Question Detail Pigmentation of skin is due to : leucocytes lymphocytes monocytesmelanocytes Answer: Option D Similar Questions : 1. RNA means Ribonucleus AlkalineRibonucleus AlumRibonucleic AcidRibonucleus Acid Answer: Option C 2. Rickets is caused by deficiency of ? Vitamin AVitamin CVitamin DVitamin E Answer: Option C 3. Study of pulse and arterial pressure is called SphygmologyRhinologySonographySaurology Answer: Option AExplanation:Rhinology - is study of nose and olfactory organs. Sonography - is study of ultrasound imaging. Saurology - is study of lizards. 4. Study of cell is : BiometricsBacteriologyCryobiologyCytology Answer: Option DExplanation:Biometrics - Study of Biological problems Bacteriology - Study of Bacteria Cryobiology - Study of effect of low temperature on organisms. 5. Bamboo is classified as BushTreeGrassWeed Answer: Option C Read more from - Biology Questions Answers