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Biology 10 Chapter 10 - Gaseous Exchange - 10
1.
How many chemicals are present in smoking?
a) 4000
b) 14000
c) 400
d) 40,0000
2.
In the world the smoking rate have raised up to?
a) 3.41 %
b) 4.31 %
c) 4.3 %
d) 3.4 %
3.
The worlds no tobacco day is celebrated in every?
a) 31st of May
b) 21st May
c) 31st of June
d) 21st of June
4.
Which are in tobacco smoke lessens the oxygen carrying capacity of Haemoglobin?
a) Carbon trioxide
b) None
c) CO carbon monoxide
d) CO2 Carbon dioxide
5.
Now smokers which are exposed to passive smoke increase their heart disease risk by?
a) 25-35 %
b) 25-30 %
c) 20-30 %
d) 20-25 %
6.
Smoking increase the risk of tuberculosis?
a) Two to three times
b) Four times
c) Two to four times
d) Two to five times
7.
Tooth loss is higher in smokers than non smokers?
a) Two to four times
b) Two to three times
c) Four times
d) Two to five times
8.
Smoking may lead to?
a) Both (i) and (ii)
b) Respiratory disorders
c) Emphysem
d) Lung cancer
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