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Q. No.
Assertion(A):
Tendency of parental combinations to remain together is called crossing over.
Reason(R):
Crossing over provides proof in favour of the linear arrangement of genes on chromosomes.
In the following questions, a statement of assertion (A) is followed by a statement of reason (R).
1.
Both (A) & (R) are true and (R) is the correct explanation of (A).
2.
Both (A) & (R) are true but (R) is not the correct explanation of (A).
3.
(A) is a true statement but (R) is false..
4.
Both (A) and (R) are false statements.
Subtopic: Cell Cycle: Meiosis I |
53%
From NCERT
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital
During which phase of mitosis do the chromatids become chromosomes?
| 1. | telophase | 2. | anaphase |
| 3. | prophase | 4. | metaphase |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
From NCERT
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During growth the contents of a nucleus in human body undergo profound changes. How many chromatids does it contain?
1. 96
2. 23
3. 46
4. 92
1. 96
2. 23
3. 46
4. 92
Subtopic: Intro to Cell Cycle & Interphase |
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In the adult animal, most of the cells appear to exhibit division except
1. Liver cells
2. Spleen cells
3. Blood cells
4. Heart cells
1. Liver cells
2. Spleen cells
3. Blood cells
4. Heart cells
Subtopic: Intro to Cell Cycle & Interphase |
85%
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Select correct combination of metaphase characteristics.
Choose the correct answer from the options given below:
1. A, B, D only
2. B, C, D only
3. E only
4. B, C, D, E only
| A. | Condensation of chromosomes is complete |
| B. | Chromosomes are moved to spindle equator |
| C. | Daughter chromosomes begin their migration towards the opposite poles |
| D. | Spindle fibers attach to kinetochores |
| E. | Chromosome moves away from the equatorial plate |
1. A, B, D only
2. B, C, D only
3. E only
4. B, C, D, E only
Subtopic: Cell Division: Mitosis (Karyokinesis) |
84%
From NCERT
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Arrange the following stages of chromosomal behaviour during Prophase-I of meiosis in the correct sequence.
Choose the correct answer from the options given below:
1. E, B, D, A, C
2. C, D, A, E, B
3. E, B, A, C, D
4. D, B, E, A, C
| A. | Appearance of recombination nodules |
| B. | Formation of synaptonemal complex |
| C. | Appearance of chiasmata |
| D. | Terminalisation of chiasmata |
| E. | Beginning of chromosomal compaction |
1. E, B, D, A, C
2. C, D, A, E, B
3. E, B, A, C, D
4. D, B, E, A, C
Subtopic: Cell Cycle: Meiosis I |
88%
From NCERT
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Arrange in correct sequence with respect of Meiosis-I
Choose the correct from the options given below
1. A>B>C>D>E
2. C>E>A>B>D
3. D>B>C>E>A
4. A>D>C>B>E
| A. | Crossing over |
| B. | Chiasmata formation |
| C. | Compaction of chromosome |
| D. | Disappearance of nucleolus and breakdown of nuclear envelop |
| E. | Formation of synaptonemal complex |
1. A>B>C>D>E
2. C>E>A>B>D
3. D>B>C>E>A
4. A>D>C>B>E
Subtopic: Cell Cycle: Meiosis I |
89%
From NCERT
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Hints
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Given below are two statements:
In light of the above statements, choose the most appropriate answer from the options given below:
| Statement I: | In mitosis, chromosomal number in the progeny as well as in parents remains the same |
| Statement II: | Mitosis takes place in gametes |
| 1. | Both statement I and statement II are correct |
| 2. | Both statement I and statement II are incorrect |
| 3. | Statement I is correct but statement II is incorrect |
| 4. | Statement I is incorrect but statement II is correct |
Subtopic: Intro to Cell Cycle & Interphase | Cell Division: Mitosis (Karyokinesis) | Cell Cycle: Meiosis I |
From NCERT
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NEET 2026 - Target Batch - Vital
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To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Arrange the steps of cell division in the correct order
A. Cytokinesis
B. Metaphase
C. Anaphase
D. Telophase
E. Prophase
Choose the correct answer from the options given below
1. E, B, C, A, D
2. A, B, C, D, E
3. E, B, C, D, A
4. A, B, C, E, D
A. Cytokinesis
B. Metaphase
C. Anaphase
D. Telophase
E. Prophase
Choose the correct answer from the options given below
1. E, B, C, A, D
2. A, B, C, D, E
3. E, B, C, D, A
4. A, B, C, E, D
Subtopic: Intro to Cell Cycle & Interphase |
90%
From NCERT
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Consider the following phases of cell cycle
Choose the correct sequence of phases of cell cycle
| A. | S |
| B. | G2 |
| C. | G1 |
| D. | M |
| 1. | C, A, B, D | 2. | D, B, A, C |
| 3. | A, C, B, D | 4. | C, A, D, B |
Subtopic: Intro to Cell Cycle & Interphase |
93%
From NCERT
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