Name: Plant Biology - Photosynthesis & Respiration
Uploaded: 2019-07-19
Duration: 3 min 29 s
Description: Learn the basics of Photosynthesis and respiration. What is Photosynthesis? How do plants make their food? Find out more in this video!

Question

Describe an experiment to show that germinating seeds produce heat during respiration.

Accepted Answer

Aim: Experiment demonstrating the fact that germinating seeds produce heat.

Procedure:
1) Name two thermo flasks as ‘A’ and ‘B’, keep them aside.
2) Take about 200 pea seeds and Soak them in water for more than 24 hours.
3) Split the seeds into two equal groups approximately.
4) Kill one group of seeds by boiling them and washing them with dilute formalin in order to restrict bacterial decay.
The live germinating seeds need to be placed in flask A and the boiled/killed seeds in flask B.
5) Insert a thermometer into each of the flasks and seal their mouths with cotton wool.
6) Take note of the initial reading observed in the thermometer.
Inference:
A few hours later, thermometer in the flask A shows a higher reading depicting that the seeds that germinate generate heat.
There will not be any rise in the temperature of Flask B.

Describe an experiment to show that germinating seeds produce heat during respiration.

Important Questions on Respiration in Plants

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