A. more are from the father
B. more are from the mother
C. there are an equal number from each parent
D. there is never a constant number from the parents
A. Aluminium
B. Gold
C. Graphite
D. All are conductors
A. O-
B. O+
C. AB+
D. AB-
Defeciency of following vitamin decreases hemoglobin production ?
A. Biotin
B. Thiamine
C. Niacin
D. Pyridoxine
E. None of these
A. Helium
B. Hydrogen
C. Carbon
D. Chlorine
A. Ice
B. Water
C. Benzene
D. Chloroform
A. Retinol
B. Calciferol
C. Tocopherol
D. None of these.
Vitamin D is a fat-soluble vitamin, found naturally in every few foods. The term vitamin D refers to a family of compounds that are derived from cholesterol. There are two major forms of vitamin D: vitamin D2, found in plants and better known as ergocalciferol (or calciferol), and vitamin D3, found in animal tissues and often referred to as cholecalciferol.