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Cell Cycle and Cell Division

AIPMT 2000MCQEasy📈 Topic in 62% papers+4−1
Ques. 1AIPMT 2000

In which stage of cell cycle, DNA replication occurs?

  1. G1-phase
  2. S-phase
  3. G2-phase
  4. M-phase

Answer

(2) S-phase

Solution

As per NCERT, interphase is divided into G1 phase, S phase (synthesis) and G2 phase.

⇒ S or synthesis phase marks the period during which DNA synthesis or replication takes place; the amount of DNA per cell doubles (2C → 4C), but the chromosome number does not change.

∴ DNA replication occurs in the S-phase.

Answer: (2)

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Ques. 2NEET (UG) 2026

Match List I with List II :

  1. A-III, B-IV, C-I, D-II
  2. A-IV, B-I, C-II, D-III
  3. A-I, B-II, C-III, D-IV
  4. A-II, B-III, C-IV, D-I
Ques. 3NEET (UG) 2026

In which animal do haploid cells divide mitotically to produce gametes ?

  1. Male honeybees
  2. Male grasshoppers
  3. Male earthworms
  4. Male frogs
Ques. 4RE-NEET (UG) 2026

Given below are two statements: In the light of the above statements, choose the most appropriate answer from the options given below:

  1. Statement I is incorrect, but Statement II is true
  2. Both Statement I and Statement II are true
  3. Both Statement I and Statement II are false
  4. Statement I is correct, but Statement II is false
Ques. 5RE-NEET (UG) 2026

The correct sequence of adult cell cycle phases is .

  1. S-M-G2-G1
  2. G1-G2-S-M
  3. G1-M-G2-S
  4. G1-S-G2-M
Ques. 6NEET (UG) 2025

What is the main function of the spindle fibers during mitosis?

  1. To repair damaged DNA
  2. To regulate cell growth
  3. To separate the chromosomes
  4. To synthesize new DNA
Ques. 7NEET (UG) 2024

Spindle fibers attach to kinetochores of chromosomes during

  1. Prophase
  2. Metaphase
  3. Anaphase
  4. Telophase
Ques. 8NEET (UG) 2024

Given below are two statements: In the light of the above statements, choose the correct answer from the options given below:

  1. Both Statement I and Statement II are true
  2. Both Statement I and Statement II are false
  3. Statement I is true but Statement II is false
  4. Statement I is false but Statement II is true
Ques. 9NEET (UG) 2024

Following are the stages of cell division : Choose the correct sequence of stages from the options given below :

  1. C-E-D-A-B
  2. E-B-D-A-C
  3. B-D-E-A-C
  4. E-C-A-D-B
Ques. 10NEET (UG) 2024

Match List I with List II : Choose the correct answer from the options given below

  1. A-IV, B-II, C-III, D-I
  2. A-I, B-II, C-IV, D-III
  3. A-II, B-IV, C-I, D-III
  4. A-IV, B-III, C-II, D-I
Ques. 11RE-NEET (UG) 2024

Recombination between homologous chromosomes is completed by the end of

  1. Diakinesis
  2. Zygotene
  3. Diplotene
  4. Pachytene

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