Question

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81. What is night blindness ? What causes night blindness?
32. Name the disease caused by the deficiency of :
01) Vitamin A
(b) Vitamin B1 (c) Vitamin C (d) Vitamin D
2 Name the vitamin whose deficiency causes the disease:
(..) beri-beri
(b) scurvy
(c) rickets (d) night blindness
34. Mention some effects of the deficiency of calcium in the diet.
35. What is the cause of cretinism ? Write the symptoms of cretinism
36. What is the cause of goitre ? Write the main symptom of goitre.
37. The neck of a person appears to be swollen. Name the deficiency disease he is suffering from. What is the
cause of this disease ?
Long Answer Type Questions
38. What is a balanced diet? How does the balanced diet of a child differ from that of a grown up man?
39. State two beneficial effects of cooking food. Name two cooking practices which lead to the loss of nutrients
in food materials.
40. What is the cause of the disease known as beri-beri? Write the main symptoms of beri-beri disease.
41. Name the disease caused by the deficiency of proteins in the diet of children. Give the symptoms of protein
deficiency in children.
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Answer 1

Answer:

81.Night blindness, also called nyctalopia, failure of the eye to adapt promptly from light to darkness that is characterized by a reduced ability to see in dim light or at night. It occurs as a symptom of numerous congenital and inherited retinal diseases or as a result of vitamin A deficiency.

Answer 2

Explanation:

Keep it short I cant read it man