The reason of formation of embryoid from pollen grain in a tissue culture medium is
Organogenesis
Double fertilization
Test tube culture
Cellular totipotency
Reproducing new plants by cells instead of seeds is known as
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
Assertion : Leaves of Bryophyllum, Begonia help in vegetative multiplication.
Reason : Leaves of these plants possess adventitious buds.
Budding is a normal mode of asexual reproduction in