Diatomaceous earth is used for making __________?

How many bones are present in the wrist?

A. 4 bones
B. 6 bones
C. 8 bones
D. 14 bones

Rigor mortis i.e, stiffening of body after death results from__________?

A. Accunulation of rigid proteins molecules in sarcoplam.
B. Unavailability of ATP, which is necessary to break the link between actin and myosin.
C. Decrease in body temperature after death.
D. Death of tissue due to unavailability of O2.

Chlorophylls mainly absorb _________ wavelengths?

A. Orange – blue
B. Violet – red
C. Yellow – orange
D. Orange – red.

ATP is a an important molecule for its major function___________?

A. As an energy currency of the cell
B. As a coenzyme
C. Both a and b
D. None of these

Collagen fibers of bone are hardened by deposition of_____________?

A. Ca & PO4
B. CaCO3
C. CaSO4
D. SiO2

Destruction of all life forms is called___________?

A. Sterilization
B. Disinfection
C. Antisepsis
D. Preservation