White blood corpuscles divide by

$S -$ Statement: The efficient size of the cell is maintained by meiosis.
$R -$ Reason: The specific type and fixed number of chromosomes are maintained in organisms generation after generation by mitosis.

Identify the following figures $(A-D)$ and choose the correct option.

Match the following columns and select the correct option:

Column-$I$	Column-$II$
$(1)$ Attachment of spindle fibers to kinetochores	$(a)$ Prophase
$(2)$ Formation of contractile ring in cytoplasm	$(b)$ Telophase
$(3)$ Decondensation of chromosomes	$(c)$ Cytokinesis
$(4)$ Condensation of chromosomal material	$(d)$ Metaphase

Which of the following types of cell division is a characteristic feature of chondrocytes,the macronucleus of Paramecium,and embryonic membranes?

Cell division occurs in plants and animals respectively as: