Cell Organelles Short Questions & Answers

Questions

41 Most abundant blood cells in the human body are

A WBCs

B RBCs

C Platelets

D Plasma Cells

View Answer

Answer: RBCs

42 Lock and Key model is also known as

A Template model

B Induced fit model

C Khosland’s Model

D Enzyme-substrate interaction model

View Answer

Answer: Template model

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43 Which of the following statement is incorrect

A Enzymes are protein in nature

B Enzymes are colloidal in nature

C Enzymes are thermolabile

D Enzymes are inorganic catalyst

View Answer

Answer: Enzymes are inorganic catalyst

Multiple Choice Questions with Answers on Cell Organelles | EBook

44 Amount of total blood volume in an individual is approximately-

A 50 ml/Kg body weight

B 60 ml/Kg body weight

C 80 ml/Kg body weight

D None of the above

View Answer

Answer: 80 ml/Kg body weight

45 Haematocrit value is the ratio of

A WBC to plasma

B Platelets to plasma

C RBCs to plasma

D Total blood cells to plasma

View Answer

Answer: RBCs to plasma

46 Normal amount of plasma protein ranges from

A 2.2-4.3 gm%

B 4.4-6.3 gm%

C 6.4-8.3 gm%

D all of the above

View Answer

Answer: 2.2-4.3 gm%

47 Which component of protein contribute to maximum percentage to total plasma protein

A Albumin

B Globulin

C Fibrinogen

D Prothrombin

View Answer

Answer: Albumin

48 Serum does not contain

A Calcium

B Prothrombin

C Factor VIII

D Factor-X

View Answer

Answer: Calcium

49 In Sickle cell anaemia, the defect lies in which polypeptide

A Alpha chain

B Beta chain

C Gamma chain

D All of the above

View Answer

Answer: Beta chain

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

A Anisocytosis

B Poikilocytosis

C Polycythemia

D All of the above

View Answer

Answer: Polycythemia

51 During hypoxia Kidney releases

A Renin

B Renal Erythopoietic factor

C Erythropoietin

D None of the above

View Answer

Answer: Renal Erythopoietic factor

52 Intrinsic factor is secreted by

A Liver

B Chief cells of stomach

C Parietal cells of stomach

D None of the above

View Answer

Answer: Parietal cells of stomach

53 Which of the following extrinsic factor is required for maturation of RBCs

A Vit B12

B Folic acid

C Iron

D Both (a) and (b)

View Answer

Answer: Both (a) and (b)

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

A Chemotaxis

B Pinocytosis

C Opsonization

D Diapedesis

View Answer

Answer: Diapedesis

55 Commonest anaemia in India is

A Pernicious anaemia

B Sickle cell anaemia

C Iron deficiency anaemia

D All of the above

View Answer

Answer: Iron deficiency anaemia

56 Which of the following statements were true regarding ER

A ER provides structural framework to the cell

B ER acts as intra cellular transporting system

C SER is involved in the synthesis of lipid

D All of the above

View Answer

Answer: All of the above

57 The term Golgi apparatus was coined by

A Camillo Golgi

B Robert Brown

C Robert Hook

D Benda

View Answer

Answer: Camillo Golgi

58 In mitochondria cristae act as sites for

A protein synthesis

B phosphorylation of flavoproteins

C breakdown of macromolecules

D Oxidation–reduction reaction

View Answer

Answer: Oxidation–reduction reaction

59 Mitochondrial inner membrane is rich in which phospholipid

A Phosphatidyl inositol

B Phosphatidyl serine

C Cardiolipin

D All the above

View Answer

Answer: Cardiolipin

60 Nucleus was first discovered by

A Robert Hook

B Strasburger

C Robert Brown

D None of the above

View Answer

Answer: Robert Brown

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