Question

Answer the following questions. 1) How will you determine whether the given food items contain protein or not? 2) How will you determine that a particular food material is which part of plant?​

Answer 1

Answer:

1)Following steps are used to test if a food item contains protein.  

1) Take a small quantity of the food items to be tested.

2) Grind/mash the food item.

3) Put the food item into a test tube.

4) Add 10 drops of water and shake the test tube.

5) Add two drops of copper sulphate solution to the test tube, using a dropper.  

6) Add 10 drops of caustic soda solution using a dropper and shake the test tube.

7) Let the test tube rest in a test tube stand for a few minutes.

8) Observe the colour of the mixture.

9) Violet colour indicates the presence of proteins in the tested food item.

2)The rhizome of ginger is also known as root ginger and it is the edible part of the ginger plant. 2- Spinach is obtained from the leaf part of a plant. Spinach is a very healthy and leafy vegetable.

I HOPE IT'S HELPFUL TO YOU

Explanation:

Answer 2

1)for processed and packed food we can find amount of protein on the label printed on packet.
2)it can be through many ways like its taste , observing it with eyes.