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
Only $I$ and $III$
Only $I$ and $II$
Only $II$ and $III$
$I, II$ and $IV$
Assertion : Leaves of Bryophyllum, Begonia help in vegetative multiplication.
Reason : Leaves of these plants possess adventitious buds.
Reproducing new plants by cells instead of seeds is known as
What is incorrect from the given below?
The formation of gametophyte from the sporophyte $(without$ $meiosis)$ is called
Production of plant without fertilization is done by