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Biology and Human Welfare MCQ Question with Answer

Biology and Human Welfare MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 8
Sickle cell anaemia is due to

deficiency of vitamin B
deficiency of iron in the blood
a genetically determined defect of haemoglobin synthesis
increase in the number of leucocytes in the blood
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Question No : 9
Pleurisy is caused when the pleura is

inflamed
damaged
ruptured
intact
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Question No : 10
The air pollutant that causes pulmonary oedema and haemorrhage is

sulphur dioixde
nitrogen oxides
hydrogen chloride
all of these
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Question No : 11
PAN - Peroxyacetylnitrate which produces burning sensation in the eyes, and causes coughing and headache is formed by a photochemical reaction between

nitrogen oxide and carbon monoxide
nitrogen oxide and hydrocarbons present in automobile exhaust
nitrogen oxide and hydrogen chloride
none of these
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Question No : 12
The damage due to radiations depends upon

developmental stage of an organ
age and sex of the organism
type of organism exposed
all of these
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Question No : 13
The first AIDS case was reported in New York in

1981
1991
1979
19 77
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Question No : 14
The clinical test used for screening blood samples before transfusion is

ELISA test
Hela test
Western blot test
None of these
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Wanna test your skill? Here are some exams we prepared for you. So if you need to test your skill just attempt any exam from bellow.

Exam Name No. Of Q Link
General Biology set 1 30 Start
General Biology set 2 30 Start
General Biology set 3 30 Start
General Biology set 4 30 Start
General Biology set 5 30 Start
General Biology set 6 30 Start
General Biology set 7 30 Start
General Biology set 8 30 Start
General Biology set 9 30 Start
General Biology set 10 30 Start
General Biology set 11 30 Start
General Biology set 12 30 Start