Transportation of Food and Minerals in Animals and Plants — BIOLOGY STD 8 — Question
ICSE BoardEnglish MediumSTD 8BIOLOGYTransportation of Food and Minerals in Animals and Plants1 Mark
Question
Name the four blood groups. On what basis are they named so ?
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Answer
There are four blood group on the basis of presence or absence of substances called antigens on the surface of red blood cells.These are :
$(a)$ Blood group $A$ has antigen $A$
$(b)$ Blood group $B$ has antigen $B$
$(c)$ Blood group $AB$ has antigen $A$ and $B$
$(d)$ Blood group $O$ no antigens
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