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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#33

Which of the following animals is sedentary in adult and active in larval stage?

A) Sponge

B) Leech

C)  Salamander

D)  Grasshopper

Answer:   A
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#34

Saliva contains enzyme (Amylase) which hydrolysis starch and glycogen into

A)  Fructose

B)  Maltose

C)  Glucose

D)  Glactose

Answer:   B
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#35

From the head and upper part of the body deoxygenated blood is collected by

A)  Superior vena cava

B)  Pulmonary artery

C)  Inferior vena cava

D)  Pulmonary vein

Answer:   A
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#36

Epidermal dendritic cells that actively patrol the skin, act as

A)  Lymphocytes

B)  Phagocytes

C)  Pathogens

D)  None of these

Answer:   B
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#37

What volume of CO2 can be removed by 100ml of human blood?

A)  50ml

B)  4ml

C)  8ml

D)  54ml

Answer:   B
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#38

Organs or structure in a body that can detect changes in the body conditions are 

A)  Sensors

B)  Receptors

C)  Effectors

D)  Both A and B

Answer:   D
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#39

The number of bones present in the human cranium is

A)  8

B)  10

C)  12

D)  16

Answer:   A
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#40

White matter is composed of

A)  Nerve Cells

B)  Myelinated nerve fibres

C)  Non - Myelinated nerve fibres

D)  None of these

Answer:   B
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