P4 Final Revision Science

Processes A and B occur in green palnts. The symbol ^√ means it takes place while x means it doesn't take place. What process do A and B represent?

• respiration and photosynthesis

• photosynthesis and respiration

• transpiration and photosynthesis

• translocation and transpiration

Which statement about the nose is correct?

• a. The nose connects the windpipe to the lungs.

• b. Air that enters the nose is changed by the hair in the nostrils.

• c. Gaseous exchange of oxygen and carbon dioxide occurs in the nose.

• d. Air enters the human body through the nose and leaves through the mouth.

The plant tissue that carries food materials DOWNWARD from the leaves to the rest of the plant is the ______.

• a. stomata

• b. phloem

• chlorophyll

• xylem

Which of these is a common risk factor for heart disease?

• a. having a low blood pressure

• b. being overweight

• c. exercising regulary

• d. eating unhealthy food regulary

Which type of blood vessel has a "pulse"?

• a. artery

• b. pulmonary artery

• c. vein

• d. capillary

Which type of blood vessel has valves inside?

• a. artery

• b. Vena cava

• c. vein

• d. capillary

Which type of blood vessel carries blood away from the heart?

• a. pulmonary vein

• b. pulmonary arteries

• c. aorta

• d. vena cava

Study the concept map and answer the question. What is the product of process M?

• a. water and oxygen

• b. glucose and carbon dioxide

• c. energy and carbon dioxide

• d. oxygen and glucose

Why does the blood turn dark red as it circulates through the body?

• a. It starts to clot.

• b. It gets old and dirty flowing through the body.

• c. The oxygen in it is replaced with carbon dioxide.

• d. The farther blood is from the heart, the darker red it is.

When you exercise, your heart pumps faster so that it can ______.

• a. A and C only

• b. B and D only

• c. A, C, and D only

• d. A, B, C and D