Contents

The red color of blood is due to…..
a) red blood cells (RBCs) 
b) white blood cells (WBCs)
c) platelets                                            
d) all of these

a

The red color of blood is due to the presence of red pigment,………. in RBCs.
a) albumin                                           
b) haemoglobin
c) chlorophyll                      
d) fibrinogen

b

Each cubic millimeter of blood contains about ……………millions RBCs.
a) 2        
b) 3                        
c) 4        
d) 5

d

What is/are the characteristic/s of a mature RBC?
a) biconcave                        
b) rounded
c) no nucleus                       
d) all of these

d

Mature red blood cells (RBCs) are…..
a) nucleated                         
b) a-nucleated
c) poly-nucleated                
d) all of these

b

Before and immediately after the RBCs are formed in…….
a) liver                                   
b) red bone marrow
c) spleen                                               
d) both a and c

d