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WorksheetsClass 7 : Respiration
Total questions: 10
Worksheet time: 7mins
Name
Class
Date
1.
What type of respiration requires oxygen?
a)
Aerobic
b)
Anaerobic
2.
What are the products of anaerobic respiration?
a)
Glucose and oxygen
b)
Carbon dioxide and water
c)
Lactic acid
d)
Carbon monoxide
3.
Where does cellular respiration occur?
a)
Nucleus
b)
Mitochondria
c)
Vacuole
d)
Chloroplast
4.
What is the correct equation for cellular respiration?
a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
c)
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
d)
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
5.
During heavy exercise, we get muscle cramps in the legs due to the accumulation of _______________
a)
carbon dioxide
b)
lactic acid
c)
alcohol water
6.
Taking in air rich in oxygen into the body is called ______________________
a)
breathing
b)
respiration
c)
inhalation
d)
exhalation
7.
Which organ excretes carbon dioxide?
a)
Lungs
b)
Liver
c)
Heart
d)
Kidney
8.
ATP is
a)
Adenosine Diphosphate
b)
Adenosine Triphosphate
c)
not an energy molecule
d)
Adenotriplet phosphate
9.
Cold water bath or massage helps in improving circulation of blood.
a)
True
b)
False
10.
Breathing is important as it
a)
reduces stress
b)
improves digestion
c)
helps in detoxification of body
d)
all of these
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