Quiz – Biology pt1-Lhr-ch13 – Gas Exchange

In earthworm, exchange of gases occur mainly through

The respiratory system is most efficient in:

Organ of voice in birds is called _____________

A process in which ribulose bisphosphate / carboxylase / oxygen as e (rubisco) fixes oxygen instead of carbon dioxide is called _____________

The respiratory organs in Fish are:

The complex cartilaginous structure at the upper end of the trachea is called:

The structure in the mouth that prevents food from entering the nasal cavities is the:

Pathway in which RuBP is converted into serine is called:

Blood contains oxygen per 100ml of blood when hemoglobin is 98% saturated

Total inside capacity of human lungs when fully inflated is ______ liter

The most efficient and highly modified for gas exchange in aquatic animals are _________

During photorespiration, glycine after its formation diffuses into

Breathing rate in man at rest is ____ times per minute

Lungs of birds have thin walled ducts called ____

Hemoglobin in man increases the oxygen carrying capacity of the blood to about ____ times

When oxygen tension is 115mm of mercury then hemoglobin saturation is ____

The number of air sacs in birds are ____

How much air is held in lungs when they are fully inflated in man?