11th class (Fsc) Biology Unit 8 MCQs
Chapter 8 MCQs 11th Class Biology
Fungi:
1. Which statement about fungal nutrition is not true?
a. Facultative parasitic fungi can grow only on their specific host
b. Some fungi are active predators
c. All fungi require mineral nutrients
d. Some fungi are mutualists
2. Which of the following is major structural component of fungus cell wall?
a. Chitin
b. Cellulose
c. Liginin
d. Peptidoglycan
3. Example of soil dwelling carnivorous fungus is:
a. Pleurotus
b. Arthrobotrys
c. Pencillium
d. Armillaria
4. Fungi are heterotrophs that lack cellulose in their cell wall and contain a chemical found in external skeleton of arthropods:
a. Pectin
b. Cutin
c. Chitin
d. Lignin
5. The principal decomposers of cellulose and lignin are:
a. Fungi
b. Bacteria
c. Protozoans
d. Viruses
6. Which is absent in fungi:
a. Glycogen
b. Chlorophyll II
c. Chitin
d. Hyphae
7. Ecological role of fungi as decomposer is parallel only by:
a. algae
b. Arthropoda
c. Bryophytes
d. Bacteria
8. All fungal nuclei are haploid except for transient diploid:
a. Conidia
b. Spores
c. Zygospores
d. Zygote
9. The cell wall of fungus contain:
a. Calcium carbonate
b. Cellulose
c. None of these
d. Chitin
10. Paramelia is an example of:
a. Crustose lichen
b. Fruticose lichen
c. Moss lichen
d. Foliose lichen
11. The absorptive nutrition of fungi is aided by:
a. They all are parasite
b. Spore formation
c. They form fruiting bodies
d. Their large surface area volume area ratio
12. The fungi which obtain their food from organic matter are called:
a. Heterotrophs
b. Saprotrophs
c. Parasites
d. Autotrophs
13. Most of the visible part of lichen is:
a. Bacteria
b. Fungi
c. Roots
d. Algae
14. The lichen which are leaf like are called:
a. Crustose
b. Foliose
c. All above
d. Fruticose
15. Parasitic fungi directly absorb the nutrient from the living host cytoplasm by:
a. Zygospores
b. Ascospores
c. Basideospores
d. houstoria
16. The mushrooms whose gills glow in the dark:
a. Agaricus
b. Amanita verna
c. Omphalous olearius
d. Truffles
17. Fungi can tolerate wide range of PH from:
a. 2-9
b. 3-8
c. 1-5
d. 4-6
18. 50% or so are found as lichen:
