Science Form 3 Chapter 4 And 5 (Revision)

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Science Form 3 Chapter 4 And 5 (Revision) - Quiz

Questions and Answers
  • 1. 

    Name two types of reproduction?

    • A.

      Sexual and Sexualitism

    • B.

      Asexual and Seksyen

    • C.

      Sexual and Asexual

    • D.

      Sexualitism and Seksyen

    Correct Answer
    C. Sexual and Asexual
    Explanation
    The correct answer is Sexual and Asexual. Reproduction can occur through sexual or asexual means. Sexual reproduction involves the fusion of gametes from two parents, resulting in offspring with a combination of genetic traits. Asexual reproduction, on the other hand, involves the production of offspring without the involvement of gametes or the fusion of genetic material.

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  • 2. 

    What the other type of asexual reproduction that same with figure above.

    • A.

      Binary fusion, regeneration

    • B.

      Vegetative, fertilisation

    • C.

      Amoeba, onion

    • D.

      Gametes, variation

    Correct Answer
    A. Binary fusion, regeneration
    Explanation
    The given correct answer is "Binary fusion, regeneration." Binary fusion is a form of asexual reproduction where two organisms combine their genetic material to form a new organism. Regeneration is the ability of an organism to regrow lost or damaged body parts. Both binary fusion and regeneration are types of asexual reproduction, where offspring are produced without the involvement of gametes or fertilization.

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  • 3. 

    What is the function of scrotum?

    • A.

      Produces the male gametes.

    • B.

      A tube which runs through the penis.

    • C.

      Holds and protects the testes.

    • D.

      Neck of the uterus.

    Correct Answer
    C. Holds and protects the testes.
    Explanation
    The scrotum is a pouch-like structure that holds and protects the testes. It helps to regulate the temperature of the testes, as sperm production requires a slightly lower temperature than the rest of the body. The scrotum contracts in cold temperatures to bring the testes closer to the body for warmth, and relaxes in warm temperatures to keep the testes cooler. Additionally, the scrotum acts as a protective layer for the testes, shielding them from potential injury.

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  • 4. 

    What is the name of the process of menstrual cycle during these day?

    • A.

      Menstruation phase

    • B.

      Repair phase

    • C.

      Premenstrual phase

    • D.

      Fertile phase

    Correct Answer
    C. Premenstrual phase
    Explanation
    The correct answer is the premenstrual phase. This phase occurs in the menstrual cycle a few days before menstruation begins. During this phase, the levels of estrogen and progesterone decrease, causing physical and emotional symptoms such as bloating, mood swings, and breast tenderness. It is a preparatory phase for menstruation and is characterized by changes in the uterine lining in anticipation of shedding during the menstrual phase.

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  • 5. 

    Name two types of pollination?

    • A.

      Self-pollination, behind-pollination

    • B.

      Self-pollination, cross-pollination

    • C.

      Self-pollination, besides-pollination

    • D.

      Self-pollination, above-pollination

    Correct Answer
    B. Self-pollination, cross-pollination
    Explanation
    Self-pollination refers to the transfer of pollen from the anther to the stigma of the same flower or within the same plant. Cross-pollination, on the other hand, involves the transfer of pollen from the anther of one flower to the stigma of another flower, often of a different plant. This can occur through various means such as wind, water, or pollinators like insects, birds, or bats. Both self-pollination and cross-pollination are important for plant reproduction and genetic diversity.

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  • 6. 

    What is growth?

    • A.

      Increase body size, number of cells, weight

    • B.

      Increase body shape, number of blood, weight

    • C.

      Increase body size, number of pimples, height

    • D.

      Increase body height, number of age, muscles

    Correct Answer
    A. Increase body size, number of cells, weight
    Explanation
    Growth refers to the process of increasing body size, number of cells, and weight. It is a natural and essential part of development in living organisms. As an organism grows, its body size increases, which is accompanied by an increase in the number of cells and overall weight. This growth is regulated by various factors such as genetics, nutrition, and hormones.

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  • 7. 

    After the age 14, boys experience more __________ than girls.

    • A.

      Positive growth.

    • B.

      Rapid growth.

    • C.

      Slow growth.

    • D.

      Negative growth.

    • E.

      Minimal growth.

    Correct Answer
    B. Rapid growth.
    Explanation
    During adolescence, boys tend to experience a growth spurt, characterized by a rapid increase in height and weight. This is due to the surge in hormones, particularly testosterone, which leads to the development of secondary sexual characteristics and overall physical growth. Girls also experience growth during this time, but it generally occurs at a slower pace compared to boys. Therefore, the correct answer is "Rapid growth" as it accurately reflects the typical growth pattern seen in boys after the age of 14.

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