MCQ
The major function of the intervertebral disc is to:
- AString the vertebrae together.
- BPrevent injuries.
- CAbsorb shock.
- DPrevent hyperextension.
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$A.$ Mosses and lichens are the first organisms to colonise a bare rock.
$B.$ Selaginella is a homosporous pteridophyte.
$C.$ Coralloid roots in Cycas have $VAM$.
$D.$ Main plant body in bryophytes is gametophytic, whereas in pteridophytes it is sporophytic.
$E.$ In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte.