Human Physiology : Biology MCQ Practice Questions & Answers (English)

BiologyEasyHuman Physiology

1.

Which of the following statements were true regarding ER

A

ER provides structural framework to the cell

B

ER acts as intracellular transporting system

C

SER is involved in the synthesis of lipid

D

All of the above

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2.

Which of the following statements are correct regarding Golgi apparatus

A

sorting and packaging

B

exocytosis of melanin granules

C

exocytosis of thyroxine hormone

D

all of the above

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3.

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

A

Golgi apparatus

B

Lysosome

C

RER

D

SER

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4.

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)

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5.

The term ER was coined by

A

Camillo Golgi

B

Porter

C

Robert Brown

D

Benda

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6.

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

A

Pinocytosis

B

Opsonization

C

Diapedesis

D

Chemotaxis

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7.

Smallest blood cell is

A

Platelet

B

RBC

C

Neutrophil

D

Small lymphocyte

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8.

Largest WBCs in peripheral blood is

A

Large lymphocyte

B

Monocyte

C

Eosinophil

D

Neutrophil

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9.

Intrinsic factor is secreted by

A

Chief cells of stomach

B

Parietal cells of stomach

C

Beta cells of pancreas

D

Liver

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10.

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

A

Poikilocytosis

B

Polycythemia

C

Leucocytosis

D

Anisocytosis

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11.

In Sickle cell anaemia, the defect lies in which polypeptide

A

Beta chain

B

Gamma chain

C

Delta chain

D

Alpha chain

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12.

In RER, ribosomes are located on

A

on the luminal side

B

both (a) and (b)

C

all throughout

D

the cytoplasmic side

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13.

Each haemoglobin molecules carries ................ number of $O_2$ molecules

A

4

B

1

C

8

D

2

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14.

Each gram% of haemoglobin, when fully saturated, can carry ................ ml of $O_2$

A

3.14 ml

B

4.13 ml

C

5ml

D

1.34 ml

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15.

During hypoxia Kidney releases

A

Renal Erythopoietic factor

B

Erythropoietin

C

None of the above

D

Renin

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16.

During erythropoiesis haemoglobin first appears in

A

Intermediate normoblast

B

Late normoblast

C

Pronormoblast

D

Early normoblast

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17.

Commonest anaemia in India is

A

Sickle cell anaemia

B

Iron deficiency anaemia

C

None of the above

D

Pernicious anaemia

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18.

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

A

6.3

B

7.3

C

8.5

D

5.1

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19.

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

A

2alpha,2Beta

B

2alpha,2Delta

C

2Beta,2Gamma

D

2alpha,2Gamma

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20.

Combination of heam with $O_2$ is called

A

Oxidation

B

Oxygenation

C

Oxidized haem

D

Oxyhaemoglobin

Human Physiology in Biology : Practice MCQ Questions & Answers with Explanations