O LevelBiologyCambridge (CIE)Exam Questions16. Development of Organisms & Continuity of Life16.4 Sexual Reproduction in Humans

Sexual Reproduction in Humans (Cambridge (CIE) O Level Biology): Exam Questions

Exam code: 5090

2 hours20 questions

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16.4 Sexual Reproduction in Humans

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1
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Students were discussing how to remember the difference between two groups of cells, ‘many, minute and motile’ or ‘few, fat and fixed’.

What group of cells were they referring to?

  • Male and female gametes

  • Animal and plant cells

  • Red and white blood cells

  • Xylem and phloem cells

Choose your answer

2
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The statements below are about different hormones in the human body.

  1. Produced by the pancreas.

  2. Causes the voice to deepen at puberty.

  3. Causes an egg to mature in the menstrual cycle.

  4. Promotes the development of stronger muscles.

Which of these statements are correct for testosterone?

  • 1 and 2

  • 2 and 4

  • 3 and 4

  • 4 only

Choose your answer

3
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There are a number of hormones that control fertility in women.

Which one of these maintains the lining during pregnancy?

  • Oestrogen

  • Progesterone

  • FSH

  • Testosterone

Choose your answer

4
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The diagram shows a human sperm cell. The sperm cell has many mitochondria in the mid section.

image-9-

How do the mitochondria help the sperm carry out its function?

  • They carry the genetic information from the male parent.

  • They release energy for movement.

  • They help the sperm enter the egg.

  • They make proteins.

Choose your answer

1
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The diagram shows the female reproductive system.

image-7

After ejaculation, which pathway will the male gamete take to fuse with the egg?

  • Vagina →  cervix   → uterus  → oviduct

  • Ovary   →  oviduct → uterus  → cervix

  • Vagina →  uterus  → cervix   → oviduct

  • Ovary   →  uterus  → cervix  → vagina

Choose your answer

21 mark

The diagram shows how the blood of a human fetus flows close to the mother’s blood in the placenta.

q2-16-4-sexual-reproduction-in-humans-medium-mcq-cie-o-level-biology

 Which substances are present at X in higher concentrations than at Y? 

  • carbon dioxide and glucose

  • carbon dioxide and urea

  • glucose and oxygen

  • glucose and urea 

Choose your answer

31 mark

Which row correctly matches a hormone with its function in the menstrual cycle?

 

hormone

function

A

FSH

stimulates release of eggs

B

LH

stimulates release of eggs

C

oestrogen

maintains uterus lining

D

progesterone

repairs uterus lining

    Choose your answer

    1
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    The diagram shows the menstrual cycle. This is a 28 day cycle.

    image-5

    Which time range in the cycle is the woman most likely to get pregnant?

    • Days 1 - 4

    • Days 7 - 10

    • Days 13 - 16

    • Days 20 - 23

    Choose your answer

    2
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    Extended only

    The graphs below show the levels of two hormones involved in the menstrual cycle and the thickness of the uterus lining.

    image-8

    Which of these statements is supported by evidence from the graphs?

    • Within 5 days of ovulation, the uterus lining gets thinner.

    • A large increase in progesterone always results in the thickening of the uterus lining.

    • Each time the oestrogen concentration increases the uterus lining gets thicker.

    • At ovulation the thickness of the lining is highest.

    Choose your answer