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WorksheetsNora's biology quiz
Total questions: 17
Worksheet time: 15mins
Speed is 25m/s,,,,,distance is 125 m. Calculate the time?
(a)
The upper two chambers of the heart are
Atrium
Vein
Ventricles
deficiency disease caused by vitamin c is:
(a)
One of the following is not related to respiratory system
Lachea
trachea
bronchus
none of them
Explain ,why we call average speed?
(a)
the horizontal line in speed graph means:
object at rest
it has a stable speed
its speed is zero
all of them
find from the graph a section that represents acceleration
(a)
sometimes we don't feel pain in tooth although it is decayed.
Explain why?
(a)
Where do we find valves?
Between heart chambers
Between chambers and big artery
1+2
Gas exchange happens inside the lungs in:
Trachea
Air sac
Bronchi
Gas exchange happens quickly ,because:
air sac has very thin wall
air sac has very thick wall
we don't know
Moving air in and out of the lung is called:
Respiration
Breathing
Gas exchange
Chemical reaction happens inside living cells is called:
Respiration
Breathing
Gas exchange
True / False
only animal cells respire.
True
False
True / False:
Aerobic respiration means we take oxygen from air
True
False
Glucose + Oxygen ----- >
Carbon dioxide + Oxygen
Carbon dioxide + Water
Cells get their energy from:
Glucose (Sugar)
Water
