The exhaled air contains
A. carbon dioxide only
B. a mixture of carbon dioxide and nitrogen
C. a mixture which has more carbon dioxide than oxygen
D. a mixture of carbon dioxide, nitrogen and oxygen in which nitrogen has the highest percentage
Answer: Option D
Solution(By Examveda Team)
The exhaled air contains a mixture of carbon dioxide, nitrogen and oxygen in which nitrogen has the highest percentage. Exhaled air contains less oxygen and more carbon dioxide, it is also saturated with water vapour. Exhaled air contains: 78% nitrogen and16% oxygen.Who amongst the following had called Rabindranath Tagore as THE GREAT SENTINEL?
A. Abul Kalam Azad
B. Mahatma Gandhi
C. Dr. Rajendra Prasad
D. Subhash Chandra Bose
Grand Central Terminal, Park Avenue, New York is the world's
A. highest railway station
B. longest railway station
C. largest railway station
D. None of the above
Entomology is the science that studies
A. The origin and history of technical and scientific terms
B. Behavior of human beings
C. Insects
D. The formation of rocks
E. None of these
Eritrea, which became the 182nd member of the UN in 1993, is in the continent of
A. Africa
B. Australia
C. Europe
D. Asia
E. None of these
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