Which structure is common between an earthworm and a cockroach?

The liver of a rabbit is made up of: (in $lobes$)

What is the full form of $PMNL$?

Match the following (w.r.t. type of metamorphosis involved):

Column-$I$	Column-$II$
$(a)$. Paurometabolous	$(i)$. Silk worm
$(b)$. Hemimetabolous	$(ii)$. Grasshopper
$(c)$. Holometabolous	$(iii)$. Silver fish
$(d)$. Ametabolous	$(iv)$. Dragon fly

Based on cellular mechanisms,there are two major types of regeneration found in animals. Which one of the following is the correct example of the type mentioned?

How many of the given statements are true?
$A.$ The dry surface of the skin and the moist surface of the buccal cavity are lined by compound epithelium.
$B.$ Cuboidal epithelium facilitates diffusion across the epithelium.
$C.$ Intercalated discs are the cell junctions between the cardiac muscle cells.
$D.$ Skeletal muscle fibers can be located in the biceps muscle.
$E.$ In a bone,osteocytes are located in lacunae.