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Chapter: Biology: Classification of Plants

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Fungi: Structure and Reproduction

Fungi: Structure and Reproduction
Fungi (Sing: Fungus) are non-green; there are no photosynthetic pigments in their body. They depend on dead organic substances or other living bodies for their food.

Fungi:

Fungi (Sing: Fungus) are non-green; there are no photosynthetic pigments in their body. They depend on dead organic substances or other living bodies for their food. A short description of Agaricus- a member of fungi is stated here:

 

Structure: Agaricus is a well discussedfungus. In BANGLA it is known as 'BANGER CHAATA' (Umbrella of frog). The main vegetative body of Agaricus is very thin, thread like and branched. In the vegetative cells there are Nuclei (PI. of Nucleus), granular protoplasm, oil drops and vacuoles. Colourless thread like vegetative body usually lies under the soil surface and spread there. At last they interwove to form a special organ and rise above the soil. This special organ above the soil is called the Fruit body, which also known as Basidiocarp. A mature fruit body or an umbrella like body is known as Mushroom. It consists of an expanded umbrella like top, called Pileus and a stalk or stem like portion called the Stipe. Gills are arranged at the ventral surface of the Pileus from where spores are born.

 


Reproduction: They reproduce by the formation of Basidiospores. Importance: Agaricus campestris is well cultivated in home and abroad. Theyare marketed as 'Mushroom' and are served as a delicious food in luxurious hotels. There are different kinds of valuable food ingredients in it. In the fields there may have poisonous Mushroom too. So without being certain one should not eat it.


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