Q. Which cell organelle is absent in the leaves of onion?
Solution:
There are many differences between animal and plant cells. These are as follows;
ANIMAL CELL PLANT CELL Cell wall is absent Cell wall is seen outside the cell membrane Vacuoles are small and numerous Vacuoles are large and normally single Centrioles are present Centrioles are absent Nucleus is in the centre Nucleus to one side. Chloroplasts are absent Chloroplasts are present
Onion being a plant cell lacks centrioles.
| ANIMAL CELL | PLANT CELL |
| Cell wall is absent | Cell wall is seen outside the cell membrane |
| Vacuoles are small and numerous | Vacuoles are large and normally single |
| Centrioles are present | Centrioles are absent |
| Nucleus is in the centre | Nucleus to one side. |
| Chloroplasts are absent | Chloroplasts are present |