Which stain is commonly used for the study of cell division?

Which of the following does not occur during interphase?

Which stages of cell division do the following figures $A$ and $B$ represent respectively?

Option	Figure $A$	Figure $B$
$(a)$	Metaphase	Telophase
$(b)$	Telophase	Metaphase
$(c)$	Late anaphase	Prophase
$(d)$	Prophase	Anaphase

Polytene chromosomes in salivary glands are formed as a result of:

Write briefly the significance of mitosis and meiosis in multicellular organisms.

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: