Match the following with respect to meiosis:
a. Zygotene i. Terminalization
b. Pachytene ii. Chiasmata
c. Diplotene iii. Crossing over
d. Diakinesis iv. Synapsis
Select the correct option from the following:
(a) (b) (c) (d)
1. iv iii ii i
2. i ii iv iii
3. ii iv iii i
4. iii iv i ii
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDissolution of the synaptonemal complex occurs during :
(1) Zygote
(2) Diplotene
(3) Leptotene
(4) Pachytene
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify the correct statement with regard to phase (Gap 1) of interphase.
1. The reorganisation of all cell components takes place.
2. The cell is metabolically active, grow but does not replicate its DNA
3. Nuclear Division takes place
4. DNA synthesis or replication takes place.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySome dividing cells exit the cell cycle and enter the vegetative inactive stage. This is called the quiescent stage . This process occurs at the end of:
1.
2. S phase
3.
4. M phase
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAttachment of spindle fibers to kinetochores of chromosomes becomes evident in :
1. Anaphase
2. Telophase
3. Prophase
4. Metaphase
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDuring Meiosis 1, in which stage synapsis takes place?
1. Pachytene
2. Zygotene
3. Diplotene
4. Leptotene
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the following events that occur in their respective phases of cell cycle and select the correct option :
(a) G 1 phase (i) Cell grows and organelle duplication
(b) S phase (ii) DNA replication and chromosome duplication
(c) G 2 phase (iii) Cytoplasmic growth
(d) Metaphase in M-phase (iv) Alignment of chromosomes
1. (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
2. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
3. (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
4. (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCrossing over takes place between which chromatids and in which stage of the cell cycle?
1. Non-sister chromatids of non-homologous chromosomes at Zygotene stage of prophase I.
2. Non-sister chromatids of homologous chromosomes at Pachytene stage of prophase I.
3. Non-sister chromatids of homologous chromosomes at Zygotene stage of prophase I.
4. Non-sister chromatids of non-homologous chromosomes at Pachytene stage of prophase I.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAfter meiosis I, the resultant daughter cells have
1. same amount of DNA as in the parent cell in S
2. twice the amount of DNA in comparison to haploid
3. same amount of DNA in comparison to haploid gamete
4. four times the amount of DNA in comparison to haploid gamete
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following stages of meiosis involves division of centromere?
(1) Anaphase II
(2) Telophase II
(3) Metaphase I
(4) Metaphase II
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology