Meiosis
Trending Questions
Q.
Where does the process of Karyogamy and meiosis take place in mushrooms?
Q.
What happens to homologs in zygotene and pachytene?
Q. Which fibres are required during anaphase to move chromosomes from equator to the poles?
- Chromosomal fibre
- Interzonal fibre
- Both a and b
- Any protein fibre
Q. Given below is the representation of a certain event at a particular stage of a type of cell division which is this stage:
- Prophase of mitosis
- Both prophase and metaphase of mitosis
- Prophase I during meiosis
- Prophase II during meiosis
Q.
Why is mitosis called equational division?
Q. During ___ , homologous chromosomes separate and dyads move to opposite poles of the spindle.
- Prophase I
- Metaphase I
- Anaphase I
- Anaphase II
Q. If the megaspore mother cell in a flower forms megaspores without undergoing meiosis and if one of the megaspores develops into an embryo sac, the egg cell and central cell formed, respectively, would be
- diploid and haploid
- diploid and tetraploid
- haploid and diploid
- triploid and diploid
Q. In meiosis, division is
- Meiosis I reductional and II equational
- Meiosis I equational and II reductional
- Both reductional
- Both equational
Q.
What is the differentiating event in anaphase, that sets apart mitosis and meiosis?
- When moving towards the poles, sister chromatids do not separate in mitosis, but separate in meiosis
- Chromosomes align equatorially in mitosis but align longitudinally in meiosis
- When moving towards the poles, sister chromatids separate in mitosis, but remain attached in meiosis
- Chiasmata are not cut in mitosis but they are cut in meiosis
Q. Meiosis in a plant occurs when there is a change
- from gametophyte to sporophyte
- from sporophyte to gametophyte
- from gametophyte to gametophyte
- from sporophyte to sporophyte