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Biological Classification

Page: 9, Total questions: 181

1 of 15

In some fungi the fusion of two haploid cells immediately results in diploid cells (2n) . however, in other fungi ( ______ & ______ ) an intervening dikaryotic stage .( n+n; two nuclei per cell ) Occurs and such condition is called dikaryon & the phase is called dikaryophase of fungus.

2 of 15

Later, the parental nuclei fuse & cells become ______ .

3 of 15

The fungi form fruiting bodies in which ______ division occurs, leading to formation of haploid spores .

4 of 15

The morphology of the mycelium, mode of spores & ______ form the basis for the division of the kingdom into various classes .

5 of 15

Members of phycomycetes are found in aquatic habitats & on decaying wood in moist & damp places or as ______ .On plants .

6 of 15

The mycelium is ______ & ______ .

7 of 15

Asexual reproduction takes place by ______ ( motile) or by ______ ( non-motile) .these spore are ______ produced in sporangium

8 of 15

A ______ is formed by fusion of two gametes.

9 of 15

These gametes are similar in morphology ( isogamous) or dissimilar ( anisogamous or ______ )

10 of 15

Examples of phycomycetes are mucor, Rhizopus( ______ ) & ______ ( the parasitic fungi on mustard .

11 of 15

Ascomycetes commonly known as ______ . & Mostly are ______ . e.g . Penicillium.or rarely unicellular e.g. yeast ( ______ )

12 of 15

They are saprophytic, ______, parasitic or coprophilous ( growing on dung ) .

13 of 15

Mycelium is ______ & ______

14 of 15

The asexual spores are ______ produced ______ on the special mycelium called ______ .

15 of 15

Conidia on germination produced ______ .