- 1(current)
Q. No.Regarding the genetic material in prokaryotes:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | The main chromosomal DNA is linear |
| II: | Plasmid DNA is circular |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Â Details of Prokaryotic Cell Structure |
 64%
From NCERT
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Consider the two statements:
| Statement I: | Besides flagella, Pili and Fimbriae are also surface structures of the bacteria but do not play a role in motility. |
| Statement II: | Pili and fimbriae help attach the bacteria to rocks in streams and also to the host tissues. |
| 1. | Statement I is correct; Statement II is correct |
| 2. | Statement I is correct; Statement II is incorrect |
| 3. | Statement I is incorrect; Statement II is correct |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Â Details of Prokaryotic Cell Structure |
From NCERT
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Some of the functions of eukaryotic cells [like electron transport for ATP synthesis] are performed in prokaryotic cells by
| 1. | vesicles | 2. | ribosomes |
| 3. | nucleoid | 4. | the plasma membrane |
Subtopic: Â Prokaryotic Cell Organisation |Â Details of Prokaryotic Cell Structure |
 55%
From NCERT
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A feature unique to prokaryotes would be:
1. A cell wall not made up of cellulose
2. An extrachromosomal plasmid DNA
3. A cell membrane of peptidoglycan
4. Presence of inclusions
Subtopic: Â Prokaryotic Cell Organisation |Â Details of Prokaryotic Cell Structure |
 58%
From NCERT
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Mesosomes in a bacterial cell:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | are formed by the extensions of plasma membrane into the cell. |
| II: | help in cell wall formation, DNA replication and distribution to daughter cells. |
| III: | contain pigments in cyanobacteria. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Â Prokaryotic Cell Organisation |Â Details of Prokaryotic Cell Structure |
 61%
From NCERT
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Consider the given two statements:
Which of the following is correct?
| Statement A: | Glycocalyx in bacteria is always a thick and tough layer, commonly referred to as the capsule. |
| Statement B: | The bacterial cell wall does not contribute to the shape of the cell but only prevents it from collapsing. |
Which of the following is correct?
| 1. | Both Statement A and Statement B are correct. |
| 2. | Both Statement A and Statement B are incorrect. |
| 3. | Statement A is correct but Statement B is incorrect. |
| 4. | Statement A is incorrect but Statement B is correct. |
Subtopic: Â Details of Prokaryotic Cell Structure |
 60%
From NCERT
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Q. No.
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