Science form 3 objective questions

1. Erythrocytes also called.....

• White blood cells

• Red blood cells

• Plasma

• Platelets

Xylem use to transport......

• Food

• Oxygen

• Water & dissolved mineral

• Carbon dioxide

During inhalation, which is true?

• Rib cage moves up and out

• Diaphragm curves and moves upwards

• Thoracic cavity becomes smaller

• Air pressure in the lungs increase

Gases like oxygen and carbon dioxide passes through the wall of the alveolus through the process of...

• Photosynthesis

• Transpiration

• Diffusion

• Respiration

The red blood cells are rich with substances called...

• Plasma

• Haemoglobin

• Carbon dioxide

• Nitrogen