Prepare for NEET Biology Cell Cycle and Cell Division (Meiosis) with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert solutions to understand reduction division, crossing over, and genetic variation.
NEET Questions / Botany / Cell Cycle and Cell Division / Meiosis
The separation of homologous chromosomes, while still connected at chiasmata, is characteristic of which stage?
Leptotene
Zygotene
Pachytene
Diplotene
In which stage of meiosis I does the separation of homologous chromosomes begin?
Prophase I
Metaphase I
Anaphase I
Telophase I
During meiosis, when do the homologous chromosomes start to move towards opposite poles of the cell?
Prophase II
Metaphase I
Anaphase I
Telophase II
Which of the following processes marks the beginning of the reductional division in meiosis?
Pairing of homologous chromosomes in Prophase I
Alignment of homologous chromosomes at the metaphase plate
Separation of homologous chromosomes in Anaphase I
Separation of sister chromatids in Anaphase II
The separation of paired homologous chromosomes begins during:
Anaphase I
Anaphase II
Metaphase I
Prophase I
During meiosis, at which stage does crossing over initiate?
Leptotene
Zygotene
Pachytene
Diplotene
The synaptonemal complex, crucial for crossing over, is fully formed during which stage of meiosis?
Leptotene
Zygotene
Pachytene
Diplotene
Which of the following stages of Prophase I is NOT directly involved in the crossing over process?
Leptotene
Zygotene
Pachytene
Diplotene
Genetic recombination during meiosis is primarily facilitated by events occurring in which sub-stage of Prophase I?
Leptotene
Zygotene
Pachytene
Diakinesis
Arrange the following events of meiosis I in the correct sequence:
(a) Crossing over
(b) Synapsis
(c) Terminalisation of chiasmata
(d) Disappearance of nucleolus
a, b, c, d
b, a, c, d
b, c, a, d
c, b, a, d
