Rapid secretion of $LH$ in ovulation causes

The eggs of an elephant are:

The female rabbit is classified as which of the following?

An egg with yolk in the center and cytoplasm surrounding it is known as:

Given below are two statements:
Statement $I:$ Vas deferens receives a duct from seminal vesicle and opens into urethra as the ejaculatory duct.
Statement $II:$ The cavity of the cervix is called cervical canal which along with vagina forms birth canal.
In the light of the above statements,choose the correct answer from the options given below:

Identify $X, Y$ and $Z$ from the figure:
$Z-Y-X$