- 1(current)
Q. No.Bacterial flagella differ from eukaryotic flagella in that they:
| 1. | Are primarily used for sensory purposes |
| 2. | Are composed of microtubules |
| 3. | Are enclosed in the cell wall |
| 4. | Rotate rather than whip |
Subtopic: Cilia & Flagella |
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A basal body is a part of bacterial:
| 1. | Inclusion bodies | 2. | Chromosomal DNA |
| 3. | Flagellum | 4. | Plasmid |
Subtopic: Cilia & Flagella |
86%
From NCERT
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Identify the appendage present on the surface of some bacterial cells that help attach them to rocks in streams and also to the host tissues:
| 1. | Flagella | 2. | Pili |
| 3. | Fimbriae | 4. | Cilia |
Subtopic: Cilia & Flagella |
83%
From NCERT
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Microtubules, microfilaments and intermediate filaments:
| 1. | are ribonucleoproteins. |
| 2. | are part of cytoskeleton in both eukaryotic and prokaryotic cells. |
| 3. | are involved in many functions such as mechanical support, motility, maintenance of the shape of the eukaryotic cell. |
| 4. | are always deposited on cell surface and are never found in the cytoplasm. |
Subtopic: Cytoskeleton | Cilia & Flagella | Microbodies |
83%
From NCERT
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The given diagram:
1. Both I and II are correct
2. only I is correct
3. only II is correct
4. Both I and II are incorrect
| I: | shows the diagrammatic representation of the ultra-structure of centriole |
| II: | shows the 9 + 2 arrangement of the axonemal microtubules of cilia/flagella |
2. only I is correct
3. only II is correct
4. Both I and II are incorrect
Subtopic: Cilia & Flagella |
65%
From NCERT
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Consider the two statements:
| Statement I: | Both the cilium and the flagellum emerge from centriole-like structure called the basal body. |
| Statement II: | Basal body, centrioles, cilia and flagella have identical arrangement of microtubules in their ultrastructure. |
| 1. | Statement I is correct and Statement II is incorrect |
| 2. | Both Statement I and Statement II are correct but Statement II does not explain Statement I |
| 3. | Both Statement I and Statement II are correct and Statement II correctly explains Statement I |
| 4. | Only Statement II is correct |
Subtopic: Cilia & Flagella |
68%
From NCERT
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Which of the following statement about cilia is not correct?
| 1. | Organised beating of cilia is controlled by fluxes of Ca2+ across the membrane. |
| 2. | Cilia are hair like cellular appendages. |
| 3. | Cilia contain an outer ring of nine doublet microtubules surrounding two singlet microtubules. |
| 4. | Microtubules of cilia are composed of tubulin. |
Subtopic: Cilia & Flagella |
67%
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In the ultrastructure of cilia/ flagella, the radial spokes connect one of the tubules of each peripheral doublet to:
1. the bridge of the central microtubules
2. another tubule to the doublet
3. the central sheath
4. dynein arms
Subtopic: Cilia & Flagella |
66%
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Both cilium and flagellum emerge from centriole-like structure called the:
| 1. | Centrosome | 2. | Centromere |
| 3. | Blepharoplast | 4. | Basal body |
Subtopic: Cilia & Flagella |
77%
From NCERT
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- 1(current)
Q. No.
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