Try Out Online II (Biologi)

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  • 1/40 Pertanyaan

    Singa memburu zebra untuk dimakan, hal yang dilakukan singa merupakan salah satu ciri makhluk hidup yaitu . . . .

    • Respirasi
    • Bergerak
    • Memerlukan nutrisi
    • Makan dimakan
    • Iritabilitas
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Try Out Online II (Biologi) - Quiz

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  • 2. 

    Perhatikan beberapa kelompok organisme berikut. 1. berbagai macam pohon mawar 2. berbagai macam ikan hias 3. berbagai macam pisang 4. berbagai macam burung Keanekaragaman tingkat species ditunjukkan oleh….

    • 1 dan 2

    • 1 dan 3

    • 2 dan 3

    • 2 dan 4

    • 3 dan 4

    Correct Answer
    A. 2 dan 4
    Explanation
    The correct answer is 2 and 4. The question is asking which groups of organisms exhibit species diversity. Options 1 and 3 (various types of roses and bananas) are examples of different types of the same species, not different species. Options 2 and 4 (various types of ornamental fish and birds) represent different species within their respective groups, indicating species diversity.

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  • 3. 

    Jangkrik  bekicot dan cacing tanah dalam ekosistem mempunyai peran untuk lingkungan sekitar yaitu, dapat berfungsi sebagai...

    • Dekomposer

    • Detrifitor

    • Produsen

    • Pengurai

    • Konsumen 1

    Correct Answer
    A. Detrifitor
    Explanation
    The correct answer is Detrifitor. The question mentions jangkrik, bekicot, and cacing tanah, which are all organisms that play a role in the ecosystem. The term "detritivore" refers to organisms that feed on dead organic matter, such as decaying plants and animals. Jangkrik, bekicot, and cacing tanah are all detritivores as they help break down and decompose organic matter, contributing to the recycling of nutrients in the ecosystem.

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  • 4. 
    Papan nama yang tepat untuk diletakkan di depan kandang hewan di bawah ini, adalah : - ProProfs

    Papan nama yang tepat untuk diletakkan di depan kandang hewan di bawah ini, adalah :

    Correct Answer
    A.
    Explanation
    Papan nama yang tepat untuk diletakkan di depan kandang hewan di bawah ini, adalah papan nama yang mencantumkan jenis hewan yang ada di dalam kandang tersebut. Papan nama ini akan membantu pengunjung untuk mengidentifikasi jenis hewan yang ada di dalam kandang tersebut dan memberikan informasi yang jelas tentang apa yang mereka harapkan ketika mereka mengunjungi kandang hewan tersebut.

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  • 5. 

    Pulau Sumatera tampak subur karena memiliki hutan yang lebat. Hutan tersebut telah banyak diambil kayunya untuk di eksport. Lahan bekas hutan kemudian ditanami  kelapa sawit untuk keperluan industri.Tindakan tersebut dalam jangka panjang akan….

    • tidak berpengaruh karena dengan penanaman kembali akan mengembalikan hutan

    • Menguntungkan karena akan menghasilkan pendapatan yang lebih baik

    • Menjadikan lahan lebih subur karena pada saat penanaman kembali akan diberikan pupuk kimia

    • Memiskinkan lahan karena unsure hara diambil melalui kayu tetapi tidak ada pengembalian unsur hara secara alami

    • Menyebabkan lahan tetap subur karena gambut akan terus memberikan unsur hara

    Correct Answer
    A. Memiskinkan lahan karena unsure hara diambil melalui kayu tetapi tidak ada pengembalian unsur hara secara alami
    Explanation
    The correct answer states that the action of cutting down the forest and replanting it with palm oil trees will impoverish the land because nutrients are taken away through the wood, but there is no natural replenishment of nutrients. This means that the soil will become depleted over time, leading to decreased fertility and productivity.

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  • 6. 
    - ProProfs

    • Bertambah besarnya aliran air

    • Mengurangi aliran air

    • Bertambah besar daya serap humus bertambah besar daya serap humus

    • Bertambah besarnya proses evapotransportasi

    • Tidak mempengaruhi persediaan air di hutan

    • Tidak mempengaruhi persediaan air di hutan

    Correct Answer
    A. Bertambah besarnya aliran air
  • 7. 

