What is the main event that occurs during the second division of meiosis?

Which of the following phases is the longest phase of Meiosis-$I$?

Which type of cell division occurs during the formation of reproductive cells (gametes)?

During which stage of meiosis,do tetrads line up at the equator?

What is formed to separate homologous chromosomes?

Given below are two statements:
Statement $I$: Chromosomes become gradually visible under light microscope during leptotene stage.
Statement $II$: The beginning of diplotene stage is recognized by dissolution of synaptonemal complex.
In the light of the above statements,choose the correct answer from the options given below: