MCQ
Experiments on Acetabularia by Hammerling proved the role of:
- ACytoplasm in controlling differentiation.
- BNucleus in heredity.
- CChromosomes in heredity.
- DNucleo-cytoplasmie ratio.
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| Mucor | Reproduction by Conjugation | Ascomycetes |
| Agaricus | Parasitic fungus | Basidiomycetes |
| Phytophthora | Aseptate mycelium | Basidiomycetes |
| Alternaria | Sexual reproduction absent | Deuteromycetes |
$(i)$ The shape of the cells may vary with the function they perform.
$(ii)$ Human $RBC$ is about $7.0\; mm$ in diameter.
$(iii)$ Cytoplasm is the main area of cellular activities.
$(iv)$ Various chemical reactions occur in cytoplasm to keep the cell in the living state.