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Plant Kingdom — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYPlant Kingdom1 Mark
MCQ
Cycas stem shows:
  • A
    Porous wood
  • B
    Manoxylic wood
  • C
    Pycnoxylic wood
  • D
    Ring porous wood
✓

Answer

  1. Manoxylic wood

Explanation:

In Cycas, the stem anatomy shows certain primitive features.

There is a large cortex and pith and contains small amount of wood.

The wood is non compact with large amount of parenchyma, large pith and cortex mixed with less amount of xylem tracheids of wood and called as manoxylic wood.

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