IGCSE O Level Biology Practice Test 126

Biological Science MCQs (Multiple Choice Questions) PDF Download - 126

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Biological Science MCQ with Answers PDF Download: Quiz 126

MCQ 626:

Too little carbon dioxide (CO₂) in lungs leads to

no breathing
over breathing
under breathing
asthma

MCQ 627:

From which fungi class ,yeast belongs to

unicellular fungi
multicellular fungi
bicellular fungi
tricellular fungi

MCQ 628:

Primary factors controlling the rate of photosynthesis are known as

inhibiting factors
limiting factors
expediting factors
supporting factors

MCQ 629:

Hollow space between xylem is called

vessel
lumen
lignin
pits

MCQ 630:

Collecting tubules transport waste materials into the

renal pelvis
ureter
hilus
medulla

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