Kwashiorkor is a form of severe protein malnutrition. Hence, protein deficiency causes Kwashiorkor.Vitamin B6 (pyridoxine) deficiency can cause a form of anemia. Haemoglobin that carries oxygen in the red blood cells to the tissues, is decreased. Some people may develop an allergy to ferrous sulfate therapy. This can cause you to develop an itchy rash on the skin (dermatitis).Biotin deficiency causes marasmus. It is a form of severe malnutrition which can occur in anyone, but it usually occurs in children.Menadione (vitamin K3) is also essential for normal blood clotting, known as coagulation; low levels of vitamin K can cause a person to bleed excessively. So, the correct answer is "(a) -(r) , (b)- (s) , (c) -(p) ,(d)- (t), (e) -(q)'.