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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#57 The first organisms that oxygenated the atmosphere:
A) Cyanobacteria B) Photoautotrophic organisms C) Anaerobic organisms D) All of the above
#58 Tissue organization is missing in protozoa and found in:
A) Parazoa
B) Metazoa
C) Sporozoa
D) Monera
#59 Small inestine is divided into three portions, duodenum, jejunum and
A) Caecum
B) Rectum
C) Colon
D) Ileum
#60 Right atrio-ventricular aperture is guarded by
A) Bicuspid valve
B) Tricuspid valve
C) Tetracuspid valve
D) Semilunar valves
#61 Sweat contains salt and enzymes
A) Amylases
B) Lysozymes
C) Catalase
D) Kinase
#62 The amount of CO2 / 100ml venous blood
A) 60ml
B) 70ml
C) 54ml
D) 55ml
#63 Any change in the environment that produces a response in an organism is called
A) Antigen
B) Effector
C) Stimulus
D) Sensor
#64 In human, coccyx is formed by the function of _________ vertebrae
A) 3
B) 4
C) 5
D) 6
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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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