Capacitation refers to changes in the

Give the names and functions of the hormones involved in the process of spermatogenesis. Write the names of the endocrine glands from where they are released.

In a simplest type of placenta the foetal blood is separated from the maternal blood by six barriers. How many barriers are lost in human placenta

Match the items $ABCD$ of table $'A'$ with that of items in table $'B'$ then the correct pairing sequence of $ABCD$ will be

$'A' $                                     $ 'B'$

$A.$Cleavage                        $1.$ Formation of $3$ germ layers

$B.$Gastrulation                    $2.$ Formation of embryo spinal cord

$C.$Neurulation                     $3.$ Results in formation of skeleton and muscles from mesoderm

$D.$Organogenesis                $4.$ Pattern depends on the amount and distribution of yolk

The maximum growth rate occurs in

Which part of the sperm contains hydrolytic enzymes?