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WorksheetsBIOLOGY FORM4 CHAPTER 8: RESPIRATION SYSTEM IN HUMAN AND ANIMALS
Total questions: 15
Worksheet time: 5mins
What is the adaptation of the lungs of the frog for gaseous exchange?
Thin and flat
Thin and moist
Smooth surface and dry
Large surface and moist
Which of the following is the correct sequence of the pathway of oxygen entering the tracheal system?
Spiracles, trachea, tracheol, body cells
Trachea, spiracles, tracheol, body cells
Tracheol, trachea, spiracles, body cells
Body cells, trachea, tracheol, spiracles
Asthma is one of the diseases related to the human respiratory system. What is cause of asthma?
Bronchiole tube becomes smaller
Alveolus loses its elasticity
Bronchiole tube is blocked
Alveolus wall is damaged
What happens to the external intercostal muscle of human during inhalation?
Relax and become dome shaped
Contract and become dome shaped
Contract and flatten
Relax and flatten
What structure in the respiratory system of the fish increases the surface area for gaseous exchange?
Gill arch
Filament
Operculum
Base of the mouth
Which of the following structures is the main site of gas exchange in humans?
Trachea
Bronchus
Alveolus
Diaphgram
During inhalation, the diaphragm ________.
Relaxes and moves downward
Contracts and moves upward
Relaxes and moves upward
Contracts and moves downward
Which of the following animals uses spiracles for respiration?
Fish
Grasshopper
Earthworm
Frog
In fish, gaseous exchange occurs in the?
Skin
Gills
Trachea
Lungs
Which of the following statements about frogs is correct?
Frogs can only breathe through lungs
Frogs breathe using gills as adults
Frogs can breathe through the mouth and lungs
Frogs breathe using spiracle
What is the function of the diaphragm?
To transport oxygen
To filter dust
To moisten inhaled air
To control air pressure in the lungs
What causes air to enter the lungs during inhalation?
Decrease in air pressure in lungs
Increase in air pressure in lungs
Decrease in lung volume
Contraction of the heart
Earthworms breathe through …
Spiracles
Skin
Gills
Lungs
Which statement about respiration in animals is correct?
All animals use lungs to breathe
Only aquatic animals need oxygen
Different animals have different respiratory structures
All animals respire through gills
Why is respiration important for all living organisms?
To produce light for photosynthesis
To remove nitrogen from the body
To increase body temperature
To obtain energy for life processes
