The imperfect fungi which are decomposer of litter and help in mineral cycling belong to:
1. | Basidiomycetes | 2. | Phycomycetes |
3. | Ascomycetes | 4. | Deuteromycetes |
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Which one of the following statements is wrong?
1. Phycomycetes are also called algal fungi.
2. Cyanobacteria are also called blue-green algae.
3. Golden algae are also called desmids.
4. Eubacteria are also called false bacteria.
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The correct chronology of the steps seen in the sexual cycle in fungi will be:
1. Plasmogamy – Karyogamy – Meiosis in zygote
2. Karyogamy – Plasmogamy – Meiosis in zygote
3. Plasmogamy – Meiosis in zygote – Karyogamy
4. Karyogamy – Meiosis in zygote – Plasmogamy
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Which of the following is not a character of members of Kingdom Fungi?
1. Thalloid body
2. Lacking chlorophyll
3. Store starch as reserve carbohydrates
4. Heterotrophic mode of life
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Identify the incorrectly matched pair:
|
Protozoan |
Group |
1. |
Plasmodium |
Sporozoan |
2. |
Trypanosoma |
Flagellated |
3. |
Balantidium |
Ciliate |
4. |
Giardia |
Amoeboid |
Identify the incorrectly matched pair:
|
Pathogenic Protozoan |
Mode of transmission |
1. |
Leishmania |
Vector borne |
2. |
Trichomonas |
Sexual contact |
3. |
Toxoplasma |
Through placenta |
4. |
Trypanosoma |
Droplet |
Identify the incorrect statement regarding viroids:
1. Viroids are the smallest infectious pathogens known.
2. They are composed solely of a short strand of circular, single-stranded RNA that has no protein coating.
3. The first recognized viroid, the pathogenic agent of the potato spindle tuber disease, was discovered by Theodor Otto Diener.
4. The nucleic acid of viroids codes for only a few proteins.
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Bacteria that obtain energy from light and carbon from the fixation of carbon dioxide, using reducing equivalents from inorganic compounds are called as:
1. | chemolithoautotrophs | 2. | photolithoautotrophs |
3. | photoorganoheterotrophs | 4. | chemolithoheterotrophs |
Identify the incorrect statement regarding Euglena:
1. Euglena's chloroplasts are surrounded by three membranes and contain pyrenoids
2. Euglena has two flagella rooted in basal bodies, one flagellum is very short, and does not protrude from the cell, while the other is relatively long
3. A photosensitive red spot is present towards the anterior end
4. When feeding as a heterotroph, Euglena takes in nutrients by osmotrophy
If you are told that the given diagram shows a single ‘super cell’ that can ‘move’, you would conclude that this must be:
1. A plasmodial slime mould
2. A pathogenic fungus
3. A coenobium of an alga
4. A bioluminescent dinoflagellate