285902 Read the following statements and answer the question.
i. Some members are saprophytes or parasites while a large number of them are decomposers of litter and help in mineral cycling.
ii. They reproduce only by asexual spores known as conidia.
iii. Mycelium is septate and branched.
iv. Alternaria, Colletotrichum and Trichoderma are examples of this class.
v. Commonly known as imperfect fungi.
Which of the following class of fungi is being described by the above statements?