Breathing and exchange of gases 1

site of gaseous exchange in tadpole is

• Skin,

• gills

• Lungs

• Buccopharyngeal cavity

Respiratory organ of insect

• Lungs

• Gills

• Trachea

• pulmonary Sac

Respiratory organ in frog are

• Lungs

• Gills

• Moist skin

• Buccal cavity

How many respire through gills

• cockroach

• Prawn

• spiders

• Fishes

• Frog

Respiration through skin is known as

• Branchial respiration

• cutaneous respiration

• Pulmonary respiration

• Tracheal respiration

A process by which intake Oxygen and expel out Co2 rich air is known as

• Respiration

• Inspiration

• Breathing

• Expiration

Earthworm respires through

• gills

• Lungs

• Moist cuticle

• tympanum

In which of the following animals respiration occurs without respiratory organ

• Frog

• Fish

• cockroach

• Earthworm

Animals having gills as respiratory organ

• Fishes

• Frog

• Aaquatic arthropod

• Human beings

• Mollusca

In how many organismsgaseous exchangebetween O2 and

CO2 occurs through general body surface

• sponges

• Tadpole

• coelenterates

• Rabbit

• Octopus