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प्रश्न
Spot the following in the table of vitamins and minerals.
Causes and symptoms of night blindness, scurvy, rickets, beriberi.
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उत्तर
Causes and symptoms of night blindness, scurvy, rickets, beriberi are:
| Disease | Causes | Symptoms |
| Night blindness | Deficiency of Vitamin A | Inability to see in dim light |
| Scurvy | Deficiency of Vitamin C | Bleeding of gums |
| Rickets | Deficiency of Vitamin D | Softening of bones causing pain and fractures |
| Beriberi | Deficiency of Vitamin B1 | Nerve disorders |
संबंधित प्रश्न
List the six main purposes for which food is required by the body.
Distinguish between the following:
Autotrophs and Heterotrophs
Spot the following in the table of vitamins and minerals.
The nutrient present in citrous fruits.
Very Short Answer Type Questions:
Name two plant food items which provide proteins.
Short Answer Type Questions:
What are the functions of proteins?
Short Answer Type Questions:
A small child became very thin and lean and later he became so weak that he could not move. Which nutrients should he eat so as to improve his health?
Short Answer Type Questions:
Write the functions of water in our body.
Explain the process of nutrition in Amoeba.
______ is stored in our liver and muscles.
Take a potted plant with broad leaves. Take two strips of black paper and cut out a small square in the centres. Cover a part of two leaves with these papers and secure them with paper clips Figure. Keep the plant in sunlight for 2–5 days. Observe the difference in the colour of the covered and the uncovered portions on the leaf. Perform iodine test on this leaf. Did the two parts show different results? Now take second leaf. Remove the strip and expose the covered part to the sunlight for 2–3 days and do the iodine test again. Describe your observations.
