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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#49

The primer used in PCR has a sequence of

A)  8 bases

B)  12 bases

C)  16 bases

D)  20 bases

Answer:   D
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#50

The termed vaccine was proposed by

A)  Louis Peteur

B)  Edward Jenner

C)  Edward Tatum

D)  Sanger

Answer:   A
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#51

Which among the following is incorrect about endoplasmic reticulum?

A) These are complex network of membrane bounded tubules

B) They are classified as smooth and rough endoplasmic reticulum

C) Smooth endoplasmic reticulum has ribosomes attached to their surface and acts as site of protein synthesis

D) Rough endoplasmic reticulum is connected by nuclear membrane at one end and golgi apparatus on the other end

Answer:   C
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#52

The resolving power of human naked eye is 

A)  1mm

B)  10mm

C)  25mm

D)  50mm

Answer:   A
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#53

All of the following are carbohydrate EXCEPT:

A) Glycogen

B) Collagen

C) Starch

D) Cellulose

Answer:   B
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#54

Apoenzyme is

A)  Aminoacid

B)  Protein

C)  Cofactor

D)  C--enzyme

Answer:   B
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#55

Which is least important in photosynthesis?

A) Red light

B) Blue light

C) Sunlight

D) Green light

Answer:   D
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#56

The protein coat of a virus is called the:

A) Capsomere

B) Nucleoid

C) Capsid

D) Virion

Answer:   C
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Page 7 of 13

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