Year 10 Science Showcase

1. What are the products of aerobic respiration?

• carbon dioxide and oxygen

• carbon dioxide and water

• glucose and oxygen

• glucose and water

The products of anaerobic respiration are ...............

• ethanol and carbon dioxide in plant

• ethanol and carbon dioxide in animal

• ethanol only in plant

• ethanol only in animal

Which parts are involved during human gas exchange?

• nose, ear, foot

• nose, eyes, tongue

• nose, skin, lungs

• nose, trachea, lungs

The correct percentage of oxygen gas in inspired air is...........

• 4%

• 16%

• 20%

• 78%

The correct percentage of carbon dioxide gas in expired air is...........

• 78%

• 16%

• 4%

• 0.03%

What are the three types of blood vessels?

• arteries, veins, capillaries

• red blood cells, white blood cells, plasma

• trachea, bronchus, bronchioles

• heart, liver, lungs

Which part of the heart separates deoxygenated blood from oxygenated blood?

• ventricle

• septum

• aorta

• atrium

Which blood vessel has the thickest muscular wall?

• capillary

• artery

• vein

• valve

Which one is not the main components of blood?

• enzyme

• red blood cells

• plasma

• platelets

Which parts are involved during pulmonary blood circulation?

• heart, stomach

• heart, nose

• heart, liver

• heart, lungs