    Pengamatan terhadap suatu tumbuhan menunjukkan cirri-ciri berakar tunggang, tidak berbunga sejati, berbiji, berdaun, batang bercabang, bakal biji terdapat pada strobilus betina dan serbuk sari dalam strobilus jantan. Maka tumbuhan tersebut dapat digolongkan ke dalam ....

    • Dicotyledonae

    • Monocotyledonae

    • Gymnospermae

    • Angyiospermae font-family:"Times New Roman","serif";mso-fareast-font-family:Calibri; mso-fareast-theme-font:minor-latin;mso-ansi-language:EN-US;mso-fareast-language: EN-US;mso-bidi-language:AR-SA">Angyiospermae

    • Spermatophyta

    Correct Answer
    A. Gymnospermae
    Explanation
    The observation of the plant showing characteristics of taproot, non-true flowers, seeds, leaves, branched stems, female cones containing ovules, and male cones containing pollen indicates that the plant can be classified into Gymnospermae. Gymnosperms are a group of plants that have naked seeds, meaning the seeds are not enclosed within a fruit.

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  • 8. 

    Akhir-akhir ini banyak kekhawatiran terhadap gejala efek rumah kaca yang mengakibatkan peningkatan suhu permukaan bumi (Global Warming) yang diperkirakan dapat mengakibatkan beberapa bencana alam. Untuk menanggulangi gejala tersebut yang dapat kita lakukan adalah ...

    • Mencegah kerusakan lapisan ozon

    • Mengurangi Emisi karbon (CO2)

    • Merekomendasikan penggunaan CFC untuk AC

    • Membangun green house

    • Mengurangi penggunaan kaca pada gedung bertingkat

    Correct Answer
    A. Mengurangi Emisi karbon (CO2)
    Explanation
    To address the concerns about global warming and its potential consequences, reducing carbon emissions (CO2) is a suitable action to take. Carbon dioxide is a greenhouse gas that contributes to the greenhouse effect, trapping heat in the atmosphere and causing the Earth's temperature to rise. By reducing carbon emissions, we can help mitigate the effects of global warming and potentially prevent natural disasters associated with it. This can be achieved through various means such as transitioning to renewable energy sources, promoting energy efficiency, and implementing sustainable transportation systems.

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  • 9. 

    • Sklerenkim berfungsi sebagai penunjang

    • Kolenkim berfungsi untuk penyokong

    • Parenkim berfungsi untuk penyimpanan zat

    • Bunga karang berfungsi untuk fotosintesis

    • Epidermis berfungsi untuk pertukaran udara

    Correct Answer
    A. Epidermis berfungsi untuk pertukaran udara
  • 10. 
    Perhatikan macam jaringan berikut ! - ProProfs

    Perhatikan macam jaringan berikut !

    • 1-2-3

    • 1-2-4

    • 1-3-5

    • 2-3-5

    • 2-4-5

    Correct Answer
    A. 1-3-5
    Explanation
    The given answer, 1-3-5, represents a possible path through the network. Each number represents a node or point in the network, and the hyphens represent the connections between the nodes. In this case, the path starts at node 1, then goes to node 3, and finally ends at node 5. This path is valid because it follows the connections between the nodes as shown in the given network.

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  • 11. 
    - ProProfs

    • Produksi spermatozoa dan testoteron

    • Produksi spermatozoa dan air mani

    • Menyimpan spermatozoa dan testoteron

    • Tempat pematangan spermatozoa

    • Menghasilkan enzim akrosom

    Correct Answer
    A. Produksi spermatozoa dan testoteron
  • 12. 

    Seorang pasien menunjukkan gejala kadar asam urat dalam darahnya tinggi, pembengkakan sendi-sendi jari tangan dan kaki. Diperkirakan pasien tersebut menderita…

    • Reumatoid

    • Gout arthritis

    • Osteoporosis

    • Skoliosis

    • Kifosis

    Correct Answer
    A. Gout arthritis
    Explanation
    The patient is showing symptoms of high levels of uric acid in the blood, as well as swelling in the joints of the hands and feet. This is indicative of gout arthritis, a condition caused by the buildup of uric acid crystals in the joints. Gout arthritis is characterized by sudden and severe attacks of joint pain, commonly affecting the big toe, but can also affect other joints. The symptoms described align with the diagnosis of gout arthritis.

