Soal Pembelahan Sel

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| By Budile_bio
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Budile_bio
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Quizzes Created: 7 | Total Attempts: 15,972
Questions: 10 | Attempts: 4,163

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Soal Pembelahan Sel - Quiz


Questions and Answers
  • 1. 

    Reproduksi sel pada organisme prokariot terjadi melalui proses ….

    Explanation
    The correct answer is "pembelahan biner". This is because prokaryotic organisms, such as bacteria, reproduce through a process called binary fission. In binary fission, the cell divides into two identical daughter cells, each with its own copy of the genetic material. This is the primary method of reproduction for prokaryotes and allows them to rapidly increase their population size.

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  • 2. 

    Meiosis adalah pembelahan inti yang menghasilkan empat sel anak dengan jumlah kromosom ... dari jumlah kromosom induknya.

    Explanation
    Meiosis adalah proses pembelahan inti yang terjadi dalam reproduksi seksual. Selama meiosis, jumlah kromosom dalam sel anak akan menjadi setengah dari jumlah kromosom dalam sel induknya. Hal ini terjadi karena dalam meiosis terjadi dua tahap pembelahan, yaitu meiosis I dan meiosis II, yang menghasilkan empat sel anak dengan jumlah kromosom yang setengah dari jumlah kromosom dalam sel induk. Dengan demikian, jawaban yang benar adalah "setengah".

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  • 3. 

    Pada tahap … setiap kutub telah memiliki satu set kromosom.

    Explanation
    During the telophase stage of cell division, the chromosomes have already replicated and separated into two sets. In this stage, the nuclear envelope reforms around each set of chromosomes, creating two separate nuclei. Therefore, it can be inferred that in the telophase stage, each pole or end of the dividing cell has one complete set of chromosomes.

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  • 4. 

    Spermatogenesis dimulai dengan pembelahan spermatogonia secara mitosis menjadi sel-sel baru yang disebut ….

    Explanation
    Spermatogenesis dimulai dengan pembelahan spermatogonia secara mitosis menjadi sel-sel baru yang disebut spermatosit primer. This statement explains that spermatogenesis, the process of sperm cell formation, begins with the division of spermatogonia through mitosis. This division results in the formation of new cells called spermatocytes, specifically spermatocytes in the primary stage.

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  • 5. 

    Saat profase terjadi ... .

    • A.

      Benang-benang kromatin menjadi kromosom

    • B.

      Kromosom menjadi benang-benang kromatin

    • C.

      Kromosom menjadi kromatid

    • D.

      Kromatid menjadi kromosom

    • E.

      Kromosom belum menggganda

    Correct Answer
    A. Benang-benang kromatin menjadi kromosom
    Explanation
    During prophase, the chromatin threads condense and coil tightly, forming visible structures called chromosomes. This process involves the organization and packaging of the genetic material to ensure proper distribution during cell division. Therefore, the correct answer is "benang-benang kromatin menjadi kromosom" (chromatin threads become chromosomes).

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  • 6. 

    Peristiwa pertukaran materi genetik pasangan nonkromatid bersaudara dalam satu tetrad disebut ... .

    • A.

      Ganti lengan

    • B.

      Pindah lengan

    • C.

      Saling silang

    • D.

      Pindah silang

    • E.

      Tukar silang

    Correct Answer
    D. Pindah silang
    Explanation
    The correct answer is "pindah silang". This term refers to the exchange of genetic material between non-sister chromatids within a tetrad during meiosis. This process, also known as crossing over, contributes to genetic variation by shuffling genetic information between homologous chromosomes.

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  • 7. 

    Yang membedakan meiosis I dan meiosis II adalah ... .

    • A.

      Meiosis II: tidak terjadi replikasi substansi genetik

    • B.

      Meiosis I: kromosom tampak lebih pendek

    • C.

      Meiosis I: tetrad berjajar di bidang ekuator

    • D.

      Meiosis II: terjadi telofase

    • E.

      Meiosis II: kromosom tereduksi menjadi haploid (n)

    Correct Answer
    A. Meiosis II: tidak terjadi replikasi substansi genetik
    Explanation
    The correct answer is "meiosis II: tidak terjadi replikasi substansi genetik". This is because during meiosis II, there is no replication of genetic material, unlike in meiosis I where replication occurs. Meiosis II is the second division of meiosis, where the replicated chromosomes from meiosis I are separated into individual chromatids. This division results in the production of haploid cells with half the number of chromosomes.

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  • 8. 

    Pembentukan sel gamet jantan disebut dengan istilah ... .

    • A.

      Spermatofit

    • B.

      Sporofit

    • C.

      Spermatogenesis

    • D.

      Oogenesis

    • E.

      Spermatogonia

    Correct Answer
    C. Spermatogenesis
    Explanation
    Spermatogenesis is the correct answer because it refers to the process of formation and development of sperm cells in males. It involves the division and differentiation of spermatogonia, which are the precursor cells of sperm. This process occurs in the testes and is essential for sexual reproduction in males.

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  • 9. 

    Mikrogametogenesis terjadi di ... .

    • A.

      Benang sari

    • B.

      Serbuk sari

    • C.

      Putik

    • D.

      Kantong embrio

    • E.

      Tangkai putik

    Correct Answer
    B. Serbuk sari
    Explanation
    Mikrogametogenesis terjadi di serbuk sari. Mikrogametogenesis adalah proses pembentukan gamet jantan pada tumbuhan, yang melibatkan pembelahan sel induk menjadi mikrospora, yang kemudian mengalami pembelahan meiosis menjadi mikrospor yang matang. Serbuk sari adalah struktur yang mengandung mikrospora dan berada di bagian kepala sari bunga. Oleh karena itu, serbuk sari adalah tempat terjadinya mikrogametogenesis.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 06, 2012
    Quiz Created by
    Budile_bio
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