COTYLEDONS || The leaf too has to say || Class - 4 || EVS || Whiteboardweb.blogspot

 

 

 

 

 

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* From where did the radicle and the plumule get food to germinate?

 

 

 

The food required for a seed to germinate, is stored in the cotyledons.The plant grows using the food in the cotyledons till it prepares its own food.

 

 

 

*What are cotyledons?

 

 

 

The thick leaf - like part seen in the plumule of the germinating  seed is the cotyledons.

 

 

 

 

*Why did the cotyledons shrink and decrease in size as the plant grows?

 

 

The plant uses the food in the cotyledons till it prepares its own food.So the cotyledons shrink and decrease in size as the plant grows.

 

 

*What are called monocotyledonous plants(monocots)?

 

 

Plants having only one cotyledon are called monocotyledonous plants or monocots.

 

 

Example - Paddy grain,Coconut tree

 

 

*What are called dicotyledons plants(dicots)?

 

 

Plants having two cotyledons are called dicotyledonous plants or dicots. 

 

Example - Pea, Mango tree  

 

 

 

 

Create a table showing the root system,venation and number of cotyledons of plants.

 

 

 

 

വിത്ത് മുളയ്‌ക്കുന്നതിന്റെ വിവിധ ഘട്ടങ്ങൾ  കാണാം 

 

 

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