- 1(current)
Q. No.Ascomycetes and Basidiomycetes have many homologies. All the following will be true but:
| 1. | Binucleate ascogenous hyphae of ascomyctes and binucleate secondary hyphae of basidiomycetes |
| 2. | Ascospore and basidiospore |
| 3. | Hook and crosier method in ascomycetes and clamp connection in basidiomycetes |
| 4. | Conidia in ascomycetes and basidiomycetes |
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A symbiotic relation between fungi and the roots of higher plants is called as:
| 1. | Lichen | 2. | Mycorrhiza |
| 3. | Amensal | 4. | Proto-cooperation |
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Yeast is unique amongst the members of Kingdom Fungi because it:
1. reproduces by ascospores
2. is unicellular
3. does not have a chitinous cell wall
4. does not have a sexual mode of reproduction
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A fungus used extensively in biochemical and genetic work is:
| 1. | Neurospora | 2. | Trichoderma |
| 3. | Paecilomyces | 4. | Streptomyces |
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What is not true regarding sexual reproduction in basidiomycetes?
| 1. | Sex organs are well developed |
| 2. | Plasmogamy is brought about by fusion of two vegetative or somatic cells of different strains or genotypes |
| 3. | Karyogamy and meiosis take place in basidium, producing four basidiospores |
| 4. | Basidiospores are produced exogenously on the basidium |
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Rusts and Smuts are the fungi that belong to:
| 1. | Phycomycetes | 2. | Ascomycetes |
| 3. | Basidiomycetes | 4. | Deuteromycetes |
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Which of the following is not a feature of the members of the class Basidiomycetes?
1. Branched and septate mycelium
2. Asexual spores are generally not formed
3. Vegetative reproduction not seen
4. Dikaryon stage commonly seen
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| Statement I: | A is karyogamy; B is plasmogamy and C is meiosis. |
| Statement II: | Though not shown in the figure the fungi belonging to this class reproduced extensively by asexual methods involving conidia. |
2. Statement I is incorrect but Statement II is correct
3. Both Statement I and Statement II are correct
4. Both Statement I and Statement II are incorrect
Match the fungi [Column I] with the Class to which it belongs [Column II] and select the correct answer from the codes given:
|
|
Column I |
|
Column II |
|
A. |
Ustilago tritici |
P. |
Phycomycetes |
|
B. |
Albugo candida |
Q. |
Ascomycetes |
|
C. |
Alternaria solani |
R. |
Basidiomycetes |
|
D. |
Claviceps purpurea |
S. |
Deuteromycetes |
Codes
|
A |
B |
C |
D |
|
|
1. |
R |
P |
S |
Q |
|
2. |
Q |
P |
S |
R |
|
3. |
R |
S |
P |
Q |
|
4. |
Q |
S |
P |
R |
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- 1(current)
Q. No.
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