Question

Write short answers of following questions:
| Why mitochondria is also called power house of cell?
0 Why iodine used to stain the onion peel?
i) How electron microscope is different from simple compound
microscope?​

Answer 1

ans1)

Mitochondria is are tiny organelles inside cell, they are known as powerhouse of the cell,because they perform Cellular Respiration.

ans2)

Iodine is used to stain onion peel because it stains the starch granules when the two come in contact making them visible.

ans3)

Electron Microscope

1)Uses Electromagnets

2)Uses the beam of electrons to illuminate the objects.

3)Internal Vacum is Essential.

Compound Microscope

1)Uses glass lenses

2)Uses beam of light to illuminate the objects.

3)Internal Vacum is not required.