A fungus which requires only one single host for completion of its life cycle is called _______________.
When a parasite, especially fungi, completes its life cycle in a single host then it is called Autoecious fungi. Heteroecious parasite requires at least two hosts to complete its life cycle. In heterothallism, the two sexes reside in different hosts, and heterosporous are the land plants having two different types of spores.
The correct answer is B.