Tests for nutrients - class-VIII
Description: Tests for nutrients | |
Number of Questions: 16 | |
Created by: Rachana Sahu | |
Tags: how much food, what type of food food for health food components digestive system food and it's constituents food components and nutrition digestion of food health and hygiene evs components of food biological molecules biology constitutes of diet |
X is one of the important components of food. Wheat, pearl millet and sweet potato are rich sources of X, X gives a blue-black colour with a dilute solution of iodine. Identify X.
A green leaf is partially covered and placed in the light for several days. If it is then boiled and tested for starch with iodine, what will be the result?
Iodine gives blue-black colour with
The digestive juices break down into simpler substance
Which carbohydrate gives red colour when iodine solution is added to it?
Which of the following foods turns blue-black with iodine solution?
Egg white, turns violet when two drops of copper sulphate and ten drops of caustic soda is added to it. This indicates the presence of
Which of the following agent is used to detect the presence of fat in the food product?
'Oil' is a mixture of different
Starch is tested with ................ solution.
What compounds form fats and oils?
Which of the following is used to test presence of starch?
Which of the following test are used for detection of protein?
Choose the correct answer from the alternatives given.
If an animal needed to store energy for long-term use, but not be encumbered with the weight of extra.tissue, which is the best molecule for storage?
Oil is obtained from the plant and animal sources can be detected by
Which of the following helps in nutrient conservation?