Reproduction
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Asexual and sexual reproduction
SubtopicAsexual and sexual reproduction under Reproduction for Grade 12 IGCSE.
Preview questions (no answers)
- 1.
If a parent cell of a specific organism contains chromosomes, how many chromosomes will be found in a gamete produced for sexual reproduction?
A.46
B.23
C.92
D.12
- 2.
Which of the following is an example of natural asexual reproduction in a plant?
A.The growth of new plants from runners in a strawberry plant.
B.The transfer of pollen from an anther to a stigma.
C.The development of a seed inside an ovary.
D.The fusion of a male nucleus with an ovule nucleus.
- 3.
What is a primary biological advantage of sexual reproduction?
A.It allows populations to grow very quickly.
B.It requires less energy to find a mate.
C.It produces clones that are well-adapted to stable environments.
D.It produces genetic variation, allowing species to adapt to changing environments.
Download the worksheet for Reproduction - Asexual and sexual reproduction to practice offline. It includes additional chapter-level practice questions.
Sexual reproduction in plants
SubtopicSexual reproduction in plants under Reproduction for Grade 12 IGCSE.
Preview questions (no answers)
- 1.
Which characteristic is most commonly associated with wind-pollinated flowers?
A.Large, brightly colored petals
B.Strong, sweet scent to attract insects
C.Pollen grains that are heavy and sticky
D.Feathery stigmas to catch passing pollen
- 2.
Observe the diagram of a flower. Which label correctly identifies the site where female gametes are produced?
A.Part A
B.Part B
C.Part C
D.Part D
- 3.
Which of the following is the correct definition of pollination?
A.The fusion of a male gamete with a female gamete
B.The growth of a pollen tube through the style
C.The transfer of pollen grains from the anther to the stigma
D.The release of seeds from a mature fruit
Download the worksheet for Reproduction - Sexual reproduction in plants to practice offline. It includes additional chapter-level practice questions.
Sexual reproduction in humans
SubtopicSexual reproduction in humans under Reproduction for Grade 12 IGCSE.
Preview questions (no answers)
- 1.
What is the primary function of the amniotic fluid during pregnancy?
A.To provide the fetus with oxygen
B.To transfer nutrients from the mother to the fetus
C.To protect the fetus against physical impact
D.To remove urea from the fetal blood
- 2.
The diagram shows the pathway taken by sperm cells from production to ejaculation. Which label represents the site where sperm cells are produced?
A.A
B.B
C.C
D.D
- 3.
Where does the process of fertilization typically take place in the human female reproductive system?
A.Ovary
B.Uterus
C.Vagina
D.Oviduct
Download the worksheet for Reproduction - Sexual reproduction in humans to practice offline. It includes additional chapter-level practice questions.
Sexually transmitted infections (STIs)
SubtopicSexually transmitted infections (STIs) under Reproduction for Grade 12 IGCSE.
Preview questions (no answers)
- 1.
Which body system is specifically targeted and weakened by the Human Immunodeficiency Virus (HIV)?
A.Immune system
B.Digestive system
C.Nervous system
D.Excretory system
- 2.
Which of these infections is caused by a virus rather than a bacterium?
A.Syphilis
B.Gonorrhoea
C.Chlamydia
D.HIV
- 3.
Which method of contraception is the most effective at reducing the transmission of STIs like HIV?
A.Oral contraceptive pill
B.Latex condom
C.Intrauterine device (IUD)
D.Diaphragm
Download the worksheet for Reproduction - Sexually transmitted infections (STIs) to practice offline. It includes additional chapter-level practice questions.