What is devernalization? Name the factor which helps it?

Define ionization energy. Name the factors on which ionisation energy depends? How does it vary down the group and across a period?

What is present on the surface of the leaves which helps the plant prevent loss of water but is absent in roots?

Answer the following questions orally: What are the factors on which the intensity of magnetic field depend upon?

What is ripple factor?

In human, teeth which help in cutting

Answer the following questions : What are the factors on which the maximum height attained by a body throws upward depends ?

What is Rh factor?

What do you mean by social health ? Name the factors required for maintaining good social health.