P16 - Investigating The Rate Of Respiration

Question 1

Describe The Process Of Investigating The Rate Of Respiration
(5 Points)

Answer 1

~ Run experiment on the test and control tube, for a set amount of time.

~ As the seeds consume oxygen, the volume of air in the test tube will decrease.

~ Reducing the pressure in the capillary tube, and the manometer fluid will move towards the test tube.

~ Measure the distance moved by the liquid.

~ Reset the apparatus and repeat, then calculate the average volume of oxygen consumed.

Question 2

What Does Potassium Hydroxide / Soda Lime Do?

Answer 2

Absorbs CO2.