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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
The points of crossing over in meiosis appear asA. Synaptinemal complexesB. Protein axesC. ChiasmataD. Diakinesis |
| Answer» Correct Answer - C | |
| 52. |
During cell cycle, two molecules of DNA are present in chromosome duringA. `G_(1)`-phaseB. Beginning of S-phaseC. `G_(2)`phaseD. End of M-phase |
| Answer» Correct Answer - C | |
| 53. |
Kinetochore isA. Granule within centromereB. Surface of centromereC. Constriction near chromosome endD. End of chromosome |
| Answer» Correct Answer - B | |
| 54. |
Variations appear during meiosis due to 1 . Independent assortment 2. Crossing over 3. Linkage 4. Glycolysis Select the correct codeA. Independent assortmentB. Crossing overC. Both A and BD. Linkagess |
| Answer» Correct Answer - C | |
| 55. |
The chemical substances found most abundantly in the middle lamella is released into the phragmoplast byA. Spindle fragmentsB. Interzonal fibresC. Endoplasmic reticulumD. Golgi complex. |
| Answer» Correct Answer - D | |
| 56. |
Beet root is coloured because of the presence ofA. Anthocyanin in cytoplasmB. Anthocyanin in vacuoleC. Anthocyanin in chromoplastsD. Carotenoids of chromoplasts. |
| Answer» Correct Answer - B | |
| 57. |
Polished rice has less protein due toA. Removal of aleurone layerB. Denaturation of protein by polishC. Heat treatment that causes destruction of proteinsD. Both B and C. |
| Answer» Correct Answer - A | |
| 58. |
Idioblast isA. A dissimilar cell with inclusionsB. A cell without inclusionsC. Cell inclusionD. Cell organelle. |
| Answer» Correct Answer - A | |
| 59. |
At the time of fission, meganucleus of Paramecium undergoesA. DispersionB. MitosisC. AmitosisD. Budding |
| Answer» Correct Answer - C | |
| 60. |
The complex formed by a pair of synapsed homologous chromosomes is calledA. AxonemeB. Equatorial plateC. KinetochoreD. Bivalent |
| Answer» Correct Answer - D | |
| 61. |
Yeast cell can progress through the cell cycle in aboutA. 30 minutesB. 60 minutesC. 90 minutesD. 120 minutes |
| Answer» Correct Answer - C | |
| 62. |
Who found that new cells develop from preexisting cells ?A. RemakB. VirchowC. Prevost and DumasD. Strasburger |
| Answer» Correct Answer - A | |
| 63. |
Cellophane is derived fromA. PlasticB. ProteinC. CelluloseD. Lipid |
| Answer» Correct Answer - C | |
| 64. |
Meiosis II performsA. Separation of sex chromosomesB. Synthesis of DNA and centromereC. Separation of homologous chromosomesD. Separation of chromatids |
| Answer» Correct Answer - D | |
| 65. |
Cell Lineage 'all cells are derived from preexisting cells' is the famous generalisation ofA. VirchowB. SchleidenC. SchwannD. Lamarck |
| Answer» Correct Answer - A | |
| 66. |
Segregation of mendelian factors (As) occurs duringA. DiploteneB. Anaphase IC. Zygotene/PachyteneD. Anaphase II |
| Answer» Correct Answer - B | |
| 67. |
At metaphase, chromosmes are attached to the spindle fibres by theirA. CentrosomeB. ChromomereC. ChromonemaD. Kinetochore |
| Answer» Correct Answer - D | |
| 68. |
Father of ATP cycle isA. GaltonB. BergC. LipmanD. Alec Jeffreys |
| Answer» Correct Answer - C | |
| 69. |
The check point in cell cycle plays important role inA. Repair of DNA damageB. Apoptosis initiationC. Assess DNA damageD. Inhibit cell damage |
| Answer» Correct Answer - C | |
| 70. |
Which is the longest phase of cell cycleA. M-phaseB. InterphaseC. LeptoteneD. S-phase. |
| Answer» Correct Answer - B | |
| 71. |
Meiosis can be studied in angiosperms inA. Dividing pollen mother cells in antherB. Dividing cells of vascular cambiumC. Shoot apical meristemD. Root apical meristem |
| Answer» Correct Answer - A | |
| 72. |
Poleward movement of dyads occurs duringA. AnaphaseB. Anaphase IC. Anaphase IID. Telophase |
| Answer» Correct Answer - B | |
| 73. |
In idiogran of Drosophila, sex chromosomes are shownA. In the beginningB. At number two positionC. At number three positionD. At the end. |
| Answer» Correct Answer - a | |
| 74. |
Leptotene chromosomes haveA. Two chromatidsB. One chromatidC. Four chromatidsD. No chromatid. |
