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Reproduction

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Asexual and sexual reproduction

Subtopic

Asexual and sexual reproduction under Reproduction for Grade 12 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    What does the term 'diploid' represent mathematically?

    A.

    nn

    B.

    2n2n

    C.

    3n3n

    D.

    4n4n

  2. 2.

    Which of these is a natural form of asexual reproduction?

    A.

    Producing seeds after pollination

    B.

    A potato growing from a tuber

    C.

    In vitro fertilization

    D.

    Grafting a fruit tree

  3. 3.

    In humans, the egg cell and sperm cell each contain how many chromosomes?

    A.

    46

    B.

    23

    C.

    22

    D.

    44

Download the worksheet for Reproduction - Asexual and sexual reproduction to practice offline. It includes additional chapter-level practice questions.

Sexual reproduction in plants

Subtopic

Sexual reproduction in plants under Reproduction for Grade 12 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    In flowering plants, sexual reproduction results in offspring that are:

    A.

    Genetically identical to the parent

    B.

    Genetically different from the parents

    C.

    Produced without the use of gametes

    D.

    Always smaller than the parent plant

  2. 2.

    Which gas is released by a germinating seed as a result of respiration?

    A.

    Oxygen

    B.

    Carbon dioxide

    C.

    Nitrogen

    D.

    Methane

  3. 3.

    What term is used for the process of a seed beginning to grow into a new plant?

    A.

    Pollination

    B.

    Fertilization

    C.

    Germination

    D.

    Dispersal

Download the worksheet for Reproduction - Sexual reproduction in plants to practice offline. It includes additional chapter-level practice questions.

Sexual reproduction in humans

Subtopic

Sexual reproduction in humans under Reproduction for Grade 12 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which structure in the female system is a muscular tube that receives the penis during sexual intercourse?

    A.

    Urethra

    B.

    Vagina

    C.

    Oviduct

    D.

    Cervix

  2. 2.

    What describes the fusion of a male gamete with a female gamete?

    A.

    Pollination

    B.

    Ejaculation

    C.

    Fertilization

    D.

    Evolution

  3. 3.

    What is the name of the first period a female has during puberty?

    A.

    Menopause

    B.

    Menarche

    C.

    Ovulation

    D.

    Implantation

Download the worksheet for Reproduction - Sexual reproduction in humans to practice offline. It includes additional chapter-level practice questions.

Sexually transmitted infections (STIs)

Subtopic

Sexually transmitted infections (STIs) under Reproduction for Grade 12 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    If a person suspects they have an STI, what is the best course of action?

    A.

    Wait for a month to see if it goes away

    B.

    Go to a clinic or doctor for professional testing and advice

    C.

    Try to treat it with over-the-counter cough medicine

    D.

    Ignore it because STIs are not serious

  2. 2.

    Which of these STIs is caused by a spiral-shaped bacterium called a spirochete?

    A.

    HIV

    B.

    Syphilis

    C.

    Genital Warts

    D.

    Herpes

  3. 3.

    What happens to the body's vulnerability to other diseases when HIV is left untreated?

    A.

    Vulnerability decreases

    B.

    The body becomes immune to all viruses

    C.

    Vulnerability increases as the immune system is damaged

    D.

    The body only becomes vulnerable to broken bones

Download the worksheet for Reproduction - Sexually transmitted infections (STIs) to practice offline. It includes additional chapter-level practice questions.