Human Physiology MCQs Quiz Multiple Choice Questions & Answers

1. Combination of heam with O₂ is called

1. Oxidized haem
2. Oxyhaemoglobin
3. Oxidation
4. Oxygenation

2. Adult haemoglobin contains ................ polypeptide chains

1. 2Beta,2Gamma
2. 2alpha,2Gamma
3. 2alpha,2Beta
4. 2alpha,2Delta

3. Average mean corpuscular diameter is ................ µm

1. 8.5
2. 5.1
3. 6.3
4. 7.3

4. Commonest anaemia in India is

1. None of the above
2. Pernicious anaemia
3. Sickle cell anaemia
4. Iron deficiency anaemia

5. During erythropoiesis haemoglobin first appears in

1. Pronormoblast
2. Early normoblast
3. Intermediate normoblast
4. Late normoblast

6. During hypoxia Kidney releases

1. None of the above
2. Renin
3. Renal Erythopoietic factor
4. Erythropoietin

7. Each gram% of haemoglobin, when fully saturated, can carry ................ ml of O₂

1. 5ml
2. 1.34 ml
3. 3.14 ml
4. 4.13 ml

8. Each haemoglobin molecules carries ................ number of O₂ molecules

1. 8
2. 2
3. 4
4. 1

9. In RER, ribosomes are located on

1. all throughout
2. the cytoplasmic side
3. on the luminal side
4. both (a) and (b)

10. In Sickle cell anaemia, the defect lies in which polypeptide

1. Delta chain
2. Alpha chain
3. Beta chain
4. Gamma chain

11. Increase in RBC count beyond 10 million per cu mm is known as

1. Leucocytosis
2. Anisocytosis
3. Poikilocytosis
4. Polycythemia

12. Intrinsic factor is secreted by

1. Beta cells of pancreas
2. Liver
3. Chief cells of stomach
4. Parietal cells of stomach

13. Largest WBCs in peripheral blood is

1. Eosinophil
2. Neutrophil
3. Large lymphocyte
4. Monocyte

14. Smallest blood cell is

1. Neutrophil
2. Small lymphocyte
3. Platelet
4. RBC

15. The process by which WBCs squeeze through pores in capillary wall is

1. Diapedesis
2. Chemotaxis
3. Pinocytosis
4. Opsonization

16. The term ER was coined by

1. Benda
2. Camillo Golgi
3. Porter
4. Robert Brown

17. Which of the following extrinsic factor is required for maturation of RBCs

1. Both (a) and (b)
2. Vit B12
3. Folic acid
4. Iron

18. Which of the following organelle has a continuous connection with nuclear membrane

1. SER
2. Golgi apparatus
3. Lysosome
4. RER

19. Which of the following statements are correct regarding Golgi apparatus

1. all of the above
2. sorting and packaging
3. exocytosis of melanin granules
4. exocytosis of thyroxine hormone

20. Which of the following statements were true regarding ER

1. All of the above
2. ER provides structural framework to the cell
3. ER acts as intracellular transporting system
4. SER is involved in the synthesis of lipid