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51.

The fungus growing frequently on stale bread is known asA. Rhizopus stoloniferB. Penicillium notatumC. Agaricus campestrisD. Aspergillus fumgatus

Answer» Correct Answer - A
Discussion
52.

A sprophyte which can also become a parasite is known asA. facultative saprophyteB. facultative parasiteC. obligate saprophyteD. obigate parasite

Answer» Correct Answer - B
Discussion
53.

Fungi differ from othe kingdoms in beingA. unicellular decomposersB. unicellular consumersC. multicellular decomposersD. multicellular consumers

Answer» Correct Answer - C
Discussion
54.

The dikaryon in basidiomycetes is indicative ofA. karyogamyB. plasmogamyC. isogamyD. syngamy

Answer» Correct Answer - B
Discussion
55.

Which pair belongs to basidiomycetes?A. Peziza and stink hornsB. Morchella and mushroomsC. Puff balls and Amanita sp.D. Puff balls and Claviceps

Answer» Correct Answer - C
Discussion
56.

Saccharomyces is used inA. pasteurizationB. preservationC. TanningD. bakery and wine

Answer» Correct Answer - D
Discussion
57.

Yeast (Saccharomyces cerevisiae) is used in the industrial production ofA. citric acidB. tetracyclineC. ethanolD. butanol

Answer» Correct Answer - C
(c) Yeast contains an enzyme zymase which catalyse the fermentation of sugar to form ethyl alcohol (ethanol) and `C_O_(2)` .
Discussion
58.

Puccinia formsA. uredia and aecia on wheat leavesB. uredia and telia on wheat leavesC. uredia and aecia on barbery leavesD. uredia and pycnia on barbery leaves

Answer» Correct Answer - B
(b) Puccinia graminis tritici (fungus) causes black rust of wheat. Itt forms Urediospores (uredia) and teleutospores (telia) on wheat leaves.
Discussion
59.

Fusion between two morphologically similar but physiologically and genetically different thali of opposite strains in fungus is known asA. homothallismB. anisogamousC. heterothallismD. isogamous

Answer» Correct Answer - C
Discussion
60.

An example in which reproductive structues lack a layer of sterile vegetative cells surrounding the egg isA. FunariaB. YeastC. RicciaD. Cycas

Answer» Correct Answer - B
Discussion
61.

A carcinogen present in the mould Aspergillus flavus which grows in ground nuts and storage grains isA. PhenacetinB. vinyl chlorideC. AflatoxinD. Benzidine

Answer» Correct Answer - C
Discussion
62.

Binucleate spores of Puccinia graminis released from Barberis (Barberry) leaf and responsible for initial infection in a wheat plant are called asA. pycnisporesB. aeciosporesC. uredosporesD. teleutospores

Answer» Correct Answer - B
Discussion
63.

Mycorrhiza is found inA. oligotrophic soilB. eutrophic soilC. both (1) and (2)D. none

Answer» Correct Answer - A
Discussion
64.

Mycorrhiza isA. symbiotic association of a soil fungus and roots of higher plantsB. parasite association between a fungus and roots of seeded plantsC. saprophytic association between a fungus and roots of seeded plantsD. symbiotic assocation between an algae and fungi

Answer» Correct Answer - A
Discussion
65.

Where does meiosis occur in mushroom?A. In basidiocapB. In basidiumC. paraphysisD. Gills

Answer» Correct Answer - B
Discussion
66.

Match column I with column II and select the correct option. `{:(,"Column I " ("Kingdom"),,"Column II "("Class"),),((A),"Morels",1.,"Deuteromycetes",),((B),"Smut",2.,"Ascomycetes",),((C ),"Bread mould",3.,"Basidiomycetes",),((D),"Imperfect fungi",4.,"Phycomycetes",):}`A. A-3, B-4, C-1, D-2B. A-2, B-3, C-4, D-1C. A-3, B-4, C-2, D-1D. A-2, B-1, C-4, D-3

Answer» Correct Answer - B
Discussion