During the cell enlargement phase of growth,molecules of new cell wall material are inserted between the original molecules of the stretched wall. This process is known as:

Match the following columns regarding the parameters of growth:

Column-$I$ (Structure for growth)	Column-$II$ (Parameter)
$P$. Maize root apical cell	$I$. Length
$Q$. Watermelon cell	$II$. Number
$R$. Pollen tube	$III$. Size
$S$. Dorsiventral leaf surface	$IV$. Surface area

Identify the correct and incorrect statements from the following.
$(i)$ $17,500$ new cells are produced per hour by a single maize root apical meristem.
$(ii)$ With the help of length,growth of pollen tube is measured.
$(iii)$ The growth of the leaf is measured in terms of volume.
$(iv)$ Cells in a watermelon may increase in size by up to $3,50,000$ times.

Growth in plants is measured by the increase in
$I.$ Fresh weight. $II.$ Dry weight
$III.$ Length,area and volume $IV.$ Cell number
Choose the correct option.

The number of mitochondria increases in cells of

The growth pattern of a plant is different from the growth pattern of an animal in having