A scion is grafted to a stock. The quality of fruits produced will be determined by the genotype of

Production of plant without fertilization is done by

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

Reproducing new plants by cells instead of seeds is known as

Identify water weeds.