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प्रश्न
Give reasons.
A refrigerator is used in almost every home.
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उत्तर
A refrigerator is used in almost every home because it prevents the spoilage of food. Refrigerator provides an optimum environment for storage of vegetables, fruits, and cooked and uncooked food. If an optimum temperature is not provided, it can lead to the growth of bacteria and fungi, thus leading to spoilage of food.
संबंधित प्रश्न
Rewrite the following statement using the correct option and explain the completed statement.
Process of ______ of milk proteins occurs due to lactic acid.
Observe the following figure and answer the questions :

- Identify the process shown in the figure.
- Explain the process in short.
Draw a neat and labelled diagram.
Bacteriophage.
Arrange the following in ascending order of size Bacteria, Fungi, Viruses, Algae.
What are the main features of a microorganism?
Match the names of scientists given in Column A with the discovery made by them given in Column B.
| Column A | Column B |
| (a) Louis Pasteur | (i) Penicillin |
| (b) Robert Koch | (ii) Anthrax bacterium |
| (c) Edward Jenner | (iii) Fermentation |
| (d) Alexander Fleming | (iv) Small pox vaccine |
| (v) Typhoid |
The major constituent of vinegar is ______.
Name the scientist who first discovered the penicillin antibiotic. Can you name any other known antibiotic?
Which of the following best describes microorganisms based on their visibility to the human eye?
In what way do the four main parts of a cell work together to enable microorganisms to function as independent living units?
