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GASEOUS EXCHANGE IN ANIMALS

Total questions: 10

Worksheet time: 2mins

Name
Class
Date
1.

Which of the following is not true about respiratory surfaces.

a)

They are elastic for faster diffusion

b)

They are moist to dissolve respiratory gases.

c)

They are highly vascularized to create a concentration gradient.

2.

Identify the respiratory structures of the specimen shown

a)

Operculum

b)

Gills

c)

Scales

d)

Skin

3.

Which of the following have gills as a respiratory structure?

a)
b)
c)
d)
4.

Identify the structure

a)

Gill filaments

b)

Gill rakers

c)

Gill bar

d)

Gill

5.

Name the respiratory structure of Amoeba

a)

Cell wall

b)

Buccal cavity

c)

Cell

d)

Cell membrane

6.

Name the respiratory structure of may fly larvae

a)

Trachea

b)

repiratory siphon

c)

Tracheal gills

d)

Plastron

7.

Identify part b

a)

Gill rakers

b)

Gill filaments

c)

Gill filament

d)

Gill raker

8.

Name part e

a)

Gill bar

b)

Gill filaments

c)

Gill rakers

d)

Gill raker

9.

Name part m

a)

Gill filament

b)

Gill filaments

c)

Gill bar

d)

Gill rakers

10.

Name the mechanism shown in the illustration shown

a)

Respiration

b)

Ventilation

c)

Gaseous exchange

d)

Counter current flow