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Meghna Thapar 4 years, 5 months ago
Test for protein:
- Take 2 ml of the given food-stuff solution in a test tube.
- Add a little of dilute sodium hydroxide solution till the mixture clears.
- Then add 2 to 3 drops of copper sulphate solution and shake well.
- If a violet colour appears in the solution, then protein is present in the given food-stuff.Note: If the food item to be tested is in solid form, then a powder or a paste is made by grinding it and adding few drops of water in a test tube. Afterwards, the test tube is made to shake well to form a solution or suspension.
Posted by Addhira Arun 4 years, 6 months ago
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Yogita Ingle 4 years, 6 months ago
Natural resources are the raw materials supplied by the earth and its processes and include things in the physical environment used for housing, clothing, heating, cooling, transportation and to meet other human wants and needs. Common uses of natural resources are everywhere.
Posted by Yogita Patel 4 years, 6 months ago
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Yogita Ingle 4 years, 6 months ago
Y will be replaced with prop roots because they provide extra support to the horizontal branches of trees such as banyan.
Posted by Deepa Kumar 4 years, 6 months ago
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Meghna Thapar 4 years, 6 months ago
i. Scurvy: It is caused due to the deficiency of vitamin C. Symptoms of scurvy includes:
- Bleeding from gums
- Loosening of teeth
- Wounds do not heal easily.
- Rickets: Rickets is caused due to the deficiency of vitamin D. The main symptoms of this disease are bow legs (bent legs) and a pigeon type chest.
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The sources of food are broadly classified into two groups, plants and animals and their related products.
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Posted by Anil Sharma 4 years, 6 months ago
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Meghna Thapar 4 years, 6 months ago
Iron-deficiency anemia is the most common type, but low levels of folate or vitamin B-12 can also cause the condition, and a low vitamin C intake can contribute to it.
Causes of anemia
- Iron deficiency anemia. This most common type of anemia is caused by a shortage of iron in your body. ...
- Vitamin deficiency anemia. ...
- Anemia of inflammation. ...
- Aplastic anemia. ...
- Anemias associated with bone marrow disease. ...
- Hemolytic anemias. ...
- Sickle cell anemia.
Posted by Gurusidhappa Honrao 4 years, 6 months ago
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Gaurav Seth 4 years, 6 months ago
Biology is the science that studies life, and living things, and the evolution of life. Living things include animals, plants, fungi (such as mushrooms), and microorganisms such as bacteria and archaea.
People who study biology are called biologists. Biology looks at how animals and other living things behave and work, and what they are like. Biology also studies how organisms react with each other and the environment.
Posted by Rita Anish 4 years, 6 months ago
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Yogita Ingle 4 years, 6 months ago
The organisms need to take food to build their bodies, to grow, to repair damaged part of their bodies and to obtain the energy to carry out life processes. Food provide resistance to fight against diseases and protection from different infections.
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Yogita Ingle 4 years, 6 months ago
Our food contains mainly five major kinds of nutrients namely vitamins, minerals, carbohydrates, proteins and fats. Additionally, food also contains water and dietary fibres/roughage and water which are also required by our bodies.
Posted by Anil Kumar 4 years, 6 months ago
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Yogita Ingle 4 years, 6 months ago
Stars: Stars are very big and hot celestial bodies made up of gases.
They have their own heat and light, which they emit in large amounts.
Planets: Planets are celestial bodies, usually smaller than stars.
They do not have their own heat and light. They are lit by the light of stars
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Yogita Ingle 4 years, 6 months ago
Natural fibres are the fibres that are obtained from plants, animals or mineral sources. Some of the examples are cotton, silk, wool etc. Natural fibres can again be divided into two types based on their source i.e. plants and animals.
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Mokshit Mrinal Sen 4 years, 6 months ago
2Thank You