#1 Thiamine is:
Thiamine, also known as thiamin or vitamin B₁, is a vitamin found in food, and manufactured as a dietary supplement and medication. Food sources of thiamine include whole grains, legumes, and some meats and fish.
#2 Which one of the following pairs is no correctly matched?
#3 What are vitamins?
A vitamin is an organic molecule that is an essential micronutrient that an organism needs in small quantities for the proper functioning of its metabolism. Essential nutrients cannot be synthesized in the organism, either at all or not in sufficient quantities, and therefore must be obtained through the diet.
#4 Itai-Itai disease is caused by chronic poisoning of-
Itai–itai disease was caused by cadmium poisoning due to mining in Toyama Prefecture. The earliest records of mining for gold in the area date back to 1710.
#5 Deficiency of which vitamin can cause night blindness?
Vitamin A deficiency (VAD) or hypovitaminosis A is alack of vitamin A in blood and tissues. It is common in poorer countries, but rarely is seen in more developed countries. Nyctalopia (night blindness) is one of the first signs of VAD.