Question:
Who has formulated the planetary laws?
Answer:
Johannes Kepler
Question:
Which acid is present in lemon?
Answer:
Citric Acid
Question:
Which vitamin is needed to prevent Xerophthalmia?
Answer:
Vitamin A
Question:
What body part produces most keratin?
Answer:
Skin
Question:
In which organ the digestion of protein starts in the human digestive tract?
Answer:
Stomach
