Biology Top 100 Repeated MCQs
MDCAT · NUMS · FSc · Entry Test — most asked Biology questions with answers
Most searched Biology prep on MCQsAll
Jump straight to high-yield MCQs, mock tests, and notes for MDCAT, NUMS, and FSc.
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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#73 Acid rains generally occur in
A) Deserts
B) Industrial towns
C) Rivers
D) Grass lands
#74 Which one of the following acts as a host during the production of insulin by recombinant DNA technology?
A) Plasmid
B) Bacterial cell
C) Eukaryotic cell
D) Recombinant DNA
#75 Vaccine against diphtheria and tetanus are example of
A) Live vaccine
B) Inactivated vaccine
C) Toxoid vaccine
D) Subunit vaccine
#76 What is the site of rRNA synthesis within a cell?
A) Chromatin
B) Nucleolus
C) Perinuclear space
D) Centrosomes
#77 Feulgen's stain is used to view
A) Blood cells
B) Spores
C) DNA
D) Cytoplasm
#78 Oligosaccharides class of carbohydrates contain monosaccharide’s of about:
A) 2 to 8 units
B) 2 to 9 units
C) 2 to 10 units
D) 2 to 11 units
#80 In chlorophyll "a" the group attached to porphyrine ring is:
A) Hydroxyl group
B) Methyl group
C) Carboxyl group
D) Aldehyde group
Page 10 of 13
Most searched Biology prep on MCQsAll
Jump straight to high-yield MCQs, mock tests, and notes for MDCAT, NUMS, and FSc.
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