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Q. No.Which of the following is used extensively in biochemical and genetic work?
a. Aspergillus
b. Neurospora
c. Claviceps
d. Puccinia
a. Aspergillus
b. Neurospora
c. Claviceps
d. Puccinia
Difficulty Level:
Rusts and smuts belong to –
a. Phycomycetes
b. Ascomycetes
c. Basidiomycetes
d. Deuteromycetes
Difficulty Level:
The asexual spores are generally not found in –
a. Phycomycetes
b. Ascomycetes
c. Basidiomycetes
d. Deuteromycetes
Difficulty Level:
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.
Difficulty Level:
How many basidiospores are formed on the basidium?
a. 2
b. 3
c. 4
d. 5
Difficulty Level:
Smut is caused by-
a. Aspergillus
b. Claviceps
c. Ustilago
d. Alternaria
Difficulty Level:
Identify the odd one out w.r.t the formation of the spores.
a. Basidiospore
b. Ascospore
c. Zoospore
d. Aplanospore
Difficulty Level:
Which of the following does not belong to the class basidiomycetes?
a. Agaricus
b. Ustilago
c. Alternaria
d. Puccinia
Difficulty Level:
Deuteromycetes are known as ‘imperfect fungi’ because –
a. Only the sexual phases of these fungi are known.
b. Because they do not have true cell wall
c. Only the asexual or vegetative phases of these fungi are known.
d. They do not show typical fungal characteristics.
Difficulty Level:
On the discovery of sexual phase in a fungus the mycologist moved it from class ‘A’ to ascomycetes. Identify the class ‘A’?
a. Phycomycetes
b. Basidiomycetes
c. Ascomycetes
d. Deuteromycetes
Difficulty Level:
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