Parthenogenesis is an asexual mode of reproduction. In this the embryo develop from the unfertilized egg. The female remains virgin in the organisms who use parthenogenesis.
The development of young Komodo dragon is an example of parthenogenesis.
C) As hydrilla is aquatic in nature, the roots do not have to search for water, and there is no need for xylem to absorb water because the plant is surrounded by water.