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Chapter: Biology: Physiological Activities in Plants Nutrition

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Experiment to prove that Heat is evolved during Respiration

Experiment to prove that Heat is evolved during Respiration
Requirements: One Thermo flask, some germinating Gram seeds and athermometer.

Experiment to prove that Heat is evolved during Respiration

Requirements:  One Thermo flask, some germinating Gram seeds and  athermometer.              


Procedure: Some germinating gram seeds are taken in the Thermo flask and closed its mouth tightly with a cork. A thermometer is introduced through the cork so that its bulb rests among the gram seeds. Note themercury reading of the thermometer.

Observation:  After some  time  an  increase  in  theobserved.

Conclusion: Rise of mercury indicates the rise of temperature. And thistemperature is produced by the respiration of the germinating seeds.

 


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