Biology Top 100 Repeated MCQs

MDCAT · NUMS · FSc · Entry Test — most asked Biology questions with answers

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These Biology MCQs are picked from high-yield FSc chapters and mix sets — the kind of questions that appear again and again in MDCAT, NUMS, and board exams. Use page navigation below to practice all 100 MCQs, then try the Biology mock test.


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#9

Fats are digested into fatty acids and 

A)  Glycerols

B)  Aminp acids

C)  Glucose

D)  Vitamins

Answer:   A
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#10

Man's heart is enclosed in a tough membrane called

A)  Cardiac membrane

B)  Pericardium

C)  Heart membrane

D)  Endothelium

Answer:   B
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#11

Skin and mucus membranes are component of 

A)  1st line of defense

B)  2nd line of defense

C)  3rd line of defense

D)  Specific defense

Answer:   A
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#12

Oxy hemoglobin is formed in the

A)  Liver

B)  Pancreas

C)  Bone marrow

D)  Capillaries of alveoli

Answer:   D
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#13

The ability of an organism to maintain its internal environment constant is called

A)  Homeostasis

B)  Osmoregulation

C)  Thermoregulation

D)  Excretion

Answer:   A
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#14

The skull of man is

A)  Monocondylic

B)  Dicondylic

C)  Tricodylic

D)  Tetracondylic

Answer:   B
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#15

An action potential in a muscle fibre causes the release of calcium ions from the

A)  Actin Filament

B)  Myosin Filament

C)  Sarcolemma

D)  Sarcoplasmic reticulum

Answer:   D
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#16

A hormpne which will increase blood sugar level and at the same time also increases cardiac output is

A)  Insulin

B)  Glucagon

C)  Non-epinephrine

D)  ADH

Answer:   C
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