What is 'dropsy'? How dropsy affects us?

What is boiling? How is boiling affected by pressure?

What is modem? How is it used?

Photoperiodism affects

What is Triphala? How is it useful?

What is biological magnification. How sound effects us?

What are vacancy and interstitial defects? How do these defects affect the density of a non-ionic crystal?

Why ozone hole forms over Antarctica? How will enhanced ultraviolet Radiations affect us?

Examine the illustration of a portion of the deffective crystal and answer the following question : (a) What are these type of vacancy defects called ? (b) How is the density of a crystal affected by these defects ? (c) Name one ionic compound which can show this type of defect in the crystalline state. (d) How is the stoichiometry of the compound affected ?

What is BhC ? How is it prepared ? Which of its isomer is used as an insecticide ?

What is bagging technique? How is it useful in a plant breeding programme?