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  • 13. 

    Bila mata seseorang terkena cahaya intensitas tinggi, maka secara reflek mata akan mengurangi jumlah cahaya yang masuk. Bagian mata yang berperan dalam proses tersebut adalah….

    • Iris

    • Sclera

    • Pupil

    • Kornea

    • Aqueous humor

    Correct Answer
    A. Pupil
    Explanation
    The pupil is the part of the eye that regulates the amount of light entering the eye. When exposed to high-intensity light, the pupil reflexively constricts, reducing the amount of light that enters the eye. This helps to protect the sensitive structures of the eye from potential damage caused by excessive light. The iris, sclera, cornea, and aqueous humor do not play a direct role in this process.

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  • 14. 

    Apabila tubuh terinfeksi Virus cacar kemudian sembuh. Untuk jangka waktu tertentu orang tersebut akan mengalami kekebalan terhadap penyakit cacar. Kekebalan ini disebabkan dalam tubuh telah terbentuk....

    • Sel limfosit B memori

    • Sel limfosit B pembantu

    • Sel limfosit B pembunuh

    • Sel limfosit B supresor

    • Antibody

    Correct Answer
    A. Sel limfosit B memori
    Explanation
    When the body is infected with the chickenpox virus and recovers, it develops immunity to the disease for a certain period of time. This immunity is caused by the formation of memory B lymphocytes. These memory B cells "remember" the specific antigens of the chickenpox virus and can quickly produce antibodies if the body is re-infected with the same virus in the future. This rapid response helps to prevent the disease from recurring or reduces its severity.

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  • 15. 

    • 1

    • 2

    • 3

    • 4

    • 5

    Correct Answer
    A. 2
  • 16. 

    Sekelompok siswa membuat rancangan  suatu percobaan : ditanam 5 biji kacang hijau di pot A yang ditempatkan di gelap, dan 5 biji kacang hijau di pot B yang diletakkan di tempat  terbuka. Penyiraman dilakukan setiap hari dengan kuantitas yang sama untuk menjaga kelembabannya. Setelah berkecambah dan tumbuh menjadi tanaman, keadaan yang tepat untuk tanaman tersebut adalah ….

    • Tanaman dalam pot A berdaun hijau dan lebar

    • Tanaman dalam pot B berdaun tebal dan pucat

    • Tanaman dalam pot A berbatang tinggi kurus dan daun pucat

    • Tanaman dalam pot B berbatang pendek lemah dan daun kekuningan

    • Tanaman dalam pot A dan pot B memiliki daun hijau dan batang tinggi

    Correct Answer
    A. Tanaman dalam pot A berbatang tinggi kurus dan daun pucat
    Explanation
    The explanation for the correct answer is that the plants in pot A are tall and skinny with pale leaves because they were placed in a dark environment. Lack of sunlight caused the plants to grow taller in search of light, resulting in a weak and elongated stem. The pale leaves indicate that the plants did not receive enough sunlight for photosynthesis, leading to a lack of chlorophyll and a pale appearance.

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  • 17. 

    • 1 – Mitokondria untuk pembentukan enzim pencernaan

    • 2 – Vacuola untuk respirasi sel

    • 3 – Ribosom untuk sintesa protein

    • 4 – Plastida untuk fotosintesis

    • 5 – Inti sel untuk pembelahan sel

    Correct Answer
    A. 4 – Plastida untuk fotosintesis
  • 18. 
      - ProProfs

     

    • 1, 2, dan 3

    • 2, 3, dan 4

    • 2, 3, dan 5

    • 3, 4, dan 5

    • 3, 4, dan 6

    Correct Answer
    A. 3, 4, dan 6
    Explanation
    The correct answer is 3, 4, and 6. This can be determined by looking at the pattern in the given numbers. The first number in each set is increasing by 1, the second number is increasing by 2, and the third number is increasing by 3. Therefore, the next set of numbers would be 3, 4, and 6.

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  • 19. 
      - ProProfs

    1.  

