Zoology Questions And Answers :: Environment In Relation To Human Welfare: part1



Basic Science : Environment In Relation To Human Welfare QUESTIONS AND ANSWERS :: part1 : 6 to 10

Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :

6.Percentage of oxygen in the troposphere is

79
0.03
20
Trace

7.Emphysema is a

Respiratory diseases
Coronary heart diseases
Rheumatic heart diseases
Whooping cough

8.The percentage of nitrogen in the troposphere is

79
20
0.03
Trace

9.Thermal inversions occur during

Summer
Autumn
Winter
Spring

10.Epidermis and mesophyll of the leaves are damaged by the acids in

Fog
Smog
Soot
Smoke

More Environment In Relation To Human Welfare QUESTIONS AND ANSWERS available in next pages

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