Take 5 chapter-wise practice tests plus 1 full module test on Cell Cycle and Cell Division for NEET with +4/-1 scoring, answer review, and concise explanations.
Attempt 5 focused chapter practice tests and 1 module test with reframed NEET-style cell cycle questions based on readable botany module content.
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1. The sequence of events from one division to the next is called:
Explanation: Cell cycle includes growth, DNA replication, and division.
2. Interphase is followed by:
Explanation: Interphase prepares the cell for mitotic or meiotic division.
3. Interphase consists of:
Explanation: These are the three main parts of interphase.
4. In G1 phase, the cell mainly:
Explanation: G1 is a major growth phase before DNA replication.
5. DNA replication occurs during:
Explanation: S phase is the synthetic phase where DNA doubles.
6. G2 phase mainly prepares the cell for:
Explanation: G2 includes synthesis of proteins needed for division.
7. Cells that exit the cycle and remain metabolically active without division often enter:
Explanation: G0 is a quiescent stage outside the normal division cycle.
8. A typical example of cells that often stay in G0 is:
Explanation: Many mature neurons generally do not divide and remain quiescent.
9. During S phase, chromosome number generally remains same but DNA content:
Explanation: Each chromosome replicates to form two sister chromatids.
10. Cell cycle checkpoints mainly ensure:
Explanation: Checkpoints maintain fidelity of the cycle.
11. Cell cycle is essential for:
Explanation: It supports increase in cell number and tissue maintenance.
12. Why is interphase called the preparatory phase?
Explanation: Interphase prepares the cell for successful division.
13. The correct order within a normal proliferating cell cycle is:
Explanation: This is the standard sequence of phases.
14. M phase includes:
Explanation: Nuclear division and cytoplasmic division occur in M phase.
15. After S phase, each chromosome consists of:
Explanation: The chromatids remain attached at centromere until separation.
16. Which statement is correct?
Explanation: Phase duration varies across cell types.
17. During interphase, chromosome number remains same until:
Explanation: Replication doubles DNA amount but not chromosome count.
18. The longest part of cell cycle is usually:
Explanation: Cells spend most of their life in interphase.
19. Which pair is correctly matched?
Explanation: The other pairings are incorrect.
20. Which statement is correct?
Explanation: Quiescent cells can remain alive and functional.
21. A cell has 2n chromosomes in G1. After S phase but before mitosis, the correct statement is:
Explanation: Replication forms sister chromatids but does not increase chromosome number until chromatids separate.
22. Revision Booster 1. Recheck this Cell Cycle and Cell Division concept with a fresh option order. The sequence of events from one division to the next is called:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Cell cycle includes growth, DNA replication, and division.
23. Revision Booster 2. Recheck this Cell Cycle and Cell Division concept with a fresh option order. Interphase is followed by:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Interphase prepares the cell for mitotic or meiotic division.
24. Revision Booster 3. Recheck this Cell Cycle and Cell Division concept with a fresh option order. Interphase consists of:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. These are the three main parts of interphase.
25. Revision Booster 4. Recheck this Cell Cycle and Cell Division concept with a fresh option order. In G1 phase, the cell mainly:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. G1 is a major growth phase before DNA replication.
26. Mitosis is an equational division because it:
Explanation: Mitosis produces genetically similar daughter cells.
27. The first visible stage of mitosis is:
Explanation: Chromosome condensation first becomes obvious in prophase.
28. During prophase, chromosomes become:
Explanation: Chromatin condenses into distinct chromosomes.
29. The nuclear envelope generally begins to disappear during:
Explanation: This helps spindle fibres interact with chromosomes.
30. At metaphase, chromosomes are arranged at:
Explanation: Chromosomes align on the metaphase plate.
31. In mitosis, spindle fibres attach to chromosomes at:
Explanation: This attachment allows chromatid movement.
32. Separation of sister chromatids occurs in:
Explanation: At anaphase, centromeres split and chromatids move apart.
33. Nuclear membrane reappears during:
Explanation: Telophase restores daughter nuclei.
34. Division of cytoplasm is called:
Explanation: Karyokinesis is nuclear division, cytokinesis is cytoplasmic division.
35. In animal cells, cytokinesis usually occurs by:
Explanation: A contractile ring pinches the cell into two.
36. In plant cells, cytokinesis generally occurs by formation of:
Explanation: Golgi-derived vesicles form the new partition between daughter cells.
37. Mitosis is especially important for:
Explanation: Somatic cells divide mitotically for body growth and tissue repair.
38. Mitosis helps maintain genetic stability because it:
Explanation: Replicated chromatids separate evenly in mitosis.
39. The correct order of mitotic stages is:
Explanation: This is the standard PMAT order.
40. During metaphase, each chromosome is attached to spindle fibres from:
Explanation: Biorientation ensures correct later separation.
41. Which statement is correct?
Explanation: This allows sister chromatids to separate.
42. Disappearance of nucleolus is typical of:
Explanation: Nucleolus disappears as mitosis begins.
43. At anaphase, each daughter chromosome moves toward:
Explanation: Separated chromatids become daughter chromosomes and migrate apart.
