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This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Centrionles haveA. 9+2arrangement of microtubulesB. 9 peripheral doublet microtubulesC. 2 centrally located microtubulesD. An organisation like the wheel |
| Answer» Correct Answer - D | |
| 2. |
Function of telomers in nucleus isA. Poleward movementB. To initiate the RNA synthesisC. To seal the enad of chromosomeD. To recognise the homologous chromosome |
| Answer» Correct Answer - C | |
| 3. |
Which of the following occurs more than one and less than five in a chromosome?A. ChromatidB. ChromosomeC. CentromereD. Telomere |
| Answer» Correct Answer - D | |
| 4. |
Ribosomes are produced inA. NucleolusB. CytoplamC. MitochondriaD. Golgi body |
| Answer» Correct Answer - A | |
| 5. |
What is true about ribosomes ?A. These are found only in eukaryotic cellsB. These are self- splicin introns of some RNAsC. The prokaryotic ribrosomes are 80S , where "s" stands for sedimentation coefficientD. These are composed of ribonucleic acid and proteins |
| Answer» Correct Answer - D | |
| 6. |
The subunits of ribosomes of a prokaryotic cell areA. 60S and40SB. 20S and 90SC. 50S and 30SD. 30S and 30S |
| Answer» Correct Answer - C | |
| 7. |
Plasma membrane isA. Semipermeable and symmetricB. Selectively permeable , elastic and asymmetricC. Permeable and asymmetricD. Selective permeable with monolayer phospholipids |
| Answer» Correct Answer - B | |
| 8. |
Each centriole has a cart wheel organisation having a whorl of tubulin fibrils at periphery. These peripheral fibrils are composed of how many microtubules?A. 11B. 18C. 9D. 27 |
| Answer» Correct Answer - D | |
| 9. |
Chromatin is essentially composed ofA. DNA onlyB. DNA and histonesC. RNA onlyD. RNA and ribosomes |
| Answer» Correct Answer - B | |
| 10. |
The nucleus of a cell was discovered byA. SchleidenB. SchwannC. Robert BrownD. Camillo Golgi |
| Answer» Correct Answer - C | |
| 11. |
Chromatin found in nucleus was discovered byA. FlemmingB. SchleidenC. SchwannD. Robert Brown |
| Answer» Correct Answer - A | |
| 12. |
The nucleus was discovered by_______inA. Robert Hoole, 1931B. Anton van Leeuwenhoek, 1906C. Robert Brown,1831D. Schleiden, 1981 |
| Answer» Correct Answer - C | |
| 13. |
Robert Hoole discovered the - of a cellA. cell membraneB. NucleusC. cell wallD. cytoplasm |
| Answer» Correct Answer - C | |