Factors responsible for the rapid spread of bread mould on slices of bread are.I. large number of spores.II. availability of moisture and nutrients in bread.III. presence of tubular branched hyphae.IV formation of round-shaped sporangia.I and IIIII and IVI and IIIII and IV
Question
Factors responsible for the rapid spread of bread mould on slices of bread are.I. large number of spores.II. availability of moisture and nutrients in bread.III. presence of tubular branched hyphae.IV formation of round-shaped sporangia.I and IIIII and IVI and IIIII and IV
Solution
The factors responsible for the rapid spread of bread mould on slices of bread are:
I. Large number of spores: Moulds reproduce by releasing a large number of spores into the air. These spores are very light and can easily spread to different areas, including the surface of bread. Once they land on a suitable substrate, such as a slice of bread, they can start to grow and spread rapidly.
II. Availability of moisture and nutrients in bread: Moulds need moisture and nutrients to grow. Bread provides an excellent source of these requirements. The moisture content in bread allows the spores to germinate, while the nutrients in the bread provide the necessary energy for growth and reproduction.
III. Presence of tubular branched hyphae: The body of a mould is made up of tubular, branched structures called hyphae. These hyphae grow and spread over the surface of the bread, absorbing nutrients and water. This allows the mould to spread rapidly over the surface of the bread.
IV. Formation of round-shaped sporangia: Sporangia are structures in which spores are produced. The formation of sporangia allows the mould to produce and release a large number of spores, which can then spread to other areas and start new colonies.
So, the correct answer is I and II and III and IV. All these factors contribute to the rapid spread of bread mould on slices of bread.
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