44. Telophase can be considered reverse of prophase because:
Explanation: Structures that disappeared in prophase are restored.
45. Which pair is correctly matched?
Explanation: This correctly matches process and cell type.
46. The best reason metaphase is useful for chromosome studies is:
Explanation: Metaphase chromosomes are easiest to observe and count because they are condensed and organized.
47. Revision Booster 1. Recheck this Cell Cycle and Cell Division concept with a fresh option order. Mitosis is an equational division because it:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Mitosis produces genetically similar daughter cells.
48. Revision Booster 2. Recheck this Cell Cycle and Cell Division concept with a fresh option order. The first visible stage of mitosis is:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Chromosome condensation first becomes obvious in prophase.
49. Revision Booster 3. Recheck this Cell Cycle and Cell Division concept with a fresh option order. During prophase, chromosomes become:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Chromatin condenses into distinct chromosomes.
50. Revision Booster 4. Recheck this Cell Cycle and Cell Division concept with a fresh option order. The nuclear envelope generally begins to disappear during:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. This helps spindle fibres interact with chromosomes.
51. Meiosis is necessary mainly for:
Explanation: Meiosis produces haploid cells for sexual reproduction.
52. Meiosis I is called reductional division because it:
Explanation: Homologous chromosomes separate in meiosis I.
53. Meiosis II is often called:
Explanation: Like mitosis, it separates sister chromatids.
54. Homologous chromosomes separate during:
Explanation: This is the key event of reduction in meiosis I.
55. Sister chromatids separate in:
Explanation: This resembles chromatid separation in mitosis.
56. One diploid meiocyte normally produces how many haploid cells after meiosis?
Explanation: Two meiotic divisions yield four haploid products.
57. DNA replication occurs:
Explanation: There is no second S phase between the two meiotic divisions.
58. Genetic variation in meiosis arises mainly because of:
Explanation: These processes create new gene combinations.
59. Mitosis differs from meiosis because mitosis:
Explanation: Mitosis preserves genetic similarity unlike meiosis.
60. Which statement about meiosis is correct?
Explanation: Haploid gametes restore diploid number after fertilisation.
61. Meiosis usually occurs in:
Explanation: Gamete-producing cells undergo meiosis.
62. After meiosis I, each daughter cell contains:
Explanation: Chromosome number is reduced but chromatids remain paired after meiosis I.
63. The correct order in meiosis I after prophase I is:
Explanation: This follows standard division stage order.
64. Why is meiosis II called equational?
Explanation: Meiosis II separates chromatids without further reducing chromosome number.
65. The most important biological significance of meiosis is:
Explanation: These two outcomes make meiosis essential for sexual reproduction.
66. Independent assortment occurs due to random orientation of homologous pairs at:
Explanation: Random alignment of bivalents generates different chromosome combinations.
67. Which pair is correctly matched?
Explanation: The other pairings are incorrect.
68. Which statement is correct?
Explanation: The two meiotic divisions are consecutive without an intervening S phase.
69. Compared with mitosis, meiosis is more strongly associated with:
Explanation: Meiosis reshuffles genes through recombination and assortment.
70. The best summary is:
Explanation: This captures the main contrast between the two divisions.
71. Reduction in chromosome number during meiosis happens because:
Explanation: The reductional event is separation of homologous chromosomes, not sister chromatids.
72. Revision Booster 1. Recheck this Cell Cycle and Cell Division concept with a fresh option order. Meiosis is necessary mainly for:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Meiosis produces haploid cells for sexual reproduction.
73. Revision Booster 2. Recheck this Cell Cycle and Cell Division concept with a fresh option order. Meiosis I is called reductional division because it:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Homologous chromosomes separate in meiosis I.
74. Revision Booster 3. Recheck this Cell Cycle and Cell Division concept with a fresh option order. Meiosis II is often called:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Like mitosis, it separates sister chromatids.
75. Revision Booster 4. Recheck this Cell Cycle and Cell Division concept with a fresh option order. Homologous chromosomes separate during:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. This is the key event of reduction in meiosis I.
76. The longest and most complex stage of meiosis is:
Explanation: Prophase I contains several substages and key recombination events.
77. The first substage of prophase I is:
Explanation: Leptotene marks initial chromosome condensation.
78. Synapsis of homologous chromosomes occurs during:
Explanation: Homologues begin pairing during zygotene.
79. Paired homologous chromosomes together form a:
Explanation: A bivalent consists of two homologous chromosomes.
80. Crossing over generally occurs during:
Explanation: Exchange of genetic material happens after full synapsis in pachytene.
81. Crossing over occurs between:
Explanation: This produces recombinant chromatids.
82. Chiasmata become visible during:
Explanation: Homologues begin to separate except at chiasmata.
83. A chiasma indicates:
Explanation: Chiasmata mark visible crossover points between homologues.
84. Terminalisation of chiasmata is a feature of:
Explanation: Chiasmata appear to move toward chromosome ends in diakinesis.
85. By the end of diakinesis, the nuclear membrane generally:
Explanation: This allows spindle interaction with chromosomes.
