A. Potassium
B. Calcium
C. Sodium
D. Magnesium
Category: General Science MCQs
Which is the most abundant element in human body?
A. Carbon dioxide
B. Nitrogen
C. Hydrogen
D. Oxygen
What is the diploid number of man’s chromosomes?
A. 46
B. 48
C. 62
D. 74
What connects the small brain with the spinal cord?
A. Cerebellum
B. Medulla Oblongata
C. Thalamus
D. Cereberum
Which are the basic building blocks of proteins?
A. Oxalic acids
B. Amino acids
C. Carbolic acids
D. Sodium carbonate