Q.In reference to the picture (Vitamin Chart) answer the following questions: a. What is the other name of Vitamin B1? b. Deficiencies of B9 can cause______. c. Vitamin ________ helps in maintaining hair colour.

Parts a and b are answered directly from this chapter's own vitamin table (section 5.2.5); part c depends on a specific label printed on the picture itself, which this pass could not independently view. …

a. Other name of Vitamin B1: Table 2.i lists it directly as "Thiamine (vitamin B1)" — it works as a coenzyme (Thiamine pyrophosphate) needed for energy metabolism, nerve function, and DNA/RNA synthesis.

b. Deficiency of B9: Table 2.i lists Folic acid/Folate (vitamin B9) as needed for "making DNA and new cells, especially red blood cells," formation of neurotransmitters, and maintaining normal blood pressure. Since it is specifically needed for red-blood-cell formation, a deficiency is well understood (both in general nutrition science and as a logical extension of the book's own stated function) to cause megaloblastic (macrocytic) anaemia. …