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प्रश्न
In the soil, which nutrient is enriched by blue-green algae (cyanobacteria)?
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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
How is milk pasteurized?
Earlier people cooked their food in pressure cooker. __________
Food should not be purchased beyond the date of ______.
Give reason for the following.
Fresh milk is boiled before consumption while processed milk stored in packets can be consumed without boiling.
Why do we need to preserve food?
The synthetic preservatives do not delay microbial growth and do not keep the food safe for long-duration.
Why is food preserved?
What shall we do?
We need to protect foodstuffs from pests like rats, cockroaches, wall-lizards, etc.
Find the odd-man-out.
Find the odd-man-out.
