NSC Life Sciences – South Africa

Question 11

Which process leads to genetic variation during meiosis?

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Question 12

Which human body system is primarily responsible for transporting oxygen and nutrients to body cells?

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Question 13

Which of the following is an example of a renewable natural resource?

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Question 14

Which hormone regulates the female menstrual cycle by preparing the uterus for pregnancy?

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Question 15

Which of the following genetic disorders is caused by an extra chromosome?

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Question 16

Which adaptation is an example of directional selection in evolution?

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Question 17

What is the main function of the alveoli in the human respiratory system?

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Question 18

Which of the following best describes the structure of DNA?

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Question 19

What is the main role of mRNA in protein synthesis?

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Question 20

Which process explains the gradual change in species over time?

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