Biological classification

Question 1

Fungi used to make bread and bear

Answer 1

Yeast(Ascomycetes: Saccharomyces)

Question 2

Fungi used to make antibiotics

Answer 2

Penicillium(Ascomycetes)

Question 3

Unicellular Fungi

Answer 3

Yeast(Saccharomyces)

Question 4

Composition of fungi cell wall

Answer 4

Chitin + Polysaccharides

Question 5

Symbiotic relationships of fungi

Answer 5

1. Lichens ( algae )
2. Mycorrhiza ( roots of higher plants )

Question 6

Means of the following reproduction types:
1. Vegetative
2. Asexual
3. Sexual

Answer 6

1. Fragmentation, budding, fission
2. Conidia, sporangiospores, zoospores
3. Oospores, ascospores, basidiospores

Question 7

Diakaryotic stage is seen in which fungi classes?

Answer 7

Ascomycetes, Basidiomycetes

Question 8

Basis of division of fungi kingdom into classes?

Answer 8

1. Morphology of mycelium
2. Mode of spore formation
3. Fruiting bodies

Question 9

Which fungi class occurs as obligate parasites of plants?

Answer 9

Phycomycetes

Question 10

Which fungi class show aseptate and coenocytic mycelium?

Answer 10

Phycomycetes

Question 11

Asexual reproduction means in Phycomycetes

Answer 11

1. Zoospores ( motile )
2. Aplanospores ( non motile )

Question 12

Examples of Phycomycetes

Answer 12

RAMP:

Rhizopus(bread mould), Albugo(parasitic fungi on mustard), Mucor- Phycomycetes

Question 13

Which fungi class is called sac fungi

Answer 13

Ascomycetes

Question 14

Which fungi class show both unicellular and multicellular organisms

Answer 14

Ascomycetes

Question 15

Which fungi class has coprophilous organisms?

Answer 15

Ascomycetes

Question 16

Means of asexual reproduction in Ascomycetes and where are the produced?

Answer 16

Conidia; in conidiophores

Question 17

Means of sexual reproduction in Ascomycetes and where are they produced and arranged?

Answer 17

Ascospores produced in sac like asci which are arranged in ascocarps

Question 18

Means of sexual reproduction in Ascomycetes and where are they produced and arranged?

Answer 18

Ascospores produced in sac like asci which are arranged in ascocarps

Question 19

Examples of Ascomycetes

Answer 19

N A C A

Neurospora, Aspergillus, Claviceps

Question 20

Which fungi is extensively used in biochemical and genetic work?

Answer 20

Neurospora

Question 21

Which fungi class contain delicacies like truffles and morels?

Answer 21

Ascomycetes

Question 22

Which fungi class is called the bracket fungi

Answer 22

Basidiomycetes

Question 23

Which fungi class does not show asexual reproduction

Answer 23

Basidiomycetes

Question 24

Which vegetative mean is common in Basidiomycetes

Answer 24

Vegetative: fragmentation

Question 25

Which fungi show sexual reproduction despite of sex organs being absent and how?

Answer 25

Basidiomycetes; Plasmogamy due to fusion of somatic cells —> dikaryon —> basidium —> karyogamy, meiosis —> 4 basidiospores

Question 26

Examples of Basidiomycetes

Answer 26

Aaj main Usse Pareshan raha Agaricus(mushroom), Ustilago(smut), Puccinia(rust fungus)

Question 27

Which fungi class is known as imperfect fungi?

Answer 27

Deuteromycetes

Question 28

Which fungi class does not show asexual and vegetative phases?

Answer 28

Deuteromycetes

Question 29

Which fungi class reproduce only by asexual spores(Conidia)?

Answer 29

Deuteromycetes

Question 30

Which fungi class have organism which are decomposers of litter, and help in mineral cycling?

Answer 30

Deuteromycetes

Question 31

Examples of Deuteromycetes

Answer 31

C A DE T Colletotrichum, Alternaria, Trichoderma

Question 32

Which spores are endogenously produced in fungi?

Answer 32

Zoospores, Aplanospores, Ascospores