Synaptonemal complex was discovered in

In which phase of meiosis are the following formed? Choose the answers from the hint points given below.
$(a)$ Synaptonemal complex
$(b)$ Recombination nodules
$(c)$ Appearance / activation of enzyme recombinase
$(d)$ Termination of chiasmata
$(e)$ Interkinesis
$(f)$ Formation of dyad of cells

Bivalent chromosomes align themselves at the equator during

Visible expression of the genetic phenomenon of crossing over is called

During the first meiotic division, the exchange of genetic material between the chromatids of homologous chromosomes occurs. What is this process called?

In the $Anaphase-II$ stage,.........