Question

Solve this:
Q. Answer the following questions.
Q.5. Define the terms 'Nomenclature'
Q.6. Name the structral and functional unit of lungs.
Q.7. How many bones are present in forelimb of man?
Q.8. What are ommatidia?

Answer 1

5. Nomenclature is a system for giving names to things within a particular profession or field.
6. The structural and functional unit of lungs is called alveolus (pl. alveoli).
7. A single human forelimb consists of 30 bones.
8. The compound eyes of arthropods like insects, crustaceans and millipedes are composed of units called ommatidia(singular: ommatidium). An ommatidium contains a cluster of photoreceptor cells surrounded by support cells and pigment cells.