The complex formed by a pair of synapsed homologous chromosomes is called
1. equatorial plate
2. Kinetochore
3. bivalent
4. axoneme
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySynapsis occurs between
1. a male and a female gamete
2. mRNA and ribosomes
3. spindle fibres and centromere
4. two homologous chromosomes
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDuring gamete formation, the enzyme recombinase participates during
1. Metaphase-I
2. Anaphase-II
3. Prophase-I
4. Prophase-II
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyReduction in the number of chromosomes occurs during
1. Diplotene
2. Diakinesis
3. Metaphase I
4. Anaphase I
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is not a characteristic feature during mitosis in somatic cells
1. Disappearance of nucleolus
2. Chromosome movement
3. Synapsis
4. Spindle fibres
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyBivalent align on the equator during
1. Metaphase I of meiosis
2. Anaphase I of meiosis
3. Metaphase of mitosis
4. Anaphase of mitosis
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the Column I with Column II –
|
Column-I |
|
Column-II |
1. |
Terminalization of chiasmata |
A. |
Zygotene |
2. |
Synapsis |
B. |
Diplotene |
3. |
Crossing over |
C. |
Metaphase I |
4. |
Dissolution of synaptonemal complex |
D. |
Diakinesis |
5. |
Best stage for the study of chiasmata |
E. |
Pachytene |
6. |
Nuclear membrane and nucleolus disappear |
|
|
7. |
Tetrads are arranged on equatorial line |
|
|
1. A – 2, B – 4,5, C – 7, D – 1,6, E – 3
2. A – 2, B – 3, C – 7, D – 1, 4, 6, E – 5
3. A – 2, B – 7, C – 3, D – 1, 4, 5, E – 6
4. A – 2, B – 1, C – 4, D – 5, 3, E – 6
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is characteristic of prophase I of meiosis I:-
1. Synapsis in zygotene, genetically different chromatid are seen in pachytene
2. Exchange of genes in leptotene, genetically similar chromatids are seen in zygotene.
3. Chiasmata are present in metaphase
4. Splitting of centromere in anaphase-I
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFollowing are the events occurs during meiosis :
(A) Appearance of chiasmata
(B) Synapsis
(C) Assembly of meiotic spindle
(D) Use of recombinase enzyme
Choose the correct sequence :-
1. ABCD
2. BDAC
3. DCBA
4. BCAD
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology