Investigating Aerobic Respiration

In the mung bean experiment, what is the control group?

• Living (soaked) beans

• Temperature

• Humidity

• Boiled beans

What is the independent variable in the mung bean experiment?

• Time (hrs)

• Heat (degrees Celsius)

• Time (minutes)

• Heat (degrees Fahrenheit)

Why are the cotton wool and flasks used in the mung bean experiment?

• To hold the thermometer in place

• To insulate the mung beans (stop heat loss to the environment)

• To hold in CO2

• To collect H2O

Fill in the blank:

Glucose + ______ ----> Carbon Dioxide + Water + Energy (ATP)

Why do we spray disinfectant on the boiled beans? (you may select one or more answers from below)

• To stop them from smelling bad

• To prevent decomposers from breaking them down and respiring

• To prevent COVID-19

• To make sure that there is no heat change in the control group