Advertisements
Advertisements
प्रश्न
Paheli watched grandmother making mango pickle. After she bottled the pickle, her grandmother poured oil on top of the pickle before closing the lid. Paheli wanted to know why oil was poured? Can you help her understand why?
उत्तर
The oil poured on the pickle forms a barrier between the pickle and air. This prevents the bacteria present in air from entering jar and attacking the pickle and spoiling it. Thus, increasing the shelf life of pickles.
APPEARS IN
संबंधित प्रश्न
Can microorganisms be seen with the naked eye? If not, how can they be seen?
What are the major groups of microorganisms?
Which precautions are necessary for proper decomposition of domestic waste?
Observe the following figure and answer the questions :
- Identify the process shown in the figure.
- Explain the process in short.
Write the characteristics of viruses.
Who am I?
I am green, but don't have organs.
What are the main features of a microorganism?
Name the four major groups of Microbes.
The major constituent of vinegar is ______.
Name the scientist who first discovered the penicillin antibiotic. Can you name any other known antibiotic?
