If a fish is taken out of water,it dies immediately because...
- AIt cannot breathe due to the collapse of the gills.
- BRapid evaporation occurs from its skin.
- CIts body absorbs too much oxygen.
- DNone of the above.
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Respiratory organs in aquatic arthropods like crayfish,prawn and molluscs like $Unio$ are
Medium
View SolutionIn which animal,does the diaphragm have no role in respiration?
Match the organism in Column-$I$ with the respiratory surface in Column-$II$.Column-$I$ Column-$II$ $i$. Planaria $a$. Book gills $ii$. Limulus $b$. External gills $iii$. Turtles $c$. Body surface $iv$. Amphibian tadpoles $d$. Cloaca
| Column-$I$ | Column-$II$ |
| $i$. Planaria | $a$. Book gills |
| $ii$. Limulus | $b$. External gills |
| $iii$. Turtles | $c$. Body surface |
| $iv$. Amphibian tadpoles | $d$. Cloaca |
Given below are four matchings of an animal and its kind of respiratory organ:
$1.$ Silver fish - trachea
$2.$ Scorpion - book lung
$3.$ Sea squirt - pharyngeal gills
$4.$ Dolphin - skin
Choose the correct option.
$1.$ Silver fish - trachea
$2.$ Scorpion - book lung
$3.$ Sea squirt - pharyngeal gills
$4.$ Dolphin - skin
Choose the correct option.
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View Solution$A$ : The lungs of birds are provided with air sacs.
$R$ : Air sacs supplement respiration.
$R$ : Air sacs supplement respiration.
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