The process of exchange of O2 from the atmosphere with CO2 produced by the cell is called
[A] cellular respiration
The harmful gas produced by catabolic reaction in our body is
[B] carbon dioxide
Oxygen (O2) is utilized by the organisms to ______ break down nutrient molecules like glucose and to derive energy for performing various activities.
[D] any of the these
Mechanisms of breathing vary among different groups of animals depending mainly on their _____ and ______.
[B] levels of organization
[C] both (a) and (b)
In which of the following, gaseous exchange between O2 and CO2 occurs through the entire body surface?
Select the total number of organism from the following which respire through their body surface.
Sycon, Spongilla, Admsia, Taenia, Laccifer, Pila, Antedon, Gorgonia, Jelly fish
In which of the following skin serves as an accessory organ of respiration?
Match the following:
Animals —-Respiratory Organs
A. Earthworms — 1) Lungs
B. Aquatic arthropods/Molluscs – 2) Tracheal tubes
C. Insects – 3) Gills
D. Birds/ Reptiles/Mammals — 4) Moist cuticle
[A] A-2, B and C-3, D-2, E-4
[B] A-4, B and E-3, C-2, D-1
[C] A-A B and D-3, D-1, E-2
[D] A-3, B and D-1, C-2, E-A
Amphibians, e.g. frogs respire through
[A] moist skin
[C] Buccopharyhgeal cavity
The adult frog does not respire through
[A] buccopharyngeal cavity
Which is the correct sequence of the air passage in man?
[A] Nasal cavity —> pharynx —> trachea —> larynx —> bronchi —> bronchioles —> alveoli
[B] Nasal cavity —> pharynx —> larynx —> trachea —> bronchi —> bronchioles —> alveoli
[C] Nasal cavity -> larynx -> pharynx -> trachea -> bronchi -> bronchioles -> alveoli
[D] Nasal cavity —> larynx -> bronchi —> pharynx —> trachea —> bronchioles —> alveoli
In mammal, voice is produced by
[D] Inhalation and exhalation
Vocal cords occur in
[D] Bronchial tube
Trachea divides into right and left primary bronchi at ______ the thoracic vertebra.
Opening of larynx into pharynx is guarded by
[C] Tracheal valves