Pearson Edexcel IGCSE · Human Biology

Reproduction and heredity: Practice Questions

5 multiple-choice questions marked as you go, and 5 written questions with worked solutions. All on Reproduction and heredity.

10 questions25 marksFree, no account

Question 1

1 mark

Which of the following describes the function of the placenta during pregnancy?

Question 2

1 mark

Which statement correctly describes the function of the amniotic fluid during the development of a fetus?

Question 3

1 mark

Which statement best explains why meiosis is essential for sexual reproduction in humans?

Question 4

1 mark

In human genetics, which term describes an individual who possesses two different alleles for a specific gene?

Question 5

1 mark

A genetic pedigree shows a condition appearing in every generation, where an affected parent always has at least one affected child. This inheritance pattern most likely represents a:

Question 6

3 marks

Explain the specific role of Follicle Stimulating Hormone (FSH) in the human female reproductive system during the first half of the menstrual cycle.

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Question 7

5 marks

Identify two processes that occur during meiosis that lead to genetic variation in the resulting haploid gametes.

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Question 8

3 marks

Define the term allele and explain how alleles contribute to the variation observed within the human species.

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Question 9

4 marks

(a) State the names of the four hormones involved in the control of the human menstrual cycle and the organ that secretes each.
(b) Explain the role of Luteinising Hormone (LH) and Progesterone in the menstrual cycle.

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Question 10

5 marks

(a) Compare the roles of oestrogen and testosterone in the development of secondary sexual characteristics during puberty.
(b) Explain the role of the umbilical cord in connecting the foetus to the placenta.

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