Reproduction And Development Pre-assessment (Grade 7)

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  • 1/12 Questions

    Rate, on a scale of 1 – 4, 1 being the lowest and 4 being the highest, how much you already know about human reproduction and development.

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About This Quiz

This Grade 7 pre-assessment explores key concepts in reproductive biology and development. It assesses students' understanding of internal fertilization, mitosis, genetic composition, hormone roles, and cellular differentiation. Essential for evaluating foundational knowledge in biology and preparing for more advanced studies.

Pre Assessment Quizzes & Trivia

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  • 2. 

    Rate, on a scale of 1 – 4, 1 being the lowest and 4 being the highest, how interested are you in human reproduction and development.

    Explanation
    This question asks the respondent to rate their interest in human reproduction and development on a scale of 1 to 4. The answer options provided are 1, 2, 3, and 4, indicating that the respondent can choose any of these options to indicate their level of interest.

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  • 3. 

    The follicle stimulating hormone (FSH) is (Standard 4.1e):

    • An ovarian hormone which is responsible for the building up of the uterine lining

    • A pituitary hormone which stimulates the growth of the follicle

    • A hormone which is stimulated by the follicle and is responsible for building up the uterine lining

    • An ovarian hormone which stimulates a follicle to produce an egg

    • A hormone secreted in the male testes and delivered to the female ovaries

    Correct Answer
    A. A pituitary hormone which stimulates the growth of the follicle
    Explanation
    FSH is a pituitary hormone that stimulates the growth of the follicle. The follicle is a structure in the ovary that contains an immature egg. FSH plays a crucial role in the development and maturation of the follicle, leading to the release of a mature egg during ovulation. This hormone is essential for the female reproductive system and is responsible for regulating the menstrual cycle and promoting fertility.

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  • 4. 

    After sperm is deposited inside a female, the pathway they follow to reach the egg is (Standard 4.1f):

    • 5 to 4 to 3

    • 1 to 3 to 4

    • 3 to 5 to 4

    • 5 to 4 to 1

    • 3 to 2 to 1

    Correct Answer
    A. 1 to 3 to 4
  • 5. 

    Which reproductive adaptation is characteristic of most terrestrial vertebrates but not of most aquatic vertebrates (Standard 4.1 a)?

    • External Fertilization

    • Internal Fertilization

    • Motile Gametes

    • External Development

    • Fragmentation

    Correct Answer
    A. Internal Fertilization
    Explanation
    Internal fertilization is the correct answer because it is a reproductive adaptation that is characteristic of most terrestrial vertebrates. Internal fertilization refers to the process of fertilization occurring inside the female's body, where the sperm is deposited directly into the female reproductive tract. This adaptation is necessary for terrestrial vertebrates because it protects the gametes from drying out and increases the chances of successful fertilization in a dry environment. In contrast, most aquatic vertebrates practice external fertilization, where the eggs and sperm are released into the water for fertilization to occur.

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  • 6. 

    A human egg/sperm cell is _______________, but when the sperm and egg come together the fertilized egg (potential human) is ________________. (Standard 4.1c)?

    • Diploid, diploid

    • Haploid, haploid

    • Diploid, haploid

    • Haploid, diploid

    • None of the Above

    Correct Answer
    A. Haploid, diploid
    Explanation
    When a human egg or sperm cell is formed, it undergoes a process called meiosis which reduces the number of chromosomes in the cell by half. This results in the formation of haploid cells, which have only one set of chromosomes. However, when the sperm and egg come together during fertilization, they combine their genetic material and form a zygote. The zygote is diploid, meaning it has a complete set of chromosomes from both the sperm and egg, and has the potential to develop into a human being. Therefore, the correct answer is haploid, diploid.

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  • 7. 

    What makes stem cells different from other cells in the body?

    • They are larger than other cells.

    • They can absorb broken cells and repair them.

    • They are undifferentiated cells that can turn into a number of different kinds of cells, as needed.

    • They are found only in plants.

    • They are only found in embryonic cells and are never found in adult cells.

