MCQ
The endosperm of gymnosperms is.
- ATriploid.
- BHaploid.
- CDiploid.
- DPolyploid.
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$(a)$ The cattle egret and grazing cattle
$(b)$ Barnacle balanus and Barnacle chathamalus
$(c)$ Goat and Abingdon turtle from Galapagosisland
$(d)$ Barnacles growing on the back of whale