Practice Test Sets (Total Questions: 100)

Topic Practice: Cell Cycle and Cell Division (Test - 2)

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About Cell Cycle and Cell Division MCQ - Test 2

Master Cell Cycle and Cell Division for NEET UG with chapter-wise MCQs, phases of mitosis and meiosis, and high-yield questions to secure top scores in biolo…

This Cell Cycle and Cell Division MCQ practice set is designed for students preparing for school exams and competitive exams. It contains 100 multiple choice questions divided into 2 test sets of up to 50 questions each. Every question has four options, and after answering you can see the correct option, a detailed explanation and how other users answered.

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Sample Cell Cycle and Cell Division Questions

Select the CORRECT chronological sequence of sub-stages of Prophase I in Meiosis I:
- A. Pachytene -> Leptotene -> Zygotene -> Diakinesis -> Diplotene
- B. Zygotene -> Leptotene -> Pachytene -> Diakinesis -> Diplotene
- C. Leptotene -> Pachytene -> Zygotene -> Diplotene -> Diakinesis
- D. Leptotene -> Zygotene -> Pachytene -> Diplotene -> Diakinesis
Match Meiosis I Prophase-I Substages with Key Cytological Events: (A) Zygotene -- (1) Formation of Synaptonemal Complex and pairing of homologous chromosomes (Synapsis) (B) Pachytene -- (2) Crossing over between non-sister chromatids mediated by Recombinase enzyme (C) Diplotene -- (3) Dissolution of synaptonemal complex and appearance of X-shaped Chiasmata (D) Diakinesis -- (4) Terminalisation of chiasmata and breakdown of nuclear envelope
- A. A-1, B-2, C-3, D-4
- B. A-2, B-1, C-4, D-3
- C. A-1, B-3, C-2, D-4
- D. A-4, B-2, C-3, D-1
In which stage of Prophase I do chromosomes become gradually visible under the light microscope with compaction continuing throughout?
- A. Diplotene
- B. Zygotene
- C. Pachytene
- D. Leptotene
Synapsis is the pairing of homologous chromosomes during Zygotene. The complex structure formed by a pair of synapsed homologous chromosomes is called a:
- A. Kinetochore complex
- B. Monad or Dyad
- C. Bivalent or Tetrad
- D. Centrosome apparatus
Crossing over is the exchange of genetic material between non-sister chromatids of homologous chromosomes. Which enzyme mediates this process during Pachytene?
- A. RNA Polymerase
- B. DNA Polymerase III
- C. Recombinase
- D. Ligase only

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