Advertisements
Advertisements
प्रश्न
Give a scientific reason.
Why it is necessary to ban the use of plastic bags?
उत्तर
- Plastic is a major polluter in today's world. Micro-organisms cannot degrade it either.
- It decreases soil fertility. It overflows rivers, seas, and gutters. This could also result in a flood.
As a result, plastic must be banned.
APPEARS IN
संबंधित प्रश्न
The bread or idli dough rises because of ______.
“Solving the problem of pollution is an effective way of environmental management” Justify the statement.
Rewrite the following statement using correct of the option and explain the completed statement.
Chemically, vinegar is -- -- --.
Give reasons.
Bread 'rises' during baking.
____________ acid is used in the production of vitamins.
________ is a substance obtained by microbial processing that functions as an artificial sweetener.
Find an odd one out.
Vinegar means 4% ___________.
Saccharomyces cerevisiae : Ethanol : : Aspergillus oryzae : ________________
Which microbes convert uranium to its insoluble salts?
Give scientific reason.
Probiotics have got more importance in recent times.
Give scientific reason.
The landfill pit is lined with plastic sheets.
Write a short note.
Bio-fuels
Explain – Importance of microbes in sewage (water) treatment in cities.
Observe the figure and write the answers to the questions asked.
- Write the name of the fungus in the figure above.
- What is the source of these fungi?
- Which organic acid obtained from this organism is used in commercial production?
In the process of making bread the carbohydrates in the flour are fermented by baker's yeast and sugar is transformed into carbon dioxide and ______.
Find odd one out:
______ bacteria is used for industrial production of yogurt.
Complete the following chart: