Q. Which cell organelle is absent in the leaves of onion?
NTA AbhyasNTA Abhyas 2022
Solution:
There are many differences between animal and plant cells. These are as follows;
ANIMAL CELL PLANT CELL $1.$ Cell wall is absent Cell wall is seen outside the cell membrane $2.$ Vacuoles are small and numerous Vacuoles are large and normally single $3.$ Centrioles are present Centrioles are absent $4.$ Nucleus is in the centre Nucleus to one side. $5.$ Chloroplasts are absent Chloroplasts are present
Onion being a plant cell lacks centrioles.
| ANIMAL CELL | PLANT CELL |
| $1.$ Cell wall is absent | Cell wall is seen outside the cell membrane |
| $2.$ Vacuoles are small and numerous | Vacuoles are large and normally single |
| $3.$ Centrioles are present | Centrioles are absent |
| $4.$ Nucleus is in the centre | Nucleus to one side. |
| $5.$ Chloroplasts are absent | Chloroplasts are present |