    Correct Answer
    A. They are undifferentiated cells that can turn into a number of different kinds of cells, as needed.
    Explanation
    Stem cells are undifferentiated cells that have the unique ability to develop into various types of cells in the body. Unlike other cells, which have a specific function and structure, stem cells can differentiate into specialized cells such as muscle cells, nerve cells, or blood cells, depending on the needs of the body. This characteristic of stem cells makes them crucial for growth, development, and repair of damaged tissues in the body. Stem cells are not limited to a specific type of tissue and can adapt and transform into different cell types as required.

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  • 8. 

    What would most likely result if mitosis was not accompanied by cytoplasmic division (Standard 4.1b)

    • Two cells, each with one nucleus

    • Two cells, each without a nucleus

    • One cell with two identical nuclei

    • One cell without a nucleus

    • One large egg cell and three polar bodies

    Correct Answer
    A. One cell with two identical nuclei
    Explanation
    If mitosis was not accompanied by cytoplasmic division, it would result in one cell with two identical nuclei. Mitosis is the process of cell division where the nucleus of a cell divides into two identical nuclei. However, cytoplasmic division is necessary for the physical separation of the two daughter cells. Without cytoplasmic division, the two nuclei would remain in the same cell, resulting in one cell with two identical nuclei.

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  • 9. 

    Identical twins may develop as a result of fertilization of (Standard 4.1h):

    • One egg by one sperm

    • One egg by two sperms

    • Two eggs by one sperm

    • Two eggs by one sperm

    • Two eggs by two sperms

    Correct Answer
    A. One egg by one sperm
    Explanation
    Identical twins develop as a result of fertilization of one egg by one sperm. In this process, a single fertilized egg, also known as a zygote, splits into two separate embryos, each with its own set of genetic material. This occurs early in the development of the zygote, resulting in two individuals who share the same genetic information and are therefore identical twins. The other options listed involve the fertilization of two eggs by one or two sperms, which would result in fraternal twins or siblings with different genetic material.

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  • 10. 

    The diagrams below represent various processes associated with reproduction.  Asexual reproduction is represented by (Standard 2.1d):

    • A, only

    • B, only

    • A and C

    • B and D

    • All of the above

    Correct Answer
    A. A and C
    Explanation
    The correct answer is A and C. This is because in diagram A, a single parent organism is shown producing offspring through a process called binary fission, which is a common form of asexual reproduction. In diagram C, a parent organism is shown producing offspring through a process called budding, which is another form of asexual reproduction. Both of these diagrams represent processes associated with asexual reproduction, so the correct answer is A and C.

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  • 11. 

    In humans, what is the ratio of the number of gametes produced from one male primary sex cell to the number of gametes produced from one female primary sex cell (Standard 4.1g)?

    • 1:1

    • 1:3

    • 1:4

    • 3:1

    • 4:1

    Correct Answer
    A. 4:1
    Explanation
    The ratio of 4:1 suggests that one male primary sex cell produces four gametes, while one female primary sex cell produces only one gamete. This is because during meiosis, the male primary sex cell undergoes two rounds of cell division, resulting in the production of four haploid cells (sperm). In contrast, the female primary sex cell only undergoes one round of cell division, resulting in the production of one haploid cell (egg). Therefore, the ratio of 4:1 accurately represents the difference in gamete production between males and females in humans.

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  • 12. 

    Which process is represented below (Standard 4.1d)?

    • Mitosis

    • Meiosis

    • Germination

    • Differentiation

    • Gametogenesis

    Correct Answer
    A. Differentiation
    Explanation
    The process represented in the diagram is differentiation. Differentiation is the process by which cells become specialized and take on specific functions in the body. It involves the activation and repression of specific genes, leading to the development of different cell types with distinct structures and functions. This process is important for the growth and development of multicellular organisms, as it allows for the formation of tissues and organs with specialized functions.

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  • Oct 21, 2024
    Quiz Edited by
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  • Feb 15, 2010
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    Tagscience
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