One of the following organisms does not reproduce by budding . This is :

The protozoan having a flagellum at its one end is :

In the list of organisms given below, those which reproduce by the asexual method are:

(i) banana (ii) yak

(iii) yeast (iv) Amoeba

The disease kala-azar is caused by a micro-organism known as :

Reproduction is essential for living organisms in order to :