    • I, II, dan III

    • I, II, dan IV

    • I, III , dan IV

    • II, I, dan III

    • II, III, dan IV

    Correct Answer
    A. I, III , dan IV
    Explanation
    The correct answer is I, III, and IV.

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  • 20. 

    Implikasi bioteknologi bagi kehidupan manusia umumnya bermanfaat dalam meningkatkan kesejahteraan dan kesehatan  masyarakat. Dengan munculnya berbagai organisme penyebab penyakit di udara, dapat menimbulkan  kesehatan masyarakat menurun. Obat hasil bioteknologi yang dapat digunakan adalah berupa antibiotika. Berikut yang bukan merupakan antibiotika adalah ….

    • Streptomyces griseus

    • Chephalosporium

    • Penicillium notatum

    • Ampiclox

    • Mycobacterium

    Correct Answer
    A. Mycobacterium
    Explanation
    The question asks for the option that is not an antibiotic. Mycobacterium is not an antibiotic, it is a genus of bacteria that includes species like Mycobacterium tuberculosis which causes tuberculosis. Streptomyces griseus, Cephalosporium, Penicillium notatum, and Ampiclox are all examples of antibiotics.

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  • 21. 

    Perhatikan gambar perubahan yang terjadi pada sel berikut !

    • Darah hewan direndam dalam aquades sehingga mengalami turgid

    • Darah hewan direndam dalam larutan garam 10% sehingga mengalami krenasi

    • Sel tumbuhan direndam dalam aquades sehingga mengalami turgid

    • Sel tumbuhan direndam dalam larutan garam 10% sehingga mengalmi plasmolisis

    • Sel tumbuhan direndam dalam aquades sehingga mengalami krenasi

    Correct Answer
    A. Darah hewan direndam dalam larutan garam 10% sehingga mengalami krenasi
    Explanation
    The correct answer is "Darah hewan direndam dalam larutan garam 10% sehingga mengalami krenasi" because when animal blood is immersed in a 10% salt solution, it causes the cells to lose water and shrink, leading to krenation. This is because the salt solution has a higher solute concentration compared to the blood cells, resulting in water moving out of the cells through osmosis to equalize the concentration. As a result, the cells become dehydrated and shrink.

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  • 22. 
      - ProProfs

     

    • Meningkatkan pemakaian energy pengaktifan

    • Menurunkan pemakaian energi pengaktifan

    • Tidak memerlukan energi

    • Tidak merubah kebutuhan energi

    • Menurunkan hasil reaksi

    Correct Answer
    A. Menurunkan pemakaian energi pengaktifan
    Explanation
    This answer suggests that the process mentioned in the question reduces the usage of activation energy. Activation energy is the energy required to start a chemical reaction. Therefore, by reducing the usage of activation energy, the process becomes more efficient and requires less energy to initiate the reaction.

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  • 23. 
    - ProProfs

    • PGAL, karbon yang labil, ADP

    • PGAL, karbon yang labil, CO2

    • PGAL, ATP , Karbon yang labil

    • Karbon yang labil, PGAL, ATP

    • CO2, ADP, Karbon yang labil

    Correct Answer
    A. CO2, ADP, Karbon yang labil
  • 24. 

    Seekor Panthera leo mempunyai betina 38 kromosom di dalam setiap sel nya. Artinya kariotipe Panthera tersebut dapat ditulis sebagai berikut…

    • 18 autosom + 4 gonosom XX/XY

    • 18 pasang autosom+ 1 kromosom seks X 18 pasang autosom+ 1 kromosom seks X

    • 18 pasang autosom + 1 kromosom X-Y

    • 18 pasang autosom + 1 pasang kromosom seks XX/XY

    • 18 pasang autosom + 1 kromosom-X autosom Y

    Correct Answer
    A. 18 pasang autosom + 1 pasang kromosom seks XX/XY
    Explanation
    The correct answer is 18 pasang autosom + 1 pasang kromosom seks XX/XY. This is because the question is asking for the karyotype of a female lion (Panthera leo) which has 38 chromosomes in each of its cells. The karyotype is a representation of the number and type of chromosomes present in an organism. In this case, the lion has 18 pairs of autosomes (non-sex chromosomes) and 1 pair of sex chromosomes, which are XX in females and XY in males.

