FSC Part 1 Biology Chapter 13 Gaseous Exchange Online Test

Biology Fsc Part 1 Chapter 13 Online Test

Sr. #	Questions	Answers Choice
1	How much air can lungs when they are fully inflated	5 liters 4 liters 3.5 liters 4.5 liters
2	Blood contains ______ oxygen per 100 ml of blood when haemoglobin is 98% saturated	19.6 ml 18.6 ml 16.6 ml 17.6 ml
3	Respiratory pigment present in muscles is called ______	Myoglobin Globin Haemoglobin Haemocyanin
4	The respiratory system is most efficient in ______	Man Bird Fish Snake
5	Air spaces between mesophyll cells of a leaf comprise ______ of the total volume	20% 30% 40% 50%