Common method of asexual reproduction is by

Which type of reproduction is found in Hydra

In a type of apomixis known as adventive embryony, embryos develop directly from the

$DNA$ replication in bacteria occurs

Which of the following is true/correct option about 'terror of Bengal'?

$(I)$ It is the aquatic plant

$(II)$ It is the invasive weeds

$(III)$ It does not drain oxygen from the water which leads to death of fish

$(IV)$ It can propagate vegetatively