Column-$I$ represents the organelle and Column-$II$ represents its structure. Select the correct option:

Column-$I$	Column-$II$
$(A)$ Mitochondria	$(i)$ Single membrane-bound structure
$(B)$ Lysosome	$(ii)$ Non-membrane-bound structure
$(C)$ Nucleolus	$(iii)$ Double membrane-bound structure

Match column-$I$ with column-$II$ and select the correct option.

Column-$I$	Column-$II$
$A$. Golgi apparatus	$I$. Storage
$B$. Mitochondria	$II$. Photosynthesis
$C$. Vacuoles	$III$. Transport
$D$. Grana	$IV$. Secretion
	$V$. Respiration

Which one of the following pairs is correctly matched?

Consider the following statements and choose the incorrect option:
$a$. Large and more numerous nucleoli are present in cells actively carrying out protein synthesis.
$b$. Nuclear pores allow bidirectional movement of molecules.
$c$. Cytoskeleton is a glycolipid structure for mechanical support,motility and maintenance of the shape of the cell.
$d$. Steroidal hormones are synthesized by Golgi complex.

Which of the following structures is formed by the collective functioning of all membranous organelles in terms of their structure and function?

$A$ chemical substance that,when irradiated with $UV$ rays,absorbs radiation and emits visible light is called: