What causes rust of wheat?
a. Puccinia
b. Penicillium
c. Mucor
d. Rhizopus

Smut is caused by-
a. Aspergillus
b. Claviceps
c. Ustilago
d. Alternaria

Which of the following does not belong to the class Deuteromycetes?
a. Alternaria
b. Colletotrichum
c. Ustilago
d. Trichoderma

Rusts and smuts belong to –
a. Phycomycetes
b. Ascomycetes
c. Basidiomycetes
d. Deuteromycetes

Which of the following does not belong to class ascomycetes?
a. Aspergillus
b. Neurospora
c. Claviceps
d. Puccinia

The dikaryotic condition is represented as

1. 2n

2. 3n

3. n

4. n + n

Which of the following does not belong to the class basidiomycetes?
a. Agaricus
b. Ustilago
c. Alternaria
d. Puccinia

The asexual spores are generally not found in –
a. Phycomycetes
b. Ascomycetes
c. Basidiomycetes
d. Deuteromycetes

How many basidiospores are formed on the basidium?
a. 2
b. 3
c. 4
d. 5

The sex organs are______, but ___________is brought about by fusion of two vegetative or somatic cells of _________strains or genotypes. The resultant structure is dikaryotic which ultimately gives rise to________.
a. Present, gametic contact, different, ascus.
b. Absent, plasmogamy, different, basidium.
c. Present, gametic copulation, different, basidium.
d. Present, plasmogamy, different, ascus.