What is bronchus?

What is buoyancy? On what factors do it depend?

What is Greenhouse effect? What is Global warming?

What is acrosome? What is its function?

What is friction? What is the origin of friction?

What is starch ? What are the ultimate hydrolysis products ?

What is porins? What role do they play in diffusion?

What is ozone blanket? What is green chemistry ?

Read the following statements (i) the point of bifurcation of trachea is called carina and is at the level of 5th thoracic vertebra (ii)the right bronchus is shorter wider and more in line with trachea than the let bronchus (iii) the bronchioles are without cartilaginous rings (iv) the surfactant of lungs is secreted in infants between 6th and 7th month of life which of these are correct ?

What is Chloriosis? What is responsible for it?

What are purin and pirimidine bases? What is nucleoside? What are telomere and satellite?