Pearson Edexcel GCSE (9-1) · Biology (1BI0)

Mitosis and the cell cycle: Practice Questions

5 multiple-choice questions marked as you go, and 2 written questions with worked solutions. All on Mitosis and the cell cycle.

7 questions15 marksFree, no account
Question 1
1 mark

In the cell cycle, mitosis is a crucial process for multicellular organisms. Which of the following is not a primary function of mitosis in animals?

Question 2
1 mark

During the cell cycle, a specific stage involves the chromosomes condensing and the nuclear membrane breaking down. Which stage of mitosis is being described, and which stage follows it?

Question 3
1 mark

A student observes a set of cells under a microscope. She notices that the chromosomes are lined up along the center of the cell and are attached to spindle fibers. Which stage of mitosis is she observing, and what event occurs immediately after this stage?

Question 4
1 mark

The medulla oblongata is a vital part of the brain. Which of the following best describes its primary function and the difficulty associated with treating damage to it?

Question 5
1 mark

In a reflex arc, which component is responsible for the integration of the signal between the sensory and motor neurons, and how does the signal cross the gap between them?

Question 6
5 marks

Explain how PET scanning can be used to investigate brain function in a way that traditional CT scanning cannot, with reference to the difficulty of accessing brain tissue through the skull.

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Question 7
5 marks

Compare the roles of sensory neurones and relay neurones in a reflex arc, specifically explaining how neurotransmitters facilitate the transmission of the impulse across a synapse.

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