MCQ
Pteridophytes are further classified into....... groups
- A$1$
- B$2 $
- C$3 $
- ✓$4$
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$(i)$ It is a membrane bound space found in the cytoplasm.
$(ii)$ It is bound by a single membrane called tonoplast.
$(iii)$ It contains water, sap, excretory products and other materials not useful to the cell.
$(iv)$ It has higher concentration of sap than the cytoplasm.