Anil Ahlawat Solutions for Chapter: Food and its Components, Exercise 1: EXERCISES

Observe the given experimental figures carefully. What does this experiment prove?

Consider the following statements (i)-(v) and select the option that correctly identifies true (T) and false (F) ones.
(i) Sucrose is the sugar found in milk.
(ii) Saturated fats are solids at room temperature while unsaturated fats are liquids.
(iii) Fat-soluble vitamins are not stored in our body and need to be regularly supplied through food.
(iv) Vitamin C is very sensitive to heat and is easily destroyed during cooking.
(v) Our body can make two vitamins, i.e., vitamin K and vitamin D.

Which of the following options contains foods obtained from roots of the plant?

A child is suffering from a deficiency disease. He shows the following symptoms:
(i) Swelling of ankle, feet and belly
(ii) Diarrhoea
(iii) Scaly skin
(iv) Mental retardation
Identify the deficiency disease and the deficient nutrient in the child’s body.

Refer to the given groups (i)-(iii). Each group contains an odd member. Identify the odd ones in each group and select the correct option.
(i) Calcium, Potassium, Iodine, Sodium
(ii) Vitamin A, Vitamin B, Vitamin D, Vitamin E
(iii) Oil, Cheese, Butter, Ghee

Aarushi took two food samples $X$ and $Y$ in separate test tubes. She added $2-3$ drops of Benedict’s solution to the food sample $X$ and heated it while she added two drops of copper sulphate solution and few drops of caustic soda solution in the food sample $Y$. She observed sample $X$ turned brick-red while sample $Y$ turned purple.
Which of the following is correct regarding $X$ and $Y$?

Study the given table.

Select the correct option for (I), (ii), (iii) and (iv).

Which of the following statements is/are incorrect?
(i) Fats deposited in our body act as shock absorbers and protect us from injury.
(ii) Kwashiorkor is caused by deficiency of protein, carbohydrate and fat.
(iii) Roughage neither releases energy nor helps in tissue or body building.
(iv) Starch-containing food item turns bluish-black in colour on undergoing iodine test.