Question

(5) none of these
3
8
3.
(os
EXERCISES
Tick) the correct options:
Which of the following is a source of fate
(a) soyabeanolo (5) apple
For protein test, we add
solution along with caustic soda solution
(a) copper sulphate
(b) magnesium sulphate
(c) calcium sulphate
() iodine
Which of the following food items shows a positive starch test
(a) butter
O (b) ega
(c) nice
Obesity is due to excessive intake of
(a) proteins
(b) fats (c) minerals O () vitamine
5. Spongy and bleeding gums are symptoms of
(a) beriberi
(b) scurvy 0 () rickets
6. Which vitamin is essential for proper vision in darkness?
(a) vitamin D
(b) vitamin A O (c) vitamin C (c) vitamins
B. Fill in the blanks:
and fats provide us energy.
Carrot is a rich source of vitamin
3. The fibrous indigestible material present in our food is called
The diet that contains all components of food in the required proportion is called a​

Answer 1

Answer:

Using a dropper add two drops of copper sulphate solution to the test tube. Add 10 drops of caustic soda solution and shake the test tube. Observe the colour of the mixture. Violet colour indicates the presence of proteins in the tested food item.