Transpiration

                        Transpiration

  

Requirements : 

1 - Bottle 

2 - Oil

3 - Water

4 - Bled 

5 - Marker

6 - Leaf with petiole of Colocasia esculenta

Method : 

1 -  A leaf with petiole of Colocasia esculenta  cut from the plant .

2 - I filled a bottle with water.

3 - I dipped some part of petiole in bottled water.

4 - I put the oil on the top of the bottled water in such a way that a layer of the whole oil falls on the to.

5 - Then I put a mark on the bottled water.

Observation : 

After 10 hours it was noticed that the leaf was slightly bent and the water level in the bottle was slightly reduced. 

         Then I again marked the water level of the bottle .

Inference : 

It was seen that no part of the bottle was evaporated by it, only the leaf. 

      So, it proved that transpiration takes place through the leaves of plant .

            Experiment was done by , 

                                 Sk Amirul Rahaman

                                      Department of 

                                            Botany, PBC college, Roll number - 03, Reg No - 2018PBC00512 

                               

Leaf with petiole of Colocasia   esculenta  

Leaf with petiole of Colocasia  esculenta