What is meant by malnutrition ?Why should we include vitamins in our food ?
22. How can you classify fibres ?Distinguish between natural and synthetic fibres.
23. While travelling in a train, it appears that the trees near the track are moving whereas copassengers appear to be stationary. Explain the reason.
24. Write few safety measures while handling electrical appliances.
25. Describe the tests to detect presence of carbohydrates in our food.,
26. what is diffusion? Why do gases have the highest rate of diffusion?
27. Why do we need to separate mixtures? How will you separate a mixture of sugar, sand and iron nails?
28. What is a switch? Write its function.
29. what do you understand by thermal conduction
30. What is a food chain? Give an example.
SECTION C 6 x 5 = 30
31. Explain lifecycle of silkworm.explain why it is unethical to use silk.
32. Describe a correct method of measuring the length and width of a play ground using a meter scale.
33. Describe the structure of torch and explain its working with the help of a circuit diagram.
34. a) Write any two differences between herbivore and carnivore animals.,
b) Write the difference between autotrophs and heterotrophs.,
35. What do you understand by magnetic property explain it with examples
36. Observe the items given in Fig. carefully and answer the questions that follow.
(a) Food item rich in carbohydrates is _____.
(b) Egg is a rich source of protein, the mineral _____ and vitamin _____.
(c) _____ is a rich source of fat.
(d) Milk provides _____, vitamin D and _____ (mineral) (e) _____ (fruit) is a rich source of vitamin A.
(f) Spinach is a good source of the mineral _____.
(g) Both eggs and _____ are rich in _____.
Answers
Answer:
thank you for free points dear
Explanation:
What is meant by malnutrition ?Why should we include vitamins in our food ?
22. How can you classify fibres ?Distinguish between natural and synthetic fibres.
23. While travelling in a train, it appears that the trees near the track are moving whereas copassengers appear to be stationary. Explain the reason.
24. Write few safety measures while handling electrical appliances.
25. Describe the tests to detect presence of carbohydrates in our food.,
26. what is diffusion? Why do gases have the highest rate of diffusion?
27. Why do we need to separate mixtures? How will you separate a mixture of sugar, sand and iron nails?
28. What is a switch? Write its function.
29. what do you understand by thermal conduction
30. What is a food chain? Give an example.
SECTION C 6 x 5 = 30
31. Explain lifecycle of silkworm.explain why it is unethical to use silk.
32. Describe a correct method of measuring the length and width of a play ground using a meter scale.
33. Describe the structure of torch and explain its working with the help of a circuit diagram.
34. a) Write any two differences between herbivore and carnivore animals.,
b) Write the difference between autotrophs and heterotrophs.,
35. What do you understand by magnetic property explain it with examples
36. Observe the items given in Fig. carefully and answer the questions that follow.
(a) Food item rich in carbohydrates is _____.
(b) Egg is a rich source of protein, the mineral _____ and vitamin _____.
(c) _____ is a rich source of fat.
(d) Milk provides _____, vitamin D and _____ (mineral) (e) _____ (fruit) is a rich source of vitamin A.
(f) Spinach is a good source of the mineral _____.
(g) Both eggs and _____ are rich in _____.
ek ek kar ke phuch bhai
fill ups ka answer
a)wheat
b)floor