Question

Given below is an experimental setup of demonstrate a particular tropic movement in germinating seeds​

Answer 1

Answer:

Aim:

To show that heat is given out during the germination of seeds.

Apparatus required:

• Thermos flask, thermometer, cork and moist germinating seeds.

Procedure:

• Take a thermos flask and put some germinating seeds in it.

• Insert a thermometer in the flask and seal its mouths with the cork.

• Note the initial temperature.

• Again, note the temperature after two days.

• It is observed that the temperature in the flask rises due to the heat produced during the germination of seeds.

• While undergoing germination the seeds respire vigorously and produce large amounts of heat.

Conclusion:

• It can be concluded that heat evolved during the germination of seeds.