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प्रश्न
In the soil, which nutrient is enriched by blue-green algae (cyanobacteria)?
उत्तर
Nitrogen fixing bacteria that are known as cyanobacteria enriches nitrogen and changes it into nitrites and nitrates and then the nitrogen transforms into blue-green algae.
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संबंधित प्रश्न
Which methods of food preservation would you use?
Earlier people cooked their food in pressure cooker. __________
World Hunger Day is observed on _____.
What is the purpose of food preservation?
Give reason for the following.
Fresh milk is boiled before consumption while processed milk is stored in packets and can be consumed without boiling.
The addition of oil in pickles prevents the contact of air with the pickle.
Dried Neem leaves and turmeric are used to store food grains in our home to protect the grain from insects and Beetles.
What shall we do?
A ‘pani-puriwala’ is serving the panipuri with dirty hands.
Explain why this happens and suggest possible remedies.
Cut fruits have turned black.
Give reason.
Nowadays, food is served buffet style during large gatherings.
