Blood Composition and Blood Cells
Human biology quiz covering blood properties, red blood cells, white blood cells, haemoglobin, iron metabolism, and erythropoiesis.
Questions
The velocity of blood is maximum in
- venules
- small arteries
- large veins
- small veins
- capillaries
Which of the following is a false statement?
- People living at high altitude have greater red blood cell concentration.
- The maximum haemoglobin concentration is 34 g in 100 ml red blood cells.
- The number of haemoglobin in one red blood cell is 28 to 30.
- Red blood cells contain large quantity of carbonic anhydrage enzyme.
- Red blood cell has convex disc-like structure.
Erythropoesis is decreased in/at
- hypoxia
- anaemia
- high altitudes
- heavy exercise
- complete bed rest
Which of the following is not a property of blood?
- Red colour
- 5.5 litre volume
- pH: 6.4
- More viscous than water
- 1.052 to 1.061 specific gravity
Which blood cells are involved in gaseous transport?
- Leucocytes
- Neutrophils
- Lymphocytes
- Erythrocytes
- Thrombocytes
In maturation of red blood cells, which of the following is required?
- Interleukin
- Erythropoietin
- Vitamin B 12
- Vitamin C
- Iron
Maximum erythropoietin synthesis occurs in
- kidney
- liver
- pancreas
- placenta
- pineal gland
Iron is not necessary for the formation of
- haemoglobin
- myoglobin
- cytochrome
- peroxydase
- haemocyanins
Blood is not known as
- fluid of life
- connective tissue in fluid form
- fluid of growth
- fluid of health
- fluid of brain
After 5 years of age, red blood cell production occurs in
- yalk sac
- liver
- bone marrow
- proximal end of tibia, humerus and flat bones
- vertebrae, sternum, ribs and iliac
Which of the following is not an iron storing organ?
- Liver
- Reticuloendothelial system of bone marrow
- Parietal cell of gastric gland
- Kidney
- Spleen
Identify the false statement.
- Life span of a red blood cell is 120 days.
- Red blood cell have no mitochondria.
- Daily loss of iron is 6 g/day.
- Iron is absorbed by small intestine.
- Iron is stored in form of haemosiderin.
Our body has a special system for combating different infections and toxic agents. This is composed of
- red blood cells
- white blood cells
- haemoglobin
- plasma
- platelets
Which of the following is not a type of white blood cells?
- Granulocyte
- Monocyte
- Lymphocyte
- Erythrocyte
- Plasma cells
Formation of white blood cells does not occur in
- bone marrow
- spleen
- thymus gland
- lymph tissue
- nerve cells