Advertisements
Advertisements
प्रश्न
While using iodine in the laboratory, some drops of iodine fell on Paheli’s socks and some fell on her teacher’s saree. The drops of iodine on the saree turned blue black while their colour did not change on the socks. What can be the possible reason?
Advertisements
उत्तर
The saree of Paheli’s teacher might have been starched. As starch turns blue black with iodine solution, so the saree also turned blue-black. Paheli’s socks did not have starch thus did not show any colour change.
APPEARS IN
संबंधित प्रश्न
Give the one-word substitute for the following:
Disease caused by the deficiency of vitamin A.
Write a short note on:
Marasmus
The question has four options. Choose the correct answer:
To get sufficient carbohydrate, one should take
Very Short Answer Type Questions:
Name some food items which provide roughage.
Balanced diet for the body should contain a variety of food items.
Boojho was having difficulty in seeing things in dim light. The doctor tested his eyesight and prescribed a particular vitamin supplement. He also advised him to include a few food items in his diet.
- Which deficiency disease is he suffering from?
- Which food component may be lacking in his diet?
- Suggest some food items that he should include in his diet, (any four)
______ fibre consists of the bulk of food that our body cannot absorb.
Distinguish between unsaturated fats and trans fats.
Evaluate the effects of inadequate vitamin status on health and sports performance.
Evaluate the effects of Inadequate Mineral Status on Health and Sports Performance.
