Soal Ujian Ciri-ciri Makhluk Hidup Kelas 7 Smp

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| By Kelompok3multime
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Soal Ujian Ciri-ciri Makhluk Hidup Kelas 7 Smp - Quiz

Questions and Answers
  • 1. 

    Berikut ini yang bukan termasuk ciri makhluk hidup  adalah 

    • A.

      Peka terhadap rangsangan

    • B.

      Berkembang biak

    • C.

      Mengeluarkan gas

    • D.

      Begerak

    Correct Answer
    B. Berkembang biak
    Explanation
    Berkembang biak adalah salah satu ciri khas makhluk hidup. Makhluk hidup memiliki kemampuan untuk mereproduksi diri mereka sendiri, baik secara seksual maupun aseksual, untuk mempertahankan kelangsungan hidup spesies mereka. Peka terhadap rangsangan, mengeluarkan gas, dan bergerak juga merupakan ciri-ciri makhluk hidup.

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  • 2. 

    Agar bisa membuat makanan sendiri, tumbuhan hijau memerlukan 

    • A.

      Oksigen dan karbon dioksida

    • B.

      Oksigen dan air

    • C.

      Karbon dioksida dan air

    • D.

      Karbon dioksida dan zat gula

    Correct Answer
    B. Oksigen dan air
    Explanation
    Plants require oxygen and water in order to make their own food through the process of photosynthesis. Oxygen is needed for respiration, which releases energy for the plant to use in various cellular processes. Water is necessary for the transport of nutrients and minerals from the roots to the rest of the plant. Additionally, water is a key component in photosynthesis, as it provides the hydrogen atoms needed for the synthesis of glucose. Therefore, the correct answer is oxygen and water.

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  • 3. 

    Alat indra yang berfungsi sebagai alat peraba adalah 

    • A.

      Kulit

    • B.

      Hidung

    • C.

      Telinga

    • D.

      LIdah

    Correct Answer
    A. Kulit
    Explanation
    Kulit berfungsi sebagai alat peraba karena kulit memiliki banyak reseptor sensorik yang peka terhadap sentuhan dan tekanan. Receptor-receptor ini mengirimkan sinyal ke otak saat kulit kita bersentuhan dengan benda atau permukaan lainnya. Dengan demikian, kulit memungkinkan kita untuk merasakan tekstur, suhu, dan tekanan dari lingkungan sekitar kita.

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  • 4. 

    Saat  bernapas, terjadi pertukaran gas dalam tubuh kita. Pertukaran gas tersebut terjadi pada organ 

    • A.

      Jantung

    • B.

      Hati

    • C.

      Paru-paru

    • D.

      Ginjal

    Correct Answer
    A. Jantung
    Explanation
    The correct answer is "Jantung" because the question is asking about the organ where gas exchange occurs during breathing. The heart is not involved in gas exchange, while the liver and kidneys have other functions unrelated to gas exchange. The lungs, on the other hand, are responsible for the exchange of gases, specifically oxygen and carbon dioxide, during the process of breathing.

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  • 5. 

    Jika ada tumbuhan yang  tumbuh ke arah matahari, berarti tumbuhan itu bereaksi terhadap rangsangan yang berupa 

    • A.

      Tanah yang gembur

    • B.

      Pupuk

    • C.

      Sentuhan

    • D.

      Cahaya

    Correct Answer
    D. Cahaya
    Explanation
    Tumbuhan yang tumbuh ke arah matahari bereaksi terhadap rangsangan berupa cahaya. Cahaya matahari merupakan sumber energi penting bagi tumbuhan untuk melakukan proses fotosintesis. Tumbuhan memiliki kemampuan untuk merespons cahaya dan mengarahkan pertumbuhannya menuju sumber cahaya yang optimal. Ini disebut fototropisme positif, di mana tumbuhan tumbuh ke arah cahaya untuk mendapatkan energi yang dibutuhkan untuk pertumbuhan dan perkembangannya.

