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Air Pollution

Fill in the b...

Question

Fill in the blanks with approriate words.
Vital capacity of trained athletes is .......... than that of non-athletes while of non-smokers is .......... than that of smokers.

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Solution

Vital capacity is higher in athletes than that of non-athletes. Also, it is higher in non-smokers than in smokers.

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Q. Consider the following statements each with two blanks.
(i) Diaphragm contracts to help in ___(1)__ while the contraction of abdominal muscles helps in (2).
(ii). Vital capacity of trained athletes is ___(3)___ than that of non-athletes while the vital capacity of non-smokers is ___(4)___ than that of smokers.
(iii) Alveolar P

O_{2}

is ___(5)___ than the venous P

O_{2}

while arterial P

O_{2}

is ___(6)___ than the alveolar P

O_{2}

.
Which of the following options gives the correct fill ups for the respective blanks numbers from (1) to (6) in the above statements?

Q. In a group of

400

160

are smokers and non-vegetarian,

100

are smokers and vegetarian and the remaining are non-smokers and vegetarian. The probabilities of getting a special chest disease are

35 %,

20 %

10 %

respectively. A person is chosen from the group at random and is found to be suffering from the disease. What is the probability that the selected person is a smoker and non-vegetarian?

Sometimes non-smokers are prone to lung cancer.

Reason: Non-smokers are also called passive smokers.

Q. In a group of

400

160

are smokers and non-vegetarian;

100

are smokers and vegetarian and the remaining

140

are non-smokers and vegetarian. Their chances of getting a particular chest disorder are

35 %, 20 %

10 %

respectively. A person is chosen from the group at random and is found to be suffering from the chest disorder. The probability that the selected person is a smoker and non-vegetarian is:

200

newly inducted personals by a Multinational company,

25

% were IIT engineers and the rest were engineers from other colleges,

60

were smokers and

30

% of the non-smokers were from IIT. .How many non-smokers were from IIT?

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