This is the correct answer because Calciferol is other name of Vitamin D, which does not belong to Vitamin B complex family.

This is the correct answer because Meningitis affects spinal cord and brain of human being.

This is the correct answer because cinnabar is an ore of mercury. Its chemical name is mercury sulphide.

This is the correct answer because Hemophilus pertusis causes whooping cough.

This is the correct answer because 100 is the relative sweetness of sucrose.

This is the correct answer because lead sulphate is the chemical name of litharge and galena.

This is the correct answer because methane is used to make chloroform.

This is the correct answer because azurite is the mineral of copper.

This is the correct answer because malachite is an ore of copper.

Zinc sulphate is the chemical name of white vitriol.

This is the correct answer because carnotite is an ore of radium.

This is the correct answer because Pernicious anemia is caused due to the deficiency of cyanocobalamin or vitamin B₁₂.

 This is the correct answer because AB can receive blood from AB, A, B, and O. It is known as the universal recipient.

This is correct answer because sleeping sickness or Trypanosomiasis is caused by Trypanosoma brucei.

This is the correct answer because sleeping sickness is caused by Trypanosoma Bruce, which is a protozoan.