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11 questions
1
Respritory System
Easy
+1.0
-0.33
Mammals respire by :
2
Respritory System
Easy
+1.0
-0.33
The amount of which of the following components in the air does not change in the process of respiration?
3
Respritory System
Easy
+1.0
-0.33
Oxygen transportation in a human body takes place through: Blood, Lungs, Tissue. The correct sequence of transportation is:
4
Respritory System
Easy
+1.0
-0.33
Site of gaseous exchange in lungs is:
5
Respritory System
Easy
+1.0
-0.33
When there is a decrease in the concentration of oxygen in the blood, the rate of breathing:
6
Respritory System
Easy
+1.0
-0.33
Carbon monoxide poisoning affects mainly which one of the following?
7
Respritory System
Easy
+1.0
-0.33
Which one of the following biotransformations provides maximum energy for the human body?
8
Respritory System
Easy
+1.0
-0.33
During respiration energy is produced in the form of:
9
Respritory System
Easy
+1.0
-0.33
The complete conversion of glucose, in the presence of oxygen, into carbon dioxide and water with release of energy is called:
10
Respritory System
Easy
+1.0
-0.33
Which of the following statements is/are true in reference to break-down of glucose? (i) In cytoplasm, glucose breaks down into pyruvate which has four carbon molecules. (ii) Due to lack of oxygen, pyruvate gets converted to lactic acid. (iii) In absence of oxygen, pyruvate gets converted to carbon dioxide and ethanol.