which is a ployploid?

Which one of the honeybee is monoploid and which one is diploid?

Which is that alloy in which copper is not present ?

Name a metal : (a) which can be easily cut with a knife (b) which forms amalgams ( c) which has no fixed shape (D) which has a low melting point ( e) which is yellow in colour

Which is a temporary change and which is permanent?

Which of the following, which is not a pair of supplementary angles?

Determine which of the following algebraic expressions are polynomials and which are not. Also, determine the degrees of those expressions which are polynomials : sqrt2

State which curves are open and which are closed.

Examine which of the following are rationals and which are not: 1.3

Which end of the heart is broader and which end is narrow?