I: | All cells arise from pre-existing cells. |
II: | Prokaryotic cells do not have any organelles. |
III: | Eukaryotic cells have only membrane bound organelle. |
IV: | Centrosome helps in cell division in plants and animals. |
I: | Several ribosomes may attach to a single mRNA and form a chain called polyribosomes or polysome. |
II: | The ribosomes of a polysome translate the mRNA into different proteins. |
1. | Only I | 2. | Only II |
3. | Both I and II | 4. | Neither I nor II |