Practice MCQ Questions and answers on Biology-GK

A. To regulate the formation of urine

B. To regulate the process of digestion

C. To initiate heart beat

D. To start the process of respiration

A. AB-

B. O-

C. AB+

D. O+

A. A

B. B

C. AB

D. O

A. Aorta

B. Pulmonary vein

C. Pulmonary arteries

D. Vena Cava

A. Lack of antigen in his b lood

B. Lack of antibodies in his blood

C. Lack of both antigen and antibodies in his blood

D. Presence of antibodies in his blood

A. Blood corpuscles

B. Blood groups

C. Blood vessels

D. Proteins in Blood

A. 120 mm and 80 mm

B. 201 mm and 110 mm

C. 90 mm and 60 mm

D. 85 mm and 55 mm

A. Spleen

B. Kidney

C. Liver

D. Bone marrow

A. Pulmonary Veins

B. Pulmonary Arteries

C. Both A & B

D. None of the above

A. Plasma cells

B. Monocytes

C. Mast cells

D. Neutrophils