Form 3 Science - Revision

What food substance is made by plants during photosynthesis?

• Carbon dioxide

• Glucose

• Granulated sugar

• Oxygen

Where is chlorophyll found in plants?

• Leaves

• Root

• Flower

• Stem

The factory or storehouse of the plant is the

• flower

• root

• stem

• leaves

Which are the vascular tissues in plants that are responsible for transporting substance around the plant? Select all that apply.

• Leaves

• Xylem

• Roots

• Phloem

Water and minerals move upward from the root to the rest of the plant in this vascular tissue.

• Root

• Xylem

• Leaves

• Phloem

This vascular tissue carries substances from the leaves to the other parts of the plant.

• Phloem

• Leaves

• Roots

• Xylem

The diagram shows the front view of a human heart.

Letters P, Q, R and S indicate the different chambers of the heart.

Which of the following shows the sequence in which a blood cell returning from other parts of the body passes through the four chambers of the heart?

• R-S-P-Q

• Q-S-R-P

• P-R-Q-S

• S-R-P-Q

The bar chart shows the concentration of oxygen in blood sampled at four places in the circulatory system of a human.

Which blood sample was taken from the pulmonary vein?

• A

• B

• C

• D

Identify the blood vessel labelled B.

• Aorta

• Pulmonary artery

• Pulmonary vein

• Vena cava

What is the function of the blood vessel labelled D?

• To transport blood from the heart to the lungs

• To transport blood from the heart to the rest of the body.

• To transport blood from the rest of the body to the heart.

• To transport blood from the lungs to the heart.