What are the structures in plants that are capable of giving rise to new offspring called?

Is it possible to consider vegetative propagation observed in certain plants like $Bryophyllum$,water hyacinth,ginger,etc.,as a type of asexual reproduction? Give two/three reasons.

The fungi,the filamentous algae,and the protonema of mosses,all easily multiply by . . . . . . .

Which pair of plants shows vegetative propagation by leaf fragments?

Which one of the following pairs is wrongly matched, while the remaining three are correct?

All organisms reach a certain stage of growth and maturity in their life before they can reproduce sexually. This period of growth is called ..........