Universal donor is
O Rh+
O Rh–
AB Rh+
AB Rh–
B.
O Rh–
With regard to transfusion of whole blood or packed red blood cells, individuals with O type negative blood are often called universal donors and those with type AB positive blood are called universal recipients. The person with blood group O– do not have any type of antigen present on the surface of the RBC so the recipient will not form any antibody against it.
Which one of the following in birds, indicates, their reptilian ancestry?
Scales on their hindlimbs
Four-chambered heart
Two special chambers crop and gizzard in their digestive tract
Eggs with a calcareous shell
Select incorrect pair
Porifera – Choanocytes
Coelenterata – Nematocysts
Annelida – Segmentation
Monera – Eukaryote
Which type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin?
Neutrophils
Basophils
Eosinophils
Monocytes
Correctly matched set of phylum, class and example is
Protozoa-Mastigophora-Entamoeba
Mollusca=-Bivalvia-c-Pmcrcdc
Arthropoda-Diplopoda-Scolopendra
Chordata-Cyclostomata-Phrynosoma
If a child is of O blood group and his father is of B blood group, the genotype of father is
IO IO
IA IB
IO IB
IO IA
Bilateral symmetry, metameric segmentation, coelom and open circulatory system are the features of
Annelida
Arthropoda
Mollusca
Echinodermata
