TEST 1 MIC 206 6^th August 2008 (Revision Question)

By:                   Khairul Anwar Bin Abu Mansor

                        Faculty Of Applied Science; Universiti Teknologi MARA Malaysia

1.       Define these terms :-

a.       Teleomorph

The sexual stage in the life cycle of a fungus that has both sexual and asexual states

b.      Mycelium

Mass of hyphae constituting the body (thallus) of a fungus.

c.       Negative staining

d.      Condiophore

A simple or branched hypha arising from a somatic hypha and bearing at its tip or side one or more conidiogenous cells; previously used interchangeably with conidiogenous cell.

e.      Saprophytic fungi

f.        Woronin bodies

An electron-dense, spherical body found in the hyphae of Ascomycota and many Deutromycetes; Woronin bodies are usually concentrated near septa.

2.       List one (1) difference and one (1) smillarity between Saccharomyces cerevisiae and Penicillium italicum.

3.       List two (2) differences between the two divisions Eumycota ( True Fungi ) and Myxomycota ( Slime Moulds )

4.       List two (2) basic features of Chytridiomycetes and name one (1) Chytridiomycete

5.       State one (1) special feature of a zygomycete

It’s produce zygospore

6.       Describe with the aid of diagram the asexual reproduction of the Zygomycete, Rhizopus stolonifera (Hint! Besides the descriptions, relevant diagram with labels will also be given marks)

7.       Write short notes on the condition called histoplasmosis

8.       Name one (1) Deutromycete that is a plant pathogen and one (1) that is an animal pathogen (Note which is which)

9.       Describe the economic importance of Aspergillus

Aspergillus is able to utilize enormous varieties of substances for food as they produce a large number of enzymes.

10.   State one (1) difference between moulds and yeasts