Science Form 3 Chapter 3 (Transportation)

Which shows the correct pathway of oxygenated blood entering and leaving the heart?

• Pulmonary vein > left atrium > left ventricle > aorta

• Pulmonary vein > left atrium > right ventricle > aorta

• Vena cava > right atrium > right ventricle > pulmonary artery

• Vena cava > right atrium > left ventricle > pulmonary artery

Which shows the correct pathway of deoxygenated blood entering and leaving the heart?

• Vena cava > right atrium > right ventricle > pulmonary artery

• Vena cava > right atrium > left ventricle > pulmonary artery

• Vena cava > right atrium > right ventricle > pulmonary vein

• Vena cava > left atrium > left ventricle > pulmonary artery

What is the function of valves in heart?

• To prevent the backflow of blood in the chambers.

• To allow the backflow of blood in the heart.

• To initiate the flow of the blood in the heart.

When photosynthesis takes place during the day, stomata will...

• open

• close

• static

• hot

Figure below shows one type of blood cell. What is the name of the blood cells and its function?

• Red blood cell , Transport food

• White blood cell , Transport food

• Red blood cell, Transport oxygen

• White blood cell, Transport oxygen

Tags

NGSS.MS-LS1-3

What is the function of a white blood cell?

• It helps repair wounds.

• It helps in the clotting of blood.

• It protects the body against diseases.

• It carries oxygen to all parts of the body.

Tags

NGSS.MS-LS1-3

What is the function of a platelets?

• It helps repair wounds.

• It helps in the clotting of blood.

• It protects the body against diseases.

• It carries oxygen to all parts of the body.

What does xylem transport?

• Water and minerals

• Water only

• Sugar

• Food

Tags

NGSS.K-LS1-1

What does phloem transport?

• Water

• Minerals

• Fruit

• Sugar

Which blood vessels carry blood with oxygen and nutrients away from the heart to the cells?

• stomach

• arteries

• veins

• capillaries