities in the form of $ATP$. This is the reason that mitochondria is known as power house of the cell.
Standard 9
Science
Similar Questions
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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