Questions No:1
In which of the following plants, a vacuolated, sterile columella is present?
[A] In sporangium of Rhizopus
[B] Cleiostothecium of Penicillium
[C] Basidium of Agaricus
[D] Yeast ascus
Questions No:2
The hyphae of Rhizopus which help in spreading of the mycelium on bread are known as
[A] zygophores
[B] sporangiophores
[C] stoloniferous hyphae
[D] rhizoidal hyphae
Questions No:3
The negatively geotrophic and unbranched hyphae in Rhizopus are known as
[A] sporangiophores
[B] zygophores
[C] stoloniferous
[D] rhizoidal hyphae
Questions No:4
As regards the mode of nutrition is concerned, Bread mold is considered to be a
[A] parasite
[B] saprophyte
[C] shows mutualism
[D] epiphyte
Questions No:5
One of the following units helps the Rhizopus for perennation
[A] chlamydospores
[B] ascospores
[C] sporangiospores
[D] oidia
Questions No:6
In Penicillium species having branched condiophores, the ultimate branches bearing tufts of flasl shaped sterigmata of the phialides are called
[A] metulae
[B] conidiophores
[C] rami
[D] none of these
Questions No:7
The Drosophila of plant kingdom is
[A] Aspergillus
[B] Neurospora
[C] Saccharomyces
[D] Sardaria
Questions No:8
In mushrooms and puffballs, edible part represents
[A] mycelium
[B] ascocarp
[C] basidiocarp
[D] rhizomorph
Questions No:9
Dikaryotization (n + n) in Agaricus is brought about by
[A] clamp connections
[B] somatogamy between two hyphae of different strain
[C] both correct
[D] basidiospores
Questions No:10
The gills of a mushroom/gills fungi
[A] help in respiration
[B] help in nutrition
[C] bear spores which help in reproduction
[D] help in enhancing buoyancy
Questions No:11
Asexual spores in ascomycetes are called
[A] ascospores
[B] conidia
[C] zoospores
[D] sporangiospores
Questions No:12
The umbrella shaped structure of the basidiocarp of Agaricus is known as
[A] stipe
[B] gill
[C] hymenium
[D] pileus
Questions No:13
Fermentation to produce alcohol by yeast (Saccharomyces) is due to
[A] amylase
[B] invertase
[C] zymase
[D] galactase
Questions No:14
Yeasts differ from bacteria in being
[A] unicellular
[B] eukaryotic
[C] prokaryotic
[D] akaryotic
Questions No:15
The non mycelial unicellular ascomycetes having no fruiting bodies are known as
[A] Yeasts
[B] Blue molds
[C] Lichens
[D] Mushrooms
Questions No:16
The algal partner of the lichen thallus is known as
[A] mycobiont
[B] phycobiont
[C] basidiobiont
[D] lichenobiont
Questions No:17
Most of the lichens are composed of
[A] blue green algae and ascomycetes
[B] green algae and ascomycetes
[C] green algae and basidiomycetes
[D] blue green algae and basidiomycetes
Questions No:18
Lichens are indicators of
[A] water pollution
[B] air pollution
[C] soil pollution
[D] all of these
Questions No:19
Lichens are ecologically important as they
[A] purify air
[B] are pioneers of ecological succession on barren rocks (Lithosere)
[C] are symbionts of algae and fungi
[D] are associated with mycorrhizal roots
Questions No:20
Lichens are found in
[A] xerophytic habitat
[B] mesophytic habitat
[C] aquatic habitat
[D] all of the above
Questions No:21
White rust of crucifers is due to
[A] Albugo Candida (=Cystopus candidus)
[B] Cercospora personata
[C] Phytophthora infestans
[D] Pythium debaryanum
Questions No:22
Deadliest mushroom is
[A] Pleurotus
[B] Amanita
[C] Volvariella
[D] Agaricus