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1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from respiratory disorder causing wheezing due to :
A
Proliferation of fibrous tissues and damage of the alveolar walls
B
Reduction in the secretion of surfactants by pneumocytes
C
Benign growth on mucous lining of nasal cavity
D
Inflammation of bronchi and bronchioles
2
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
World Ozone Day is celebrated on
A
5th June
B
21st April
C
16th September
D
22nd April
3
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
In stratosphere, which of the following elements acts as a catalyst in degradation of ozone and release of molecular oxygen?
A
Carbon
B
Cl
C
Fe
D
Oxygen
4
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Which of the following is a secondary pollutant?
A
CO
B
CO2
C
SO2
D
O3
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