1.

               Heart enoveld during respirationa) What is the aim of this experiment?b) What change do you observe in thermometer readings?c) In your opinion, where did this heat come from?d) What precaution should we take, while doing this experiment?

Answer»

a) Heat is liberated during respiration.

b) Reading increases in the thermometer.

c) The heat comes from the germinating seeds which respire and releasing heat.

d) The bulb of the thermometer should be dip in the germinating seeds (or) sprouts.



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