Homeostasis Review Questions

An increase in the rate of photosynthesis will

• make more oxygen

• make more glucose

• increase the rate of respiration

• all of the above

Gas exchange in humans

• takes place in the alveoli

• involves diffusion

• moves CO2 into the lungs

• Moves O2 into the blood

• All of the above

Which of the following is true?

• blood entering the lungs has high oxygen and low CO2

• blood entering the lungs has high carbon dioxide and low oxygen

• blood entering the lungs has both high oxygen and CO2

• blood entering the lungs has low oxygen and CO2

Which of the following is true about blood leaving the lungs?

• has low carbon dioxide and high oxygen

• has high carbon dioxide and low oxygen

• has high carbon dioxide and oxygen

• has low carbon dioxide and oxygen

When humans respire (breath) what is expelled (released from lungs)?

• Oxygen

• Carbon Dioxide

Photosynthesis and Cellular Respiration are...

• part of the nitrogen cycle, proteins and nucleic acids contain nitrogen

• part of the nitrogen cycle, glucose and carbon dioxide contain nitrogen

• part of the carbon cycle, proteins and nucleic acids contain nitrogen

• part of the carbon cycle, glucose and carbon dioxide contain carbon

Where does photosynthesis take place

• mitochondria

• nucleus

• ribosome

• chloroplast

Where does cellular respiration take place?

• chloroplast

• ribosome

• mitochondria

• nucleus

Cellular Respiration

• occurs in plants/algae

• occurs in animals

• occurs in both plants/algae and animals

Photosynthesis makes...

• glucose and oxygen

• glucose and carbon dioxide

• oxygen and ATP

• carbon dioxide and ATP