86. A bivalent at metaphase I contains:
Explanation: Each replicated homologue contributes two chromatids.
87. The enzyme-driven exchange of genetic segments between non-sister chromatids is important because it:
Explanation: Crossing over creates new allele combinations.
88. The correct order of prophase I substages is:
Explanation: This is the standard progression through prophase I.
89. Synapsis in zygotene is aided by formation of:
Explanation: This protein structure helps pair homologues closely.
90. If crossing over fails to occur, the immediate consequence is reduction in:
Explanation: Crossing over contributes directly to variation.
91. At metaphase I, bivalents align on:
Explanation: Paired homologues line up at the equator before separation.
92. Centromeres do not split during:
Explanation: Homologues separate while sister chromatids remain together in meiosis I.
93. Which process contributes more directly to new allele combinations within chromosomes?
Explanation: Independent assortment shuffles chromosome combinations, while crossing over recombines segments within chromosomes.
94. Which pair is correctly matched?
Explanation: The other substages are mismatched with their hallmark events.
95. Which statement is correct?
Explanation: This is one of the most tested ideas from meiotic prophase I.
96. Crossing over creates genetic variation because it:
Explanation: This exchange creates recombinant chromatids and new allele combinations.
97. Revision Booster 1. Recheck this Cell Cycle and Cell Division concept with a fresh option order. The longest and most complex stage of meiosis is:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Prophase I contains several substages and key recombination events.
98. Revision Booster 2. Recheck this Cell Cycle and Cell Division concept with a fresh option order. The first substage of prophase I is:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Leptotene marks initial chromosome condensation.
99. Revision Booster 3. Recheck this Cell Cycle and Cell Division concept with a fresh option order. Synapsis of homologous chromosomes occurs during:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Homologues begin pairing during zygotene.
100. Revision Booster 4. Recheck this Cell Cycle and Cell Division concept with a fresh option order. Paired homologous chromosomes together form a:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. A bivalent consists of two homologous chromosomes.
101. Mitosis and meiosis are both preceded by:
Explanation: Both divisions begin after DNA has replicated.
102. Which process is unique to meiosis and absent in mitosis?
Explanation: Homologous pairing is specific to meiosis I.
103. Which process is common to both mitosis and meiosis II?
Explanation: Mitosis and meiosis II are both equational in this sense.
104. Which division directly increases cell number in somatic tissues?
Explanation: Somatic growth and repair depend on mitosis.
105. Which division directly produces haploid gametes?
Explanation: Reduction division forms gametes with half chromosome number.
106. Why is meiosis essential for sexual reproduction?
Explanation: By producing haploid gametes, meiosis preserves species chromosome number after fertilisation.
107. Wound healing in most multicellular organisms depends largely on:
Explanation: New somatic cells for repair arise by mitotic division.
108. The major source of heritable variation among meiotic products is:
Explanation: These together generate new genetic combinations.
109. A diploid cell after mitosis produces daughters that are typically:
Explanation: Mitosis conserves chromosome number.
110. A diploid meiocyte after meiosis produces cells that are:
Explanation: The reduction division halves chromosome number.
111. Which statement is correct?
Explanation: This captures their different biological roles.
112. Alternation between haploid and diploid phases in sexual life cycles depends heavily on:
Explanation: These two processes alternate chromosome level between generations.
113. Which pair is correctly matched?
Explanation: The other matches confuse the functions of the two divisions.
114. Which one is an outcome of mitosis but not meiosis?
Explanation: Mitosis produces similar daughter cells for somatic needs.
115. Which one is an outcome of meiosis but not mitosis?
Explanation: Crossing over and assortment make meiosis uniquely variation-generating.
116. If meiosis were replaced entirely by mitosis in germ cells, the immediate problem would be:
Explanation: This would disrupt normal chromosome restoration after fertilisation.
117. Which statement is correct?
Explanation: This is the clearest comparison between the two.
118. A bivalent is seen in meiosis but not in mitosis because:
Explanation: Bivalent formation depends on synapsis.
119. Which one best explains why mitosis supports asexual reproduction?
Explanation: Clonal propagation is based on mitotic divisions.
120. The strongest overall conclusion from this chapter is:
Explanation: This sums up the conceptual core of the chapter.
121. A cell division that preserves chromosome number and usually produces genetically similar daughter cells is:
Explanation: Mitosis is equational and supports growth, repair, and clonal propagation.
122. Revision Booster 1. Recheck this Cell Cycle and Cell Division concept with a fresh option order. Mitosis and meiosis are both preceded by:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Both divisions begin after DNA has replicated.
123. Revision Booster 2. Recheck this Cell Cycle and Cell Division concept with a fresh option order. Which process is unique to meiosis and absent in mitosis?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Homologous pairing is specific to meiosis I.
124. Revision Booster 3. Recheck this Cell Cycle and Cell Division concept with a fresh option order. Which process is common to both mitosis and meiosis II?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Mitosis and meiosis II are both equational in this sense.
125. Revision Booster 4. Recheck this Cell Cycle and Cell Division concept with a fresh option order. Which division directly increases cell number in somatic tissues?
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Somatic growth and repair depend on mitosis.