Q. No.The given diagram shows a schematic representation of:
1.
Cell wall of diatoms
2.
Plates on body of dinoflagellates
3.
Pseudoplasmodium
4.
Pellicle of Euglenoids
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Consider the given two statements:
| I: | Mycoplasma are naturally resistant to antibiotics that target cell wall synthesis |
| II: | They are the smallest bacteria discovered yet |
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct but II is incorrect
4. Both I and II are incorrect
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A bacteriophage DNA that has become integrated into the host cell chromosome is called as:
1. intemperate bacteriophages
2. transposons
3. prophages
4. phagemids
Consider the given two statements:
I. Chitin-rich walls of fungi can enhance feeding by absorption
II. Chitin is a strong but flexible polysaccharide
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct but II is incorrect
4. Both I and II are incorrect
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 |
Which of the following metabolism is unique to archaebacteria?
1. Methanogenesis
2. Diazotrophy
3. Photosynthesis
4. Methylotrophy
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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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The stages shown in the diagram given below can be seen during sexual reproduction in:
1. Rhizopus
2. Alternaria
3. Neurospora
4. Agaricus
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