1Food is prevented from entering into the Larynx by:aGlottisbEpiglottiscVocal cardsdInternal nostrilsShow answer
2The correct order of the structures involved in the flew of air in the human body is:aPharynx ⟶ Trachea ⟶ Larynx ⟶ Bronchi ⟶ BronchiolesbLarynx ⟶ Pharynx ⟶ Trachea ⟶ Bronchioles ⟶ BronchicTrachea ⟶ Pharynx ⟶ Larynx ⟶ Bronchi ⟶ BronchiolesdPharynx ⟶ Larynx ⟶ Trachea ⟶ Bronchi ⟶ BronchiolesShow answer
4High fever, cold and cough with sputum production are symptoms of:aEmphysemabAsthmacPneumoniadBronchitisShow answer
6The chest cavity is separated from the abdominal cavity by a muscle called:aLarynxbTracheacBronchusdDiaphragmShow answer
7In which disease are the walls of the alveoli are broken?aPneumoniabBronchitiscEmphysemadAsthmaShow answer
8The diaphragm is flat, the ribs move out, this occurs during:aExpirationbInspirationcLungs expansiondBreathingShow answer
9Oxygen from the lungs enter into the blood due to:aDiffusionbLess affinity of O2 for aircHigher affinity of CO2 for airdOsmosisShow answer
10Which part of the air passageway is also called the windpipe?aBronchusbAlveoluscLarynxdTracheaShow answer
11Most of the gaseous exchange in a leaf occurs through.aStomatabGeneralcCuticledLenticelsShow answer
14Which structure actively helps in taking the air out of lungs?aNasal cavitybBronchuscBronchioledDiaphragmShow answer
15A disease involving the breakdown of air sacs of the lungs is:aPneumoniabBronchitiscAsthmadEmphysemaShow answer
17In humans and other higher animals, the exchange of gases is carried out by:aSkinbRespiratory surfacecAir passagewaydLungsShow answer
19C-shaped cartilaginous rings are present in the wall of:aBronchibBronchiolescAlveolidTracheaShow answer