a. Basidiomycota
b. Ascomycota
c. Deuteromycota
d. Zygomycota
19. Symbiotic association between fungi and algae is called:
a. Autotrophs
b. Predator
c. Lichens
d. Parasite
20. The predatory oyster mushroom paralyses the following organisms:
a. Bacteria
b. Nematodes
c. Snails
d. Algae
21. Oyster mushroom is considered as:
a. Carnivoruous fungi
b. Parasitic fungi
c. Mycorrhizal fungi
d. Saprotrophic fungi
22. Parasitic fungi directly absorb nutrients from living host by:
a. Rhizoids
b. Haustoria
c. Gemetangia
d. Roots
23. One example of fruticose lichen is:
a. Lecanor
b. Parmelia
c. Ramalina
d. Basidia
24. Which of the following cells / structures are associated with asexual reproduction in fungi?
a. Zygospores
b. Ascospores
c. Basidiospores
d. Conidia
25. Asexual reproduction in yeast occur by:
a. Budding
b. Conidia
c. Resting spores
d. Fragmentation
26. In fungi spores are produced inside the reproductive structure called:
a. Basidia
b. Conidia
c. Ascocarps
d. Sporangia
27. Despite absence of sexual reproduction, imperfect fungi show special kind of sexual reproduction called as:
a. Conjugation
b. Kayogamy
c. Parasexually
d. Plasmogamy
28. Unicellular yeasts reproduce by:
a. Budding
b. Spores
c. Fragmentation
d. Binary fission
29. One of the following reproductive cells structures are asexual:
a. Ascospores
b. Basidiospores
c. Zygospores
d. Conidia
30. Fungi reproduce asexually by means of:
a. Budding
b. Spores
c. Conidia
d. All of these
31. The group of fungi in which sexual reproduction has not been observed OR Sexual reproduction is absent in :
a. Ascomycota
b. Deteromycota
c. Basidiomycota
d. Zygomycota
32. The Zygomycetes:
a. Have hyphae with out regularly occurring cross walls
b. Produce motile gametes
c. Are haploid throughout their life
d. Both A & C
33. E. coli of fungi are the:
a. Green mold
b. Rusts
c. Yeasts
d. Brown mold
34. An ascus is to ascomycetes as is a ……… to basidiomycetes:
a. Basidium
b. Basidiospore
c. Haustorium
d. Basidiocarp
35. Which statement is not true about deuteromycetes?
a. It is a heterogenous polyphyletic group
b. They are also called imperfect fungi
c. They have both sexual and asexual reproduction
d. Their sexual spores are called conidia
36. The imperfect fungi are also called:
a. Deurteromycetes
b. Basidiomycetes
c. Zygomycetes
d. Ascomycetes
37. Penicillium belongs to:
a. Ascomycetes
b. Basidiomycetes
c. Zygomycetes
d. Deuteromycetes
38. Members of basidiomycota are commonly called:
a. Mushrooms
b. Splitting fungi
c. Molds
d. Morels
39. The most common rust fungi are:
a. Penicillium
b. Ustilago
c. Yeast
d. Puccinia
40. Ustligao species is most common:
a. Yeast
b. Rust fungi
c. Mold
d. Smut fungi
41. Alteranaria is an example of:
a. Basidiomycota
b. Zygomycota
c. Deuteromycota
d. Ascomycota
42. Saccharomyces cerevisiae is the most exploited:
a. Green mold
b. Rust
c. Yeast
d. Brown mold
43. Rust disease is caused by:
a. Rhizopus
b. Puccinia
c. Yeast
d. Ustilago
44. The skeleton of arthropoda is made of:
a. Polysaccharide
b. Cellulose
c. Lignin
d. Chitin
45. Rhizoups belong to which of the following groups: OR Rhizopus belong to the phylum:
a. Zygomycota
b. Ascomycota
c. Basidiomycota
d. Deteromycota
46. Which of the following does not produce conida?
a. Ascomycota
b. Zygomycota
c. None of these
d. Deuteromycota
47. Yeasts are unicellular:
a. Fungi
b. Protozoans
c. Bacteria
d. Algae
48. Louse smut of wheat is caused by the following fungi:
a. Aspergillus
b. Puccinia
c. Ustilage
d. Penicillium
49. Deteromycetes lack:
a. Spores
b. Mycelium
c. Sexual reproduction
d. Asexual reproduction
50. A single mycelium may produce up to a kilometer of new hyphae in only:
a. Fifteen days
b. One day
c. Twenty days
d. Five days
51. Each Ascus comprise ascospores:
a. 12
b. 04
c. 03
d. 08
52. ……… is the largest group of fungi:
a. Ascomycota
b. Basidiomycota
c. Deuteromycota
d. Zygomycota
53. Poisonous mushrooms are called:
a. Toad stools
b. Truffles
c. Agaricus
d. Morels
54. The closest relative of fungi is:
a. Brown algae
b. Animals
c. Vascular plants
d. Slime molds
55. Deadly poisonous fungus is:
a. Morchella
b. Agaricus
c. Amantia
d. Armillaria
56. Which one the following is used for lowering blood cholesterol?
a. Cyclosrporin
b. Griseofulvin
c. Lovastatin
d. Pencillin
57. The ecologically important bio-indicator of air pollution are:
a. Yeast
b. Lichen
c. Viruses
d. Mycorrhizae
58. Agaricus are:
a. Pathogenic fungi
b. Poisonous fungi
c. Parasitic fungi
d. Edible fungi
59. Reindeer moss is a:
a. Moss
b. Fungus
c. Mold
d. Lichen
60. Histoplasmosis caused by spores of fungus is a serious infection of:
a. Lungs
b. Kidney
c. Heat
d. Skin
61. Which of the following fungus is non-edible:
a. Toad stools
b. Mushroom
c. Truffles
d. Morels
62. Brush like arrangement of its conidia is characteristic of:
a. Ustilago
b. Rhizopues
c. Agarieus
d. Penicillium
63. ……… is used to inhibit fungal growth:
a. Cyclosporine
b. Lovastatin
c. Griseofulvin
d. Eergotine
64. Which is used to give flavor, aroma and characteristic colour to the cheese:
a. Yeast
b. Penicillium
c. Neurospora
d. Aspergillius
65. First discovered antibiotic is:
a. Penicillin
b. Lovastatin
c. Ergotine
d. Cyclosporine
66. Antibiotics obtained from a soil fungus and used in organ transplantation for preventing transplant rejection is:
a. Lovastatin
b. Penicillin
c. Ergotine
d. Cyclosporine
67. Lovastatin is used for lowering blood:
a. Cholesterol
b. Pressure
c. Neraspora
d. Glucose
68. The number edible mushroom species are about:
a. 300
b. 100
c. 400
d. 200
69. Citric acid is obtained from:
a. Saccharomyces
b. Penicillium
c. Neurospora
d. Aspergillus
70. The disease caused by a fungus is:
a. Polio
b. Ring worm
c. Small pox
d. Small pox
71. Histoplasmosis is:
a. Lung disease
b. Heat disease
c. Skin disease
d. Kidney disease
72. Carcinogenic aflatoxins are produced by:
a. Neurospora
b. Aspergillus
c. Ustilago
d. Penicillium
73. Which of the following is not symptom of Ergotism?
a. Gangrene
b. Convulsion
c. Indigestion
d. Psychotic delusion
74. Omphalotus olearins is biological name of:
a. Truffle
b. Death angle
c. Jack-o-latern
d. Yeast
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