| Answer» Correct Answer - A | |
| 75. |
Chromosomes appear beaded duringA. PachyteneB. LeptoteneC. DiakinesisD. Diplotene |
| Answer» Correct Answer - B | |
| 76. |
Chromosomes can be counted best at the stage ofA. TelophaseB. Late AnaphaseC. MetaphaseD. Late Prophase |
| Answer» Correct Answer - C | |
| 77. |
Significance of mitosis is inA. Increasing cellular massB. Swift divisionC. Occurrence in every tissue of bodyD. Producing cells genetically similar to parent cell |
| Answer» Correct Answer - D | |
| 78. |
Tetrad is made ofA. Four homologous chromosomes with four chromatidsB. Two homologous chromosomes, each with two chromatidsC. Four non-homologous chromatidsD. Four non-homologous chromosomes |
| Answer» Correct Answer - B | |
| 79. |
Meiosis was discovered byA. StrasburgerB. HofmeisterC. SuttonD. Amici |
| Answer» Correct Answer - C | |
| 80. |
Number of erthyrocytes formed per hour isA. 1 millionB. 90 millionC. 1000 millionD. 9000 million |
| Answer» Correct Answer - D | |
| 81. |
During interphase, RNA and proteins are synthesized inA. S-phaseB. `G_(1)`-phaseC. `G_(2)`-phaseD. Both B and C. |
| Answer» Correct Answer - D | |
| 82. |
The number of mitotic cell division required to produce 256 cells from single cell would beA. 128B. 64C. 32D. 8 |
| Answer» Correct Answer - D | |
| 83. |
Synthesis of histone proteins occurs inA. `G_(1)`-phaseB. `G_(2)`-phaseC. S-phaseD. Prophase |
| Answer» Correct Answer - C | |
| 84. |
Bead-like thickened portions of leptotene chromosomes areA. PuffsB. ChromomeresC. CentromeresD. Genes |
| Answer» Correct Answer - B | |
| 85. |
Promitosis isA. AmitosisB. `G_(1)`C. `G_(2)`D. Intranuclear mitosis |
| Answer» Correct Answer - D | |
| 86. |
Where cen we study mitosis ?A. Nail baseB. BrainC. LegsD. Kidneys |
| Answer» Correct Answer - A | |
| 87. |
In leptotene, the chromosomes areA. Attached to nuclear envelope by one endB. Attached to nuclear envelope by both ends directlyC. Attached to nuclear envelope by both ends through attachment plateD. Both B and C. |
| Answer» Correct Answer - C | |
| 88. |
Chromatin fibres are observed only in theA. ProphaseB. MetaphaseC. TelophaseD. Interphase |
| Answer» Correct Answer - D | |
| 89. |
During prophase, chromosomes areA. Large and coiledB. Large and straightC. Thick and uncoiledD. Thick and straight |
| Answer» Correct Answer - A | |
| 90. |
Disjunction isA. Chromosome aberration involving deletionB. Modification of gene action by a non-allelic geneC. Separation of homologous chromosomes at anaphaseD. Incompatibility of genes |
| Answer» Correct Answer - C | |
| 91. |
`G_(1)` stage of interphase of cell cycle showsA. Active synthesis of DNAB. Active synthesis of RNAC. Active synthesis of proteinD. Both B and C. |
| Answer» Correct Answer - D | |
| 92. |
The decision for cell division is takenA. `G_(1)`-phaseB. S-phaseC. `G_(2)`-phaseD. `G_(2)`-phase |
| Answer» Correct Answer - B | |
| 93. |
Disjunction isA. Chromosome separation during mitosisB. Chromosome separation during prophase IC. Chromosome separation in anaphase ID. Chromosome separation during metaphase I |
| Answer» Correct Answer - C | |
| 94. |
Genome isA. Genes of haploid set of chromosomesB. Genes of diploid set of chromosomesC. A single chromosomeD. None of the above |
| Answer» Correct Answer - A | |
| 95. |
The number of chromosome groups at the equatorial plate in metaphase-I of meiosis in a plant with 2n=50 shall beA. 25B. 50C. 100D. 75 |
| Answer» Correct Answer - A | |
| 96. |
The cell size doubles in a stage of cell cycle calledA. MB. `G_(2)`C. SD. `G_(1)` |
| Answer» Correct Answer - D | |
| 97. |
Oogenesis is an example ofA. MitosisB. MeiosisC. Specialisation of cellD. DNA replication |
| Answer» Correct Answer - B | |
| 98. |
Each cell grows during the cell cycle inA. InterphaseB. ProphaseC. MetaphaseD. Anaphase |
| Answer» Correct Answer - A | |
| 99. |
Chiasmata are formed duringA. ZygoteneB. PachyteneC. DiploteneD. Leptotene |
| Answer» Correct Answer - C | |
| 100. |
In which the number of chromosomes is halved ?A. MitosisB. AmitosissC. MeiosisD. Fertilisation |
| Answer» Correct Answer - C | |