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$(I)$ Use of bio resources by multinational companies and organization without proper authorization from the country and people concerned compensatory payment.
$(II)$ Traditional knowledge related to bio-resources can be exploited of Their bio-resources.
$(III)$ Nations are developing laws to prevent the unauthorized exploitation of Their bio-resources.
$I.$ Water is essential for fertilisation
$II.$ Male gametophyte bears antheridia, while female gametophyte bears archegonium, which produces antherozoids and egg cell, respectively
$III.$ Antherozoids and egg cell fuses to give rise zygote. Zygote develops into young embryo. Embryo give rise to sporophyte
Which of the statements given above are correct?
$(i)$ Mesosome is formed by the extensions of plasma membrane into the cell.
$(ii)$ The pili are elongated tubular structures made up of a protein.
$(iii)$ Flagellum is composed of filament, hook and basal body.
$(iv)$ Ribosomes are about $30\; nm$ by $50\; nm$ in size.