05. Phase of Meiosis and its Significance
Cell cycle and Cell Division

230925 Identify the correct sequence of events during prophase I of meiosis:
(i) Synapsis of homologous chromosomes
(ii) Chromosomes become gradually visible under microscope
(iii) Crossing over between non-sister chromatids of homologous chromosomes
(iv) Terminalisation of chiasmata
(v) Dissolution of synaptonemal complex Choose the correct answer from the options given below:

1 (i), (ii), (iii), (iv), (v)
2 (ii), (iii), (iv), (v), (i)
3 (ii), (i), (iii), (v), (iv)
4 (i), (iii), (iv), (v), (ii)
Cell cycle and Cell Division

230928 Match the following lists :
| List-I | List-II |
| :---: | :---: |
| A) Anaphase I | I) Diad of a cell is formed |
| B) Telophase I | II) Haploid daughter cells are formed |
| C) Anaphase II | III) Homologous chromosomes get separated |
| D) Telophase II | IV) Splitting of centromere in the chromosome |
The correct match is:

1 A - III B - I C - II D - IV
2 A - III B - I C - IV D - II
3 A - III B - IV C - I D - II
4 A - III B - II C - I D - IV
Cell cycle and Cell Division

230924 Assertion (A) : Suitable stage to observe chromosome is metaphase
Reason (R) : In metaphase chromosomes are scattered in cytoplasm
The correct option among the following is

1 (A) and (R) are true. (R) is the correct explanation for \((\mathrm{A})\)
2 (A) and (R) are true, (R) is not the correct explanation for \((\mathrm{A})\)
3 (A) is true but (R) is false
4 (A) is false but (R) is true
Cell cycle and Cell Division

230927 Statement 1: Desynapsy ends at the diakinesis Statement 2: Diakinesis is characterized by the terminilisation

1 Statement 1 is false, statement 2 is true
2 Statement 1 and statement 2 are true
3 Statement 1 is true and statement 2 is false
4 Both statements are false
Cell cycle and Cell Division

230938 Number of bivalents, chromatid tetrads, DNA strands, telomers present in pachytene phase of meiocyte of Maize

1 \(20,20,80,80\)
2 \(20,20,40,80\)
3 \(10,10,40,80\)
4 \(10,20,40,40\)
Cell cycle and Cell Division

230925 Identify the correct sequence of events during prophase I of meiosis:
(i) Synapsis of homologous chromosomes
(ii) Chromosomes become gradually visible under microscope
(iii) Crossing over between non-sister chromatids of homologous chromosomes
(iv) Terminalisation of chiasmata
(v) Dissolution of synaptonemal complex Choose the correct answer from the options given below:

1 (i), (ii), (iii), (iv), (v)
2 (ii), (iii), (iv), (v), (i)
3 (ii), (i), (iii), (v), (iv)
4 (i), (iii), (iv), (v), (ii)
Cell cycle and Cell Division

230928 Match the following lists :
| List-I | List-II |
| :---: | :---: |
| A) Anaphase I | I) Diad of a cell is formed |
| B) Telophase I | II) Haploid daughter cells are formed |
| C) Anaphase II | III) Homologous chromosomes get separated |
| D) Telophase II | IV) Splitting of centromere in the chromosome |
The correct match is:

1 A - III B - I C - II D - IV
2 A - III B - I C - IV D - II
3 A - III B - IV C - I D - II
4 A - III B - II C - I D - IV
Cell cycle and Cell Division

230924 Assertion (A) : Suitable stage to observe chromosome is metaphase
Reason (R) : In metaphase chromosomes are scattered in cytoplasm
The correct option among the following is

1 (A) and (R) are true. (R) is the correct explanation for \((\mathrm{A})\)
2 (A) and (R) are true, (R) is not the correct explanation for \((\mathrm{A})\)
3 (A) is true but (R) is false
4 (A) is false but (R) is true
Cell cycle and Cell Division

230927 Statement 1: Desynapsy ends at the diakinesis Statement 2: Diakinesis is characterized by the terminilisation

1 Statement 1 is false, statement 2 is true
2 Statement 1 and statement 2 are true
3 Statement 1 is true and statement 2 is false
4 Both statements are false
Cell cycle and Cell Division

230938 Number of bivalents, chromatid tetrads, DNA strands, telomers present in pachytene phase of meiocyte of Maize

1 \(20,20,80,80\)
2 \(20,20,40,80\)
3 \(10,10,40,80\)
4 \(10,20,40,40\)
Cell cycle and Cell Division

230925 Identify the correct sequence of events during prophase I of meiosis:
(i) Synapsis of homologous chromosomes
(ii) Chromosomes become gradually visible under microscope
(iii) Crossing over between non-sister chromatids of homologous chromosomes
(iv) Terminalisation of chiasmata
(v) Dissolution of synaptonemal complex Choose the correct answer from the options given below:

1 (i), (ii), (iii), (iv), (v)
2 (ii), (iii), (iv), (v), (i)
3 (ii), (i), (iii), (v), (iv)
4 (i), (iii), (iv), (v), (ii)
Cell cycle and Cell Division

230928 Match the following lists :
| List-I | List-II |
| :---: | :---: |
| A) Anaphase I | I) Diad of a cell is formed |
| B) Telophase I | II) Haploid daughter cells are formed |
| C) Anaphase II | III) Homologous chromosomes get separated |
| D) Telophase II | IV) Splitting of centromere in the chromosome |
The correct match is:

