Question

Do as directed.
1. Not eating a balanced diet can lead to various diseases. Explain with example,
2. Salt dissolves in water. But as salt is constantly added to the water, at some point
salt appears at the bottom of the vessel. Why does this happen?
Answer the following questions.
1. How are yarns made from fibres? Give an example,
2.
Briefly explain any one process to make fabric from yarn.
3. The snake does not move in a straight line on the ground. Explain.
4. The stem is like a two way street. Explain.​

Answer 1

Answer:

1 Eating too much Junk Food can lead to Obesity

2 Because water has limited dissolving properties so adding salt more then its limit can cause that..

Answer 2

Explanation:

1. Which one of the following food item does not provide dietary fibre?
2. (a) Wholegrains
3. (b) Whole pulses
4. (c) Fruits and vegetables
5. (d) Milk
6. Solution:
7. (d): Dietary fibre is formed of cellulose and is obtained mainly from plant products. Whole grains, whole pulses, fruits and vegetables are rich sources of dietary fibre. Animal products (e.g. milk) do not contain dietary fibre.
9. Question 2.
10. Which of the following sources of protein is different from others?
11. (a) Peas
12. (b) Gram
13. (c) Soyabeans
14. (d) Cottage cheese (paneer)
15. Solution:
16. (d) : Peas, gram and soyabeans are the sources of plant proteins whereas cottage cheese (paneer) is the source of animal protein.
20. Question 3.
21. Which of the following nutrients is not present in milk?
22. (a) Protein
23. (b) Vitamin C
24. (c) Calcium
25. (d) Vitamin D
26. Solution:
27. (b) : Protein, calcium and vitamin D are present in considerable amounts in milk whereas vitamin C is present in negligible amount in milk.