Vitamin B12 deficiency causes pernicious anemia. Animals cannot synthesize vitamin B12. Humans must obtain all their vitamin B12 from their diet. The complexing metal ion in vitamin B12 is :
Which one of the following vitamins has a role in blood clotting
Which one of the following statements is not correct
Which one of the following statements is correct ? The velocity of sound :
Genetically modified (GM) crops contain modified genetic material due to :
introduction of new DNA
removal of existing DNA
introduction of RNA
introduction of new traits
Select the correct answer using the code given below :
In artificial insemination (AI) process, which of the following is / are introduced into the uterus of the female