This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition and health, Subject name: Social & Preventive Medicine
TRUE about folic acid and vitamin B, is all, except - 
Select and explain. 
A. Both are required for DNA synthesis, B. Recommended daily allowances for Folic acid is 1000 micro grams, C. Vegetarians have vitamin B12 deficit, D. Deficiency of both causes megaloblastic anaemia
B: Recommended daily allowances for Folic acid is 1000 micro grams
Answer: B: Recommended daily allowances for Folic acid is 1000 micro grams 
Explanation: The Daily allowance is different. For healthy adults-200mcg.Pregnancy-500mcg.Lactation-300mcg.REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 620