How tiny is your smallest bone?

a Size of safety pin

b Size of a grain of rice

c Size of a grain of sand

What is the smallest bone in the human body? 

The aleurone layer in maize grain is specially rich in

(a) proteins

(b) starch

(c) lipids

(d) auxins

Put in order of smallest to largest.

Carbon atom, Water molecule, Histidine molecule (amino acid), Tryptophan (amino acid), Adenine molecule (nucleotide), Dictyostelium (amoeba), Archaeoglobus fulgidus (archaeon), Plasmid, X chromosome, Hemoglobin molecule (protein), Prion molecule (protein), Glucose molecule, Herpes simplex virus, Bacteriophage MS2 virus, Ribosome Red blood cell, Human sperm cell, E. coli cell, Tasmanian devil facial tumor cell, Saccharomyces cerevisiae (yeast cell), Rickettsia (bacterial cell), Human egg cell, Mitochondrion, Grain of table salt, Drosophila melanogaster (fruit fly), Grain of rice