1 A - III B - I C - II D - IV
2 A - III B - I C - IV D - II
3 A - III B - IV C - I D - II
4 A - III B - II C - I D - IV
Cell cycle and Cell Division

230924 Assertion (A) : Suitable stage to observe chromosome is metaphase
Reason (R) : In metaphase chromosomes are scattered in cytoplasm
The correct option among the following is

1 (A) and (R) are true. (R) is the correct explanation for \((\mathrm{A})\)
2 (A) and (R) are true, (R) is not the correct explanation for \((\mathrm{A})\)
3 (A) is true but (R) is false
4 (A) is false but (R) is true
Cell cycle and Cell Division

230927 Statement 1: Desynapsy ends at the diakinesis Statement 2: Diakinesis is characterized by the terminilisation

1 Statement 1 is false, statement 2 is true
2 Statement 1 and statement 2 are true
3 Statement 1 is true and statement 2 is false
4 Both statements are false
Cell cycle and Cell Division

230938 Number of bivalents, chromatid tetrads, DNA strands, telomers present in pachytene phase of meiocyte of Maize

1 \(20,20,80,80\)
2 \(20,20,40,80\)
3 \(10,10,40,80\)
4 \(10,20,40,40\)
Cell cycle and Cell Division

230925 Identify the correct sequence of events during prophase I of meiosis:
(i) Synapsis of homologous chromosomes
(ii) Chromosomes become gradually visible under microscope
(iii) Crossing over between non-sister chromatids of homologous chromosomes
(iv) Terminalisation of chiasmata
(v) Dissolution of synaptonemal complex Choose the correct answer from the options given below:

1 (i), (ii), (iii), (iv), (v)
2 (ii), (iii), (iv), (v), (i)
3 (ii), (i), (iii), (v), (iv)
4 (i), (iii), (iv), (v), (ii)
Cell cycle and Cell Division

230928 Match the following lists :
| List-I | List-II |
| :---: | :---: |
| A) Anaphase I | I) Diad of a cell is formed |
| B) Telophase I | II) Haploid daughter cells are formed |
| C) Anaphase II | III) Homologous chromosomes get separated |
| D) Telophase II | IV) Splitting of centromere in the chromosome |
The correct match is:

1 A - III B - I C - II D - IV
2 A - III B - I C - IV D - II
3 A - III B - IV C - I D - II
4 A - III B - II C - I D - IV
Cell cycle and Cell Division

230924 Assertion (A) : Suitable stage to observe chromosome is metaphase
Reason (R) : In metaphase chromosomes are scattered in cytoplasm
The correct option among the following is

1 (A) and (R) are true. (R) is the correct explanation for \((\mathrm{A})\)
2 (A) and (R) are true, (R) is not the correct explanation for \((\mathrm{A})\)
3 (A) is true but (R) is false
4 (A) is false but (R) is true
Cell cycle and Cell Division

230927 Statement 1: Desynapsy ends at the diakinesis Statement 2: Diakinesis is characterized by the terminilisation

1 Statement 1 is false, statement 2 is true
2 Statement 1 and statement 2 are true
3 Statement 1 is true and statement 2 is false
4 Both statements are false
Cell cycle and Cell Division

230938 Number of bivalents, chromatid tetrads, DNA strands, telomers present in pachytene phase of meiocyte of Maize

1 \(20,20,80,80\)
2 \(20,20,40,80\)
3 \(10,10,40,80\)
4 \(10,20,40,40\)
Cell cycle and Cell Division

230925 Identify the correct sequence of events during prophase I of meiosis:
(i) Synapsis of homologous chromosomes
(ii) Chromosomes become gradually visible under microscope
(iii) Crossing over between non-sister chromatids of homologous chromosomes
(iv) Terminalisation of chiasmata
(v) Dissolution of synaptonemal complex Choose the correct answer from the options given below:

1 (i), (ii), (iii), (iv), (v)
2 (ii), (iii), (iv), (v), (i)
3 (ii), (i), (iii), (v), (iv)
4 (i), (iii), (iv), (v), (ii)
Cell cycle and Cell Division

230928 Match the following lists :
| List-I | List-II |
| :---: | :---: |
| A) Anaphase I | I) Diad of a cell is formed |
| B) Telophase I | II) Haploid daughter cells are formed |
| C) Anaphase II | III) Homologous chromosomes get separated |
| D) Telophase II | IV) Splitting of centromere in the chromosome |
The correct match is:

1 A - III B - I C - II D - IV
2 A - III B - I C - IV D - II
3 A - III B - IV C - I D - II
4 A - III B - II C - I D - IV
Cell cycle and Cell Division

230924 Assertion (A) : Suitable stage to observe chromosome is metaphase
Reason (R) : In metaphase chromosomes are scattered in cytoplasm
The correct option among the following is

1 (A) and (R) are true. (R) is the correct explanation for \((\mathrm{A})\)
2 (A) and (R) are true, (R) is not the correct explanation for \((\mathrm{A})\)
3 (A) is true but (R) is false
4 (A) is false but (R) is true
Cell cycle and Cell Division

230927 Statement 1: Desynapsy ends at the diakinesis Statement 2: Diakinesis is characterized by the terminilisation

1 Statement 1 is false, statement 2 is true
2 Statement 1 and statement 2 are true
3 Statement 1 is true and statement 2 is false
4 Both statements are false
Cell cycle and Cell Division

230938 Number of bivalents, chromatid tetrads, DNA strands, telomers present in pachytene phase of meiocyte of Maize

1 \(20,20,80,80\)
2 \(20,20,40,80\)
3 \(10,10,40,80\)
4 \(10,20,40,40\)