Who among the following is known as the 'Father of Taxonomy'?

Which of the following is the most primitive ancestor of humans?

The pair of xenon compounds which have the same number of lone pairs of electrons on the central atom is

Which one of the following is a correct set?

Which of the following pairs is incorrect?

If $A = \begin{bmatrix} 1 & 0 \\ 1 & 1 \end{bmatrix}$ and $I = \begin{bmatrix} 1 & 0 \\ 0 & 1 \end{bmatrix}$,then which one of the following holds for all $n \ge 1$ (by the principle of mathematical induction)?