Resin duct of gymnospermous stem is an example of:

  • A
    Lysigenous cavity
  • B
    Schizogenous cavity
  • C
    Schizolysigenous cavity
  • D
    None of these

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Cycas leaflets are

In $Cycas$,the endosperm is

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Of the following,which is a false character with respect to $Pinus$?

The resin duct of gymnosperms is an example of .........

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