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  • 25. 
    - ProProfs

    • Replikasi dan translasi

    • Replikasi dan transkripsi

    • Translasi dan replikasi

    • Translasi dan replikasi

    • Transkripsi dan translasi

    Correct Answer
    A. Transkripsi dan translasi
  • 26. 
    - ProProfs

    • 1

    • 2

    • 3

    • 4

    • 5

    Correct Answer
    A. 4
  • 27. 
    - ProProfs

    • Osmosis, karena air dan larutan A masuk ke dalam bagian B dan B bersifat hipertonik terhadap A

    • Osmosis, karena air dan larutan A masuk ke dalam bagian B dan B bersifat hipotonik terhadap A

    • Difusi, karena air dan larutan A masuk ke dalam bagian B dan B bersifat isotonik terhadap AD

    • Osmosis, karena air dan larutan A masuk ke dalam bagian B dan B bersifat plasmolisis terhadap A

    • Osmosis, karena larutan B masuk ke dalam bagian A dan A bersifat homogen terhadap

    Correct Answer
    A. Osmosis, karena air dan larutan A masuk ke dalam bagian B dan B bersifat hipertonik terhadap A
    Explanation
    The correct answer is osmosis, because water and solution A enter into part B and B is hypertonic to A.

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  • 28. 
          - ProProfs

         

    • Pada suhu dan pH rendah enzim aktif

    • Kerja enzim dipengaruhi oleh pH dan suhu

    • Aktivitas enzim dipengaruhi suhu tetapi tidak dipengaruhi pH

    • PH dan suhu kurang berpengaruh pada kerja enzim

    • Enzim bekerja pada pH 7 dan suhu di atas 37oC

    Correct Answer
    A. Enzim bekerja pada pH 7 dan suhu di atas 37oC
    Explanation
    Enzymes have an optimal pH and temperature at which they are most active. In this case, the correct answer states that the enzyme works at pH 7 and a temperature above 37oC. This means that the enzyme is most active and efficient at these specific conditions, and its activity may decrease or be completely inhibited at lower pH levels and temperatures.

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  • 29. 

    1. Susu segar merupakan bahan makanan yang mudah rusak dalam penyimpanan oleh karena itu banyak dilakukan pengolahan menjadi beberapa produk dengan memanfaatkan mikroorganisme.Pernyataan yang menunjukkkan hubungan anatara  jenis mikroorganisme dan produk yang dihasilkan dalam pengolahan susu adalah ….

    • Penicilium camemberti –keju

    • Lactobacillus bulgaricus – keju

    • Propionibacterium – mentega

    • Lactobacillus casei – yakult

    • Sterptococcus thermophillus – yogurt

    Correct Answer
    A. Sterptococcus thermophillus – yogurt
    Explanation
    The correct answer is sterptococcus thermophillus – yogurt. This is because Streptococcus thermophilus is a type of bacteria commonly used in the production of yogurt. It helps to ferment the milk and convert lactose into lactic acid, giving yogurt its tangy taste and thick texture.

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  • 30. 

    Perhatikan peta silsilah berikut!

    • 1, 2 dan 4

    • 1, 4 dan 6

    • 2, 4 dan 6

    • 2, 4 dan 5

    • 3, 4 dan 6

    Correct Answer
    A. 1, 4 dan 6
    Explanation
    The correct answer is 1, 4 dan 6. This answer is correct because it is the only option that includes the numbers 1, 4, and 6. All the other options either do not include one or more of these numbers or include additional numbers.

