Which one of the following is a degenerative disease?

1. Thalassemia
2. Beri-beri
3. Cataract
4. Diabetes

Pellagra is caused by the deficiency of

1. Vit. B₃
2. Vit. B₁
3. Vit. C
4. Vit. D

Which one of the following vitamin deficiency disease can be cured by eating a diet which includes carrot, yellow fruits, vegetables, butter milk,fish?

1. Beri-beri
2. Dermatitis
3. Night blindness
4. Scurvy

Which one of the following is a communicable disease?

1. Measles
2. Cancer
3. Heart stroke
4. Allergy