Ncert exemplar solutions science class 6 Solutions for Chapter 2 components of food

Exercises in Chapter 2 components of food Grade 6

Exercise

Questions in Exercise

Read the following statements about diseases.

(i) They are caused by germs.

(ii) They are caused due to lack of nutrients in our diet.

(iii) They can be passed on to another person through contact.

(iv) They can be prevented by taking a balanced diet.

Which pair of statements best describe a deficiency disease?

Which of the following nutrients is not present in milk?

Which one of the following food item does not provide dietary fiber?

Given below are the steps to test the presence of proteins in a food item.

(i) Take a small quantity of the food item in a test tube, add 10 drops of water to it

and shake it.

(ii) Make a paste or powder of food to be tested.

(iii) Add 10 drops of caustic soda solution to the test tube and shake well.

(iv) Add 2 drops of copper sulphate solution to it. Which of the following is the correct sequence of the steps?

Which of the following sources of protein is different from others?

Read the food items given below.

(i) Wheat

(ii) Ghee

(iii) Iodized salt

(iv) Spinach (palak)

Which of the above food items are “energy giving foods”?

Q1) Name the major nutrients in our food. Name the major nutrients in our food.

Q2) Name the following:

(a) The nutrients which mainly give energy to our body.

(b) The nutrients that are needed for the growth and maintenance of our body.

(d) A mineral that is required for keeping our bones healthy.

Q3) Name two foods each rich in:

(a) Fats

(b) Starch

(d) Protein

Q4) Tick (√) the statements that are correct.

(a) By eating rice alone, we can fulfill the nutritional requirement of our body,

(b) Deficiency diseases can be prevented by eating a balanced diet.

(d) Meat alone is sufficient to provide all nutrients to the body.

Q5) (a) ________ is caused by deficiency of Vitamin D.

(b) Deficiency of_ causes a disease known as beri-beri.

(d) Night blindness is caused due to deficiency of___ in our food. Answer.

Unscramble the following words related to components of food and write them in the space provided.

reinpot ___________

Which of the following food items does not provide any nutrient?

Fill in the blanks:

Egg yolk is rich in___and egg albumin is rich in___.

While using iodine in the laboratory, some drops of iodine fell on Paheli’s socks and some fell on her teacher 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?

Paheli and Boojho peeled some potatoes and cut them into small pieces. They washed and boiled them in water. They threw away the excess water and fried them in oil adding salt and spices. Although the potato dish tasted very good, its nutrient value was less. Suggest a method of cooking potatoes that will not lower the nutrients in them.

Paheli avoids eating vegetables but likes to eat biscuits, noodles and white bread. She frequently complains of stomach ache and constipation. What are the food items that she should include in her diet to get rid of the problem?

Which of the following are the components of food that do not provide nutrients?

‘Minerals and vitamins are needed in.............(small/large) quantities.

‘Water does not provide nutrients, yet it is an important component of food’. Why?

Shyam 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?

Observe the items given in Fig. 2.2 carefully and answer the questions that follow.