Which of the following statement(s) is/are true about Vitamin B12? a. It is also known as cobalamin. b. It is composed of cobalt-atom. c. It consists of corrin ring. Choose the correct option.

Which one of the following statements is not correct?

Which of the following is found in the composition of vitamin D?

Which one of the following statements regarding starch and cellulose is not correct?

Which of the following vitamin is considered as hormone?

Which one of the following compounds is not a vitamin?