Given below are two statements: 
Assertion (A): Meiosis does not occur in haploids cells.
Reason (R): Haploid cells do not form gametes.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Intro to Cell Cycle & Interphase | Cell Cycle: Meiosis I |
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Metaphase I is different from mitotic metaphase as in the later case

1. Two metaphasic plates are formed
2. Tetrads are arranged at the equator
3. Single metaphasic plate is formed
4. Homologous chromosomes get separated from each other
Subtopic:  Cell Division: Mitosis (Karyokinesis) | Cell Cycle: Meiosis I |
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Given below are two statements: 
Assertion (A): During anaphase-1 of meiosis, non-homologous chromosomes separate.
Reason (R): There is splitting of centromere during anaphase-1.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
 63%
From NCERT
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Regarding the diplotene stage of prophase I:
(i) It begins with the dissolution of the synaptonemal complex.
(ii) Homologous chromosomes tend to separate except at the sites of crossing over.
(iii) The recombination nodules become more prominent during diplotene.
Which of the above statements are correct?
1. Only (i) and (ii) are correct
2. Only (ii) and (iii) are correct
3. Only (i) and (iii) are correct
4. (i), (ii) and (iii) are correct
Subtopic:  Cell Cycle: Meiosis I |
 51%
From NCERT
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Select the correct sequence of events occurring during prophase-I of meiosis-I 

(a) Nuclear envelope breakdown 
(b) Synaptonemal complex formation 
(c) Compaction of chromosomes
(d) Terminalisation of chiasmata 
(e) Crossing over 

Choose the most appropriate answer from the options given below: 

1. (c) → (b)  → (e)  → (d)  → (a) 
2. (c) → (a)  → (b)  → (d)  → (e) 
3. (b) → (c)  → (a)  → (d)  → (e) 
4. (c) → (a)  → (b)  → (e)  → (d) 
Subtopic:  Cell Cycle: Meiosis I |
 66%
From NCERT
NEET - 2022
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A researcher is studying a plant species where the haploid number of chromosomes is 12 (n = 12). How many chromosomes would be visible in each daughter cell during metaphase of meiosis I?
1. 24 2. 6
3. 12 4. 18
Subtopic:  Cell Cycle: Meiosis I |
 52%
From NCERT
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In telophase I:
Statement I: The nuclear membrane and nucleolus reappear.
Statement II: The chromosomes reach the extremely extended state of the interphase nucleus.
 
1. Statement I is correct and Statement II is incorrect.
2. Statement I is incorrect and Statement II is incorrect.
3. Statement I is correct and Statement II is correct.
4. Statement I is incorrect and Statement II is correct.
Subtopic:  Cell Cycle: Meiosis I |
 57%
From NCERT
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Consider the given two statements:
Statement I: At Metaphase I the chromosomes align at the equator and the microtubules from opposite poles of the spindle get attached to the kinetochores of sister chromatids.
Statement II: At metaphase II the bivalent chromosomes align on the equatorial plate and microtubules from the opposite poles of the spindle attach to the kinetochore of homologous chromosomes.
 
1. Statement I is correct and Statement II is incorrect.
2. Statement I is incorrect and Statement II is incorrect.
3. Statement I is correct and Statement II is correct.
4. Statement I is incorrect and Statement II is correct.
Subtopic:  Cell Cycle: Meiosis I |
 59%
From NCERT
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The final stage of meiotic prophase I, diakinesis, is marked by:
I: terminalisation of chiasmata
II: decondensation of  chromosomes
III: assembly of the meiotic spindle
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic:  Cell Cycle: Meiosis I |
 59%
From NCERT
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