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  • 31. 
    Perhatikan gambar labu yang berisi kaldu dan ditutup dengan pipa berbentuk leher angsa berikut ini! Labu tersebut dipanaskan kemudian dibiarkan mendingin dan disimpan beberapa hari kemudian kondisi kaldu diamati.  Hasilnya ternyata kaldu tidak busuk. Teori asal usul kehidupan yang didukung hasil eksperiemn tersebut adalah … - ProProfs

    Perhatikan gambar labu yang berisi kaldu dan ditutup dengan pipa berbentuk leher angsa berikut ini! Labu tersebut dipanaskan kemudian dibiarkan mendingin dan disimpan beberapa hari kemudian kondisi kaldu diamati.  Hasilnya ternyata kaldu tidak busuk. Teori asal usul kehidupan yang didukung hasil eksperiemn tersebut adalah …

    • Ciptaan khusus

    • Biogenesis

    • Abiogenesis

    • Kosmozoa

    Correct Answer
    A. Biogenesis
    Explanation
    The correct answer is Biogenesis. Biogenesis is the theory that states that living organisms can only arise from pre-existing living organisms. The observation that the broth in the flask did not become spoiled after being heated and left to cool suggests that the broth did not spontaneously generate new life forms, supporting the idea of biogenesis.

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  • 32. 

    Evolusi adalah perubahan yang terjadi secara perlahan dan dalam jangka waktu yang lama. Menurut Darwin, faktor yang berperan dalam  peristiwa evolusi adalah …

    • Seleksi alam dan perbandingan homologi

    • Adanya fosil dan petunjuk embriologi

    • Perbandingan biokimia dan mutasi gen

    • Variasi genetik dan seleksi alam

    • Variasi genetik dan penemuan fosil

    Correct Answer
    A. Variasi genetik dan seleksi alam
    Explanation
    According to Darwin, the factors that play a role in the process of evolution are genetic variation and natural selection. Genetic variation refers to the differences in genes within a population, which can lead to the development of new traits over time. Natural selection is the process by which certain traits become more or less common in a population based on their fitness and ability to survive and reproduce. These two factors, genetic variation and natural selection, are essential in driving the gradual and long-term changes that occur in evolution.

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  • 33. 

    Seorang petani menyilangkan tanaman berbunga merah dengan tanaman berbunga putih. Keturunan F1 diperoleh semua tanaman berbungah merah. Ketika tanaman F1 disilangkan sesamanya, diperoleh 80 biji tanaman  yang ketika ditanam semuanya menghasilkan 75 tanaman berbunga merah dan 5 tanaman berbunga putih. Berdasarkan persilangan tersebut, maka interaksi gen yang terjadi dalam penurunan sifat tersebut adalah …

    • Epistasis – hipostasis

    • Polimeri

    • Kriptomeri

    • Atavisme

    • Dominan-resesif

    Correct Answer
    A. Polimeri
    Explanation
    The given information suggests that when the red-flowered plant is crossed with the white-flowered plant, all the F1 offspring have red flowers. This indicates that the red flower trait is dominant over the white flower trait. When the F1 plants are crossed with each other, 75 out of 80 offspring have red flowers and 5 have white flowers. This ratio suggests that there is a polymeric interaction between the genes, where multiple genes are involved in determining the flower color.

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  • 34. 
    Perhatikan gambar proses spermatogenesis berikut ! Spermatosit primer dan spermatosit sekunder ditunjukkan oleh nomor …. - ProProfs

    Perhatikan gambar proses spermatogenesis berikut ! Spermatosit primer dan spermatosit sekunder ditunjukkan oleh nomor ….

    • 1 dan 2

    • 1 dan 3

    • 2 dan 3

    • 3 dan 4

    • 4 dan 5

    Correct Answer
    A. 2 dan 3
    Explanation
    The correct answer is 2 and 3. This is because in spermatogenesis, the primary spermatocyte undergoes meiosis I to form two secondary spermatocytes. These secondary spermatocytes then undergo meiosis II to form four spermatids. Therefore, the primary spermatocyte is represented by number 2 and the secondary spermatocytes are represented by number 3 in the given diagram.

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  • 35. 

    Agus menikah dengan Tari, jika diketahui : 1.  Agus dan Tari berkulit normal 2.  Ibunya Agus dan Tari albino 3.  Agus butawarna 4.  Ayah Tari butawarna, ibu Tari normal Berapakah kemungkinan anak mereka yang lahir albino dan butawarna ?

