Question

A slice of bread was moistened with water and was left under warm conditions for 2-3 days . A greenish black coloured growth appeared on the bread under the microscope these appeared as thread - like structures . (a) What is greenish - black coloured growth that appeared on bread​

Answer 1

Answer:

The greenish-black colored growth that appeared on the bread is likely to be mold.

Explanation:

Mold is a type of fungi that grows on organic materials and is often found in warm, moist environments. Mold reproduces by producing spores, which are small, lightweight cells that are capable of dispersing through the air and germinating on new surfaces.

Under the microscope, mold appears as thread-like structures called hyphae. These hyphae are made up of long, slender cells that are connected end to end and form a branching network. The hyphae grow and spread through the substrate, secreting enzymes that digest the organic material and providing the mold with nutrients.

Mold can be harmful to humans if inhaled, as it can cause allergic reactions and respiratory problems. It is important to keep food and other organic materials dry and to store them in a cool, well-ventilated place to prevent the growth of mold.

In summary, the greenish-black colored growth that appeared on the bread is likely to be mold, a type of fungi that grows on organic materials and reproduces by producing spores. Under the microscope, mold appears as thread-like structures called hyphae. Mold can be harmful to humans if inhaled, and it is important to prevent its growth by keeping food and other organic materials dry and stored in a cool, well-ventilated place.