Difference between moroosi land and other types of lands

Can someone please tell me the difference between moroosi land and other types of lands.

Form vii , form vii-b.. Form 2 moroosi
And if buy moroosiland will it remains moroosi or it will change into any other category of one of above..
And do we have to pay taxes on moroosi land too likewise other types of land..
Thanks

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