Dikaryophase of fungus is-

  • . Two nuclei per cell
  • . Diploid nucleus
  • . Two nuclei per mycelium
  • . More than one options are correct.

The basis for the division of the kingdom fungi into various classes is /are –
(i). The morphology of the mycelium
(ii). Mode of spore formation
(iii). Fruiting bodies
(iv). Type of pigment
(v). Type of cell wall.

  • . i, iv and v
  • . i, ii and iii
  • . ii, iii, iv and v
  • . i, ii, iii and v

Which class of Fungi has coenocytic and aseptate mycelium?

  • . Phycomycetes
  • . Ascomycetes
  • . Basidiomycetes
  • . Deuteromycetes

Parasitic fungi of mustard is-

  • . Mucor
  • . Albugo
  • . Puccinia
  • . Rhizopus

Fungus known by the name of ‘Bread mould’ is –

  • . Albugo
  • . Mucor
  • . Puccinia
  • . Rhizopus

Which class of fungi shows zygospore formation?

  • . Phycomycetes
  • . Ascomycetes
  • . Basidiomycetes
  • . Deuteromycetes

Which of the following is a non–motile spore in phycomycetes?

  • . Zoospore
  • . Oospore
  • . Aplanospore
  • . Ascospore

Identify the exogenous spore?

  • . Zoospore
  • . Basidiospore
  • . Aplanospore
  • . Ascospore

Which of the following is not a member of class phycomycetes?

  • . Mucor
  • . Rhizopus
  • . Albugo
  • . Claviceps

Which of the following is known as Sac-fungi?

  • . Phycomycetes
  • . Ascomycetes
  • . Basidiomycetes
  • . Deuteromycetes

Yeast belongs to the class –

  • . Phycomycetes
  • . Ascomycetes
  • . Basidiomycetes
  • . Deuteromycetes

Which type of asexual spores are found in class Ascomycetes?

  • . Conidia
  • . Zoospore
  • . Aplanospore
  • . Both b and c

Which type of sexual spores are found in class Ascomycetes?

  • . Zoospore
  • . Basidiospore
  • . Aplanospore
  • . Ascospore

Which of the following does not belong to class ascomycetes?

  • . Aspergillus
  • . Neurospora
  • . Claviceps
  • . Puccinia

Which of the following is used extensively in biochemical and genetic work?

  • . Aspergillus
  • . Neurospora
  • . Claviceps
  • . Puccinia

Rusts and smuts belong to –

  • . Phycomycetes
  • . Ascomycetes
  • . Basidiomycetes
  • . Deuteromycetes

The asexual spores are generally not found in –

  • . Phycomycetes
  • . Ascomycetes
  • . Basidiomycetes
  • . Deuteromycetes

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________.

  • . Present, gametic contact, different, ascus.
  • . Absent, plasmogamy, different, basidium.
  • . Present, gametic copulation, different, basidium.
  • . Present, plasmogamy, different, ascus.

How many basidiospores are formed on the basidium?

  • . 2
  • . 3
  • . 4
  • . 5

Smut is caused by-

  • . Aspergillus
  • . Claviceps
  • . Ustilago
  • . Alternaria

Identify the odd one out w.r.t the formation of the spores.

  • . Basidiospore
  • . Ascospore
  • . Zoospore
  • . Aplanospore

Which of the following does not belong to the class basidiomycetes?

  • . Agaricus
  • . Ustilago
  • . Alternaria
  • . Puccinia

Deuteromycetes are known as ‘imperfect fungi’ because –

  • . Only the sexual phases of these fungi are known.
  • . Because they do not have true cell wall
  • . Only the asexual or vegetative phases of these fungi are known.
  • . They do not show typical fungal characteristics.

On the discovery of sexual phase in a fungus the mycologist moved it from class ‘A’ to ascomycetes. Identify the class ‘A’?

  • . Phycomycetes
  • . Basidiomycetes
  • . Ascomycetes
  • . Deuteromycetes

Which type of spores are found in the members of deuteromycetes?

  • . Zoospore
  • . Aplanospore
  • . Conidia
  • . Oospore

Which of the following does not belong to the class Deuteromycetes?

  • . Alternaria
  • . Colletotrichum
  • . Ustilago
  • . Trichoderma

Phenomenon called Alternation of generation is found in –

  • . Protista
  • . Fungi
  • . Plantae
  • . More than one options are correct

Lichens, viruses, viroids and prions have been included in the kingdom –

  • . Monera
  • . Protista
  • . Plantae
  • . None of the above

Viruses did not find a place in classification because –

  • . They do not possess a cellular structure
  • . They can be crystallized
  • . They do not divide outside the cell
  • . All of the above

Which of the following statement is incorrect with respect to capsid?

  • . Capsid is the outermost covering of most of the viruses.
  • . Capsid is made up of capsomeres.
  • . Capsid protects the genetic material
  • . Capsomeres are arranged in random geometric forms.

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