b)
Match the following:
Group - A
1)
Test for starch
ii)
Test for fats
111)
Test for proteins
iv) Roughage
v)
Over cooking
Group - B
a) piece of paper
copper sulphate solution
c) kind of carbohydrate
d)
destroys the nutrients
e)
iodine solution
f) adds the nutrients
B) i- f, ii - a, iii - b, iv - C, V-e
D) i- e, ii - a, iii - b, iv - C, -d
A) i- e, ii - a, iii - b, iv - C, v-f
C) i-e, ii - b, iii - a, iv - C, V-d
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Answers
1. Which one of the following food item does not provide dietary fiber?
(a) Wholegrain
(b) Whole pulses
(c) Fruits and vegetables
(d) Milk
Solution:
(d): Milk.
Animal products like milk do not contain dietary fiber.
Dietary fiber is formed of cellulose and is obtained mainly from plant products.
Whole grains, whole pulses, fruits and vegetables are rich sources of dietary fiber.
2. Which of the following sources of protein is different from others?
(a) Peas
(b) Gram
(c) Soya beans
(d) Cottage cheese (paneer)
Solution:
(d): Cottage cheese (paneer)
Cottage cheese (paneer) is the source of animal protein whereas peas, gram and soya beans are the sources of plant proteins.
3. Which of the following nutrients is not present in milk?
(a) Protein
(b) Vitamin C
(c) Calcium
(d) Vitamin D
Solution:
(b): Vitamin C
Vitamin C is present in a negligible amount in milk whereas protein, calcium and vitamin D are present in considerable amounts in milk.
4. 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”?
(a) (i) and (iv)
(b) (ii) and (iv)
(c) (i) and (ii)
(d) (iii) and (iv)
Solution:
(c): Wheat and Ghee.
Fats and carbohydrates are energy giving foods hence ghee is rich in fats whereas wheat is rich in carbohydrates. So, these are energy giving foods.
Iodized salt and spinach are protective foods because iodized salt contains minerals and spinach is rich in both minerals and vitamins.
5. 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?
(a) (i) and (ii)
(b) (ii) and (iii)
(c) (ii) and (iv)
(d) (i) and (iii)
Solution:
(c): They are caused due to lack of nutrients in our diet. And they can be prevented by taking a balanced diet.
Deficiency diseases are the diseases which are caused by the deficiency of nutrients in the diet. These are non-infectious and do not spread from one to another person.
6. 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?
(a) i, ii, iv, iii
(b) ii, i, iv, iii
(c) ii, i, iii, iv
(d) iv, ii, i, iii
Solution:
(b): ii, i, iv, iii
To test the presence of proteins in a food item, first, make a paste or powder of food to be tested (ii), then take a small quantity of the food item in a test tube, add 10 drops of water to it and shake it (i). After that add 2 drops of copper sulphate solution to it (iv), and finally, add 10 drops of caustic soda solution to the test tube and shake well (iii). Let the test tube stand for a few minutes and observe the colour of the solution in the test tube. The appearance of violet colour indicates the presence of proteins in the given food item.
Very Short Answer Questions:
7. Unscramble the following words related to components of food and write them in the space provided.
(a) reinpot ___________
(b) menliars __________
(c) tivanmi ___________
(d) bocatradhyer _______
(e) nitesturn__________
(f) tfa_______________
Solution:
(a) Protein
(b) Minerals
(c) Vitamin
(d) Carbohydrate
(e) Nutrients
(f) Fat
8. Which of the following food items does not provide any nutrient
[Milk, Water, Orange juice, Tomato soup] Solution:
Water does not provide any nutrients to the human body, yet it is essential for life.
Short Answer Questions:
9. Fill in the blanks from the list of words given below.
(carbohydrate, fat, protein, starch, sugar, vitamin A, vitamin C, roughage, balanced diet, obesity, goitre)
(a) Egg yolk is rich in_____and egg albumin is rich in___.
(b) Deficiency diseases can be prevented by taking a____.
(c) Eating too much of fat-rich foods may lead to a condition called____.
(d) The component of food that does not provide any nutrient to our body and yet is essential in our food is_____.
(e) The vitamin that gets easily destroyed by heating during cooking is ____.
Solution:
(a) fat, protein
(b) balanced diet
(c) obesity
(d) roughage
(e) vitamin C
b)
Match the following:
Group - A
1)
Test for starch
ii)
Test for fats
111)
Test for proteins
iv) Roughage
v)
Over cooking
Group - B
a) piece of paper
copper sulphate solution
c) kind of carbohydrate
d)
destroys the nutrients
e)
iodine solution
f) adds the nutrients
B) i- f, ii - a, iii - b, iv - C, V-e
D) i- e, ii - a, iii - b, iv - C, -d
A) i- e, ii - a, iii - b, iv - C, v-f
C) i-e, ii - b, iii - a, iv - C, V-d
sity Education Management Pvt. Ltd.
refer the attachment
