Question

Why is it necessary to set up a tube with boiled seeds on the investigation of co2 production in germinating seeds?

Answer 1

Answer:

The germinating seeds in the conical flask release CO2 during respiration, which is absorbed by the KOH solution kept in the small test tube. This creates a partial vacuum in the flask that forces the water up the delivery tube. Thus, it proves that germinating seeds produce carbon dioxide during respiration.