Contents

In erythroblastosis foetalis, the mother’s response to the….exposure is dangerous.
a) first                                     
b) second        
c) third
d) subsequent pregnancy after first

d

Explanation: because mother has already prepared antibodies against Rh factor



To prevent erythroblastosis foetalis, the mother may be injected with…….after delivering her first Rh-positive baby.
a) anti-Rh factor   
b) anti-Rh antibodies
c) haemoglobin    
d) all of these

b

 An erythroblast is a type of……..which still retain a cell nucleus.
a) white blood cell     
b) red blood cell
c) blood platelets        
d) None of these

b

An erythroblast is the immediate precursor of normal……….
a) erythrocyte
b) lymphocyte
c) leukocyte                
d) thrombocyte

a

Explanation: Erythrocytes also called Red blood cells (RBCs)


In Mendelian experiments, the phenomenon of dominance is an interaction between the contrasting alleles of………locus.
a) same                                   
b) non-homologous
c) different                 
d) none of these


a

The interaction between the alleles of different gene pairs located on different loci of same or different chromosomes is called………
a) non-allelic interaction                    
b) inter-genic interaction
c) allelic-interaction    
d) both a and b

d

Contents Details