The life of thrombocytes (blood platelets) in blood of mammals is:
1 to 3 days
3 to 5 days
5 to 10 days
10 to 12 days
Person with blood group A possesses which antibody?
A only
B only
No antibodies
Both A and B
What is the shape of nucleus in W. B. C.?
Round
Oval
Spindle
Irregular
Among vertebrates, the largest erythrocytes (above 80µ in diameter) are found in which of the following organisms?
Amphiuma
Camel
Elephant
Ostrich
When does leukopenia occur?
Typhoid infection
Allergy
Influenza
Eosinophilia
Prothrombin which helps in clotting blood is released by:
Blood platelets
Blood corpuscles
Blood plasma
Traumatized tissue
Clot of blood contains which of the following?
Prothrombin
Thrombin
Fibrinogen
Fibrin
Two chambered heart is found in
Frog
Fish
Crocodile
Lizard
Which of the following is different from others in the absence of muscular coat?
Veins
Arteries
Capillaries
Arterioles
The vessel which leads blood to Bowman's capsule is:
Afferent arteriole
Pulmonary vein
Efferent arteriole
Renal vein