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  • 6. 

    Proses pernapasan sebenarnya adalah proses 

    • A.

      Menghirup karbon dioksida

    • B.

      Menghirup oksigen dan melepaskan karbon dioksida

    • C.

      Melepaskan oksigen

    • D.

      Melepaskan oksigen dan menghirup karbon dioksida

    Correct Answer
    B. Menghirup oksigen dan melepaskan karbon dioksida
    Explanation
    The correct answer is "Menghirup oksigen dan melepaskan karbon dioksida." This is because the process of respiration involves inhaling oxygen and exhaling carbon dioxide. Oxygen is taken in by the body and transported to the cells, where it is used in cellular respiration to produce energy. Carbon dioxide, a waste product of cellular respiration, is then released from the cells and exhaled out of the body.

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  • 7. 

    Cara berkembang biak pada  makhluk  hidup ada yang secara kawin dan tak kawin. Secara tak kawin dapat dilakukan dengan cara 

    • A.

      Membentuk spora dan membelah diri

    • B.

      Bertelur dan beranak

    • C.

      Membentuk spora dan bertelur

    • D.

      Bertelur dan membelah diri

    Correct Answer
    A. Membentuk spora dan membelah diri
    Explanation
    Some organisms reproduce asexually by forming spores and dividing themselves. This process does not involve mating or laying eggs. Instead, the organism creates spores, which are small reproductive cells, and then divides itself into two or more separate organisms. This allows the organism to reproduce without the need for a mate or the production of eggs.

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  • 8. 

    Proses perubahan ukuran tubuh pada makhluk hidup sehingga bertambah besar disebut 

    • A.

      Pertumbuhan

    • B.

      Perkembangan

    • C.

      Pertumbuhan dan perkembangan

    • D.

      Pendewasaan

    Correct Answer
    C. Pertumbuhan dan perkembangan
    Explanation
    Pertumbuhan dan perkembangan adalah proses perubahan ukuran tubuh pada makhluk hidup sehingga bertambah besar. Pertumbuhan mengacu pada peningkatan ukuran fisik, seperti tinggi atau berat badan, sedangkan perkembangan melibatkan perubahan dalam struktur, fungsi, dan kemampuan organisme. Keduanya saling terkait dan penting dalam siklus kehidupan makhluk hidup.

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  • 9. 

    Pada proses fotosintesis menghasilkan 

    • A.

      Protein

    • B.

      Karbohidrat

    • C.

      Lemak

    • D.

      Vitamin

    Correct Answer
    A. Protein
    Explanation
    During the process of photosynthesis, plants convert sunlight, water, and carbon dioxide into glucose (a type of carbohydrate) and oxygen. However, they do not directly produce proteins, fats, or vitamins through photosynthesis. These other nutrients are synthesized through various metabolic processes in plants or obtained from the soil. Therefore, the correct answer is protein, as it is not directly produced during photosynthesis.

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  • 10. 

    Makanan harus dicerna agar sari-sarinya bisa diserap oleh organ tubuh kita. Pencernaan makanan berlangsung di 

    • A.

      Mulut, ginjal, dan lambung

    • B.

      Kerongkongan, lambung, dan usus

    • C.

      Mulut, lambung, dan usus

    • D.

      Mulut, kerongkongan, dan lambung

    Correct Answer
    C. Mulut, lambung, dan usus
    Explanation
    The correct answer is "Mulut, lambung, dan usus". This is because the process of food digestion starts in the mouth where it is broken down into smaller pieces by chewing and mixed with saliva. The partially digested food then travels to the stomach where it is further broken down by stomach acids and enzymes. Finally, the nutrients from the food are absorbed in the small intestine, which is a part of the digestive system. The kidneys and esophagus mentioned in the other options are not directly involved in the digestion process.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jun 06, 2015
    Quiz Created by
    Kelompok3multime
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