Unit 1: Respiration

Which part of the respiratory system does gas exchange occur?

• bronchi

• windpipe

• trachea

• alveoli

Which protein carries oxygen in the blood?

• hemoglobin

• chlorophyll

• cystein

• cytosin

Which blood vessel do gas exchange occur?

• artery

• vein

• capillary

What do we call the process of gas exchange in the alveoli?

• osmosis

• transpiration

• respiration

• diffusion

Which solution is used to test the presence of carbon dioxide?

• sodium chloride

• calcium oxide

• calcium carbonate

• sodium oxide

Which gas is produced during respiration?

• oxygen

• carbon monoxide

• carbon dioxide

• nitrogen

what are the starting materials for cellular respiration?

• carbon dioxide and water

• glucose and oxygen

• oxygen and carbon dioxide

• glucose and water

Which organelle is the site for respiration?

• mitochondria

• vacoule

• ribosome

• chlorophyll

Which statement is correct?

• all living cells respire

• Only animal cells respire

• Only plant cells, respire

Which statement is correct

• Expired air contains only carbon dioxide

• Expired air contains more carbon dioxide than inspired air

• Expired air contains more oxygen than inspired air