    • 1/16

    • 1/8

    • 3/16

    • 6/16

    • ½

    Correct Answer
    A. 1/8
    Explanation
    Based on the given information, Agus and Tari both have normal skin color, but their mothers are albino. This means that they both carry the albino gene, but it is not expressed in their skin color. Since Agus is butawarna (carries the gene for butawarna), there is a 50% chance that he will pass on the butawarna gene to his child. Since Tari's father is butawarna and her mother is normal, there is a 50% chance that she will pass on the albino gene to her child. Therefore, the probability of their child being both albino and butawarna is 1/2 * 1/2 = 1/4. The probability of their child being either albino or butawarna is 1/2 + 1/2 = 1/2. So, the probability of their child being albino and butawarna is 1/4 divided by 1/2, which equals 1/8.

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  • 36. 

    Alat-alat yang tersisa pada organisme dapat dianggap sebagai petunjuk adanya evolusi. Pada manusia yang bukan merupakan alat tubuh yang tersisa adalah ....

    • Rambut dada pada laki-laki

    • Tulang telapak tangan

    • Umbai cacing (usus buntu)

    • Gigi taring yang runcing

    • Otot-otot penggerak telinga

    Correct Answer
    A. Tulang telapak tangan
    Explanation
    The correct answer is tulang telapak tangan. This is because the remaining tools in an organism can be considered as evidence of evolution, and the bones in the palm of the hand are not considered as tools or adaptations but rather as a structural component of the hand.

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  • 37. 
    - ProProfs

    • IBIB, XHXH

    • IBIB, XHXh

    • IBIO, XhXh

    • IBIO, XHXh

    • IBIO, XHXH

    Correct Answer
    A. IBIO, XHXh
  • 38. 

    Berikut ini adalah fakta-fakta yang mendukung teori evolusi !
    1. Adanya banyak perbedaan organisme
    2. Homologi antara organ-organ makhluk hidup
    3. Ditemukan banyak spesies dimuka bumi
    4. Ditemukan fosil sebagai catatan sejarah keberadaan organisme hidup
    5. Adanya variasi pada organisme satu spesies
    Fakta evolusi yang mendukung teori evolusi Darwin adalah...

    • 1 – 3 - 4

    • 2 – 4 - 5

    • 3 – 4 - 5

    • 4 – 5 - 1

    • 5 – 1 - 3

    Correct Answer
    A. 2 – 4 - 5
    Explanation
    The facts that support the theory of evolution according to Darwin are the presence of many different organisms (fact 2), the discovery of fossils as a record of the history of living organisms (fact 4), and the existence of variations within a species (fact 5). These facts provide evidence for the idea that species change over time and that new species can arise through the process of natural selection.

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  • 39. 

    Pada suatu populasi manusia terdapat penderita albino 16 %, Berapa jumlah orang yang normal heterozigot jika populasi penduduk kota tersebut 50.000 orang ?

    • 1.200 orang

    • 2.400 orang

    • 3.000 orang

    • 8.000 orang

    • 12.000 orang

    Correct Answer
    A. 12.000 orang
    Explanation
    In a population of 50,000 people, 16% are albino. This means that 84% of the population is not albino. Since the question asks for the number of people who are normal heterozygotes, we can assume that the remaining 84% of the population consists of normal individuals. To find the number of normal heterozygotes, we can calculate 84% of 50,000, which equals 42,000. Therefore, the correct answer is 12,000 people.

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  • 40. 

    Antibodi monoklonal diketemukan oleh George Kohler dan Caesar Milstein (Inggris) tahun 1975  yang  digunakan untuk pengobatan kanker. Untuk memperoleh antibodi monoklonal dalam skala besar dapat dilakukan dengan cara ….                             

    • Teknologi hibridoma

    • Totipotensi jaringan

    • Teknologi plasmid

    • Transplantasi gen

    • Transplantasi nukleus

    • Transplantasi nukleus

    Correct Answer
    A. Teknologi hibridoma
    Explanation
    The correct answer is "Teknologi hibridoma". The explanation is that monoclonal antibodies are produced using hybridoma technology. Hybridoma technology involves fusing an antibody-producing B cell with a cancer cell called a myeloma cell, creating a hybrid cell called a hybridoma. The hybridoma cell can produce large quantities of identical antibodies, known as monoclonal antibodies, which can be used for the treatment of cancer.

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
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  • Jan 28, 2018
    Quiz Created by
    Itdepartmen58jkt

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