Biology
Which one of the following diseases is caused by bacteria and spreads through faecal matter by houseflies ?

Typhoid
Diphtheria
Chickenpox
Pertussis

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Biology
Which one among the following statements is correct ?

All arteries carry oxygenated blood
Except the pulmonary vein, all other veins carry oxygenated blood
All veins carry oxygenated blood
Except the pulmonary artery, all other arteries carry oxygenated blood

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