Respiration — Biology MCQs (Class 12)
Free chapter-wise Biology MCQs with answers for MDCAT, FSc and entry tests.
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#1 Oxy hemoglobin is formed in the
A) Liver
B) Pancreas
C) Bone marrow
D) Capillaries of alveoli
#2 What volume of CO2 can be removed by 100ml of human blood?
A) 50ml
B) 4ml
C) 8ml
D) 54ml
#3 The amount of CO2 / 100ml venous blood
A) 60ml
B) 70ml
C) 54ml
D) 55ml
#4 The opening of larynx into the pharynx is called
A) Glottis
B) Egiglottis
C) Ostia
D) Spiracles
#5 One hemoglobin molecule can carry how many molecules of oxygen
`A) 1
B) 2
C) 4
D) 8
#6 Two thin edged fibrous bands of glottis are called
A) Vocal cords
B) Epiglottis
C) Notochord
D) Glottis bands
#7 The color og hemoglobin is
A) Bright red
B) Purple red
C) White
D) Pink
#8 Pressure that favours the liberation of oxygen from the oxy-hemoglobin in the tissue
A) Below 60mm of Hg
B) Below 100mm of Hg
C) 80 mm of Hg
D) 70mm of Hg
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