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प्रश्न
Use your brain power!
Think about all the foodstuffs obtained from the sea. Find more information and write ten lines about them.
उत्तर
- Many marine organisms inhabit seas. Some of these form our food.
- Various edible varieties of fish are caught from the seas.
- There are good-quality proteins and fatty acids in the fish. Therefore, it is a nutritive food.
- Shell fish varieties such as crabs, prawns, and lobsters are favourite food items worldwide Prawns are abundantly available in the Indian waters; therefore, we get lots of foreign exchange through the export of prawns.
- Bivalves, squids, and oysters are also eaten as delicacies.
- Algae from the seas are also eaten in the Asian countries, though not in India.
- Agar is the substance made from marine algae, which are used in jellies and puddings.
- Salt is made from the seawater.
- In some countries, potable water is made from the seawater by special processes.
- Young ones of prawns and fish are used for the aquaculture.
संबंधित प्रश्न
There are ten tube wells in a lane of fifty houses. What could be the long term impact on the water table?
Make a sketch showing groundwater and water table. Label it.
Define:
Sterilisation
Explain the harvesting of water.
What are the causes of floods and drought?
Tick (√) the correct alternative from the choice given for the following statement:
When the water vapour changes into tiny droplets of water near the ground, it is called
Tick (√) the correct alternative from the choice given for the following statement:
Chlorination of water is done
State whether the following statement is true or false. If false, write the correct statement.
Well water exists below the impervious rocky layers of earth.
______ is called saline water.
What is the source of water in each of the following?
Ground