As there occurs more and more condensation of chromatin during cell division,there occurs:

List the main differences between mitosis and meiosis.

Match the following:

Column-$I$	Column-$II$
$A$. $G_2$-phase	$1$. First phase of prophase-$I$
$B$. Anaphase	$2$. Proteins are synthesized in preparation for mitosis
$C$. Leptotene	$3$. Terminalisation of chiasmata
$D$. Diakinesis	$4$. Centromeres split and chromatids separate

Select the correct statements.
$A$. Tetrad formation is seen during Leptotene.
$B$. During Anaphase,the centromeres split and chromatids separate.
$C$. Terminalization takes place during Pachytene.
$D$. Nucleolus,Golgi complex and $ER$ are reformed during Telophase.
$E$. Crossing over takes place between sister chromatids of homologous chromosomes.
Choose the correct answer from the options given below:

Match the following columns correctly:

Column $I$	Column $II$
$(a)$ $G_1$ phase	$(p)$ Synthesis of new $DNA$ occurs
$(b)$ $G_2$ phase	$(q)$ No $DNA$ synthesis occurs
$(c)$ $S$ phase	$(r)$ $DNA$ synthesis stops
$(d)$ Prophase	$(s)$ Formation of mitotic spindle occurs

Select the correct match for $X$ and $Y$:

Column $X$	Column $Y$
$(1)$ Attachment site of spindle fibers	$(P)$ Cell cycle
$(2)$ Pairing of homologous chromosomes	$(Q)$ Kinetochores
$(3)$ Exchange of genes	$(R)$ Synapsis
$(4)$ Interval between two successive cell divisions	$(S)$ Crossing over