3.
4. What causes scurvy? What are its symptoms?
5. Why must babies and children be exposed to sunlight?
6. What happens when a person does not eat a balanced diet?
Answer in about four to five sentences.
1. Why does the body need a regular supply of clean water?
2. Explain the importance of the following vitamins and the foods
they can be obtained.
i. vitamin A ii. vitamin B complex iii. vitamin C iv
3. How is the presence of starch detected in foods?
4. How are the following minerals useful to the body?
i. calcium ii. iron
iii. potassium i
5. List three cooking practices which can lead to the loss of nut
in food.
Answers
Answer:
4. Scurvy is a disease caused by severe and chronic vitamin C deficiency.
Symptoms may not occur for a few months after a person's dietary intake of vitamin C drops too low. Bruising, bleeding gums, weakness, fatigue and rash are among scurvy symptoms.
5. When your child is exposed to sunlight, it helps his body synthesize vitamin D in the skin. And it doesn't take much time in the sun to produce adequate amounts of vitamin D.
6. In the short term, poor nutrition can contribute to stress, tiredness and our capacity to work, and over time, it can contribute to the risk of developing some illnesses and other health problems such as: being overweight or obese. tooth decay. high blood pressure.
1. Additionally, water helps maintain organ health and allows the blood to maintain the consistency it requires to flow freely and transport oxygen and nutrients to every cell of the body. ... Clean water is essential not only to remain safe from disease but also to maintain good health.
2. i. Vitamin A is important for normal vision, the immune system, and reproduction. Vitamin A also helps the heart, lungs, kidneys, and other organs work properly.
ii. B vitamins play a vital role in maintaining good health and well-being. As the building blocks of a healthy body, B vitamins have a direct impact on your energy levels, brain function, and cell metabolism.
iii. Vitamin C, also known as ascorbic acid, is necessary for the growth, development and repair of all body tissues. It's involved in many body functions, including formation of collagen, absorption of iron, the proper functioning of the immune system, wound healing, and the maintenance of cartilage, bones, and teeth.
3. Take small quantity of the food items to be tested. Put 2-3 drops of iodine solution on it. Observe the colour of the food item. Blue-black colour indicates the presence of starch in the tested food item.
4. i. Calcium is a mineral found in many foods. Almost all calcium is stored in bones and teeth to help make and keep them strong. Your body needs calcium to help muscles and blood vessels contract and expand, and to send messages through the nervous system.
ii. Iron is a part of hemoglobin, a protein that transports oxygen from the lungs to the tissues. It helps provide oxygen to muscles. Iron is important for cell growth, development, and normal body functions. Iron also helps the body make some hormones and connective tissue.
iii. Potassium is a mineral that your cells, nerves, and muscles need to function properly. It helps your body regulate your blood pressure, heart rhythm and the water content in cells. It also helps with digestion.
5. Microwaving, frying, boiling, are the pre cooking practices which led to the loss of nutrients in food materials. The nutrients in vegetables and fruits are concentrated just below the skin, so peeling before boiling increases the loss of Vitamin C, Folic Acid and other B vitamins.
Explanation:
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