Select Question Set:
Q. No.Identify the incorrectly matched pair:
1.
Prophase II:
The nuclear membrane disappears by the end of this stage and the chromosomes again become compact.
2.
Metaphase II:
The chromosomes align at the equator and the microtubules from opposite poles of the spindle get attached to the kinetochores of sister chromatids.
3.
Anaphase II:
The homologous chromosomes separate, while sister chromatids remain associated at their centromeres.
4.
Telophase II:
The two groups of chromosomes once again get enclosed by a nuclear envelope
Subtopic: Cell Cycle: Meiosis II |
82%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Assertion(A): Mitosis is called equational division.
Reason(R): The amount of DNA is the same in parent and progeny cells if it is mitosis.
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. (A) is false, but (R) is true.
Reason(R): The amount of DNA is the same in parent and progeny cells if it is mitosis.
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. (A) is false, but (R) is true.
Subtopic: Cell Division: Mitosis (Karyokinesis) |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Assertion(A): Meiosis reduces the chromosome number by half in gametes.
Reason(R): Meiosis is called the reductional division.
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. (A) is false, but (R) is true.
Reason(R): Meiosis is called the reductional division.
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. (A) is false, but (R) is true.
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Assertion(A): Cell growth disturbs the nuclear-cytoplasmic ratio.
Reason(R): The disturbance in the nucleo-cytoplasmic ratio stimulates cell division.
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. (A) is false, but (R) is true.
Reason(R): The disturbance in the nucleo-cytoplasmic ratio stimulates cell division.
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. (A) is false, but (R) is true.
Subtopic: Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Assertion (A): In meiosis II division is equational.
Reason (R): Homologous chromosomes are separated in anaphase II
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.
Reason (R): Homologous chromosomes are separated in anaphase II
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 II |
60%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The cell, undergoing cell division, as shown in the given figure, is at:
1. Early Prophase
2. Transition to Metaphase
3. Anaphase
4. Telophase
1. Early Prophase
2. Transition to Metaphase
3. Anaphase
4. Telophase
Subtopic: Cell Division: Mitosis (Karyokinesis) |
88%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
If a cell had 2N chromosomes and 2C DNA content in G1 phase, what would be the corresponding values at the end of the S phase?
1. 2N, 2C
2. 4N, 2C
3. 2N, 4C
4. 4N, 4C
1. 2N, 2C
2. 4N, 2C
3. 2N, 4C
4. 4N, 4C
Subtopic: Cell Division: Mitosis (Karyokinesis) |
88%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Consider the two statements:
| Statement I: | The interphase represents the phase between two successive M phases and DNA replication takes place in the interphase. |
| Statement II: | The stage between the two meiotic divisions is called interkinesis and there is no replication of DNA during interkinesis. |
| 1. | Statement I is correct; Statement II is correct |
| 2. | Statement I is correct; Statement II is incorrect |
| 3. | Statement I is incorrect; Statement II is correct |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Intro to Cell Cycle & Interphase |
78%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Match the stage of Prophase I given in Column I with the corresponding event in Column II and select the correct match from the codes given:
Codes:
| Column I | Column II | ||
| A | Zygotene | P | Terminalisation of chiasmata |
| B | Pachytene | Q | Appearance of chiasmata |
| C | Diplotene | R | Crossing over |
| D | Diakinesis | S | Pairing of homologues |
| A | B | C | D | |
| 1. | Q | R | P | S |
| 2. | S | R | Q | P |
| 3. | Q | S | R | P |
| 4. | R | S | P | Q |
Subtopic: Cell Cycle: Meiosis I |
89%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
In the 24 hour average duration of cell cycle of a human cell, cell division properly lasts for:
1. only about 1 hour
2. approximately 90 minutes
3. between 4 and 5 hours
4. 95% time of the cell cycle
1. only about 1 hour
2. approximately 90 minutes
3. between 4 and 5 hours
4. 95% time of the cell cycle
Subtopic: Intro to Cell Cycle & Interphase |
83%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Select Question Set:
© 2024 GoodEd Technologies Pvt. Ltd.