CSEE (Form 4) Movement — practice questions

Explore 4 free Movement questions in CSEE (Form 4) Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Movement questions and exercises with answers

Showing questions 1–4 of 4.

When the human arm is bent, the state of the upper arm muscles is that:Read the answer and worked solution →Straightening the arm after it has been bent requires the:Read the answer and worked solution →Bending or straightening?Read the answer and worked solution →Which is greater?Read the answer and worked solution →

Worked practice questions

When the human arm is bent, the state of the upper arm muscles is that:

both biceps and triceps relax together
triceps contract while biceps relax
biceps contract while triceps relax
both biceps and triceps contract together

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Correct answer: C. biceps contract while triceps relax

1. The biceps and triceps lie in the upper arm and work as an antagonistic pair. 2. Antagonistic means they oppose one another, so when one contracts the other must relax. 3. Bending the arm requires the biceps to contract, pulling the forearm upwards. 4. The triceps therefore relaxes at the same moment. 5. Because they are a pair, the two can never both contract or both relax, which rules out the last two options. _Source: NECTA CSEE 2022 Biology 033, Question 1: Multiple Choice Items, item (ix)_

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Straightening the arm after it has been bent requires the:

biceps to contract and the triceps to relax
triceps to contract and the biceps to relax
biceps and the triceps both to contract
biceps and the triceps both to relax

Show answer and solution

Correct answer: B. triceps to contract and the biceps to relax

1. Bending and straightening are opposite movements, so they need the opposite muscle states. 2. Bending the arm contracts the biceps and relaxes the triceps. 3. Straightening therefore reverses that: the triceps contracts and the biceps relaxes. 4. The contracting triceps pulls the forearm back down into line. 5. As an antagonistic pair, they cannot both contract or both relax at once. _Source: NECTA CSEE 2022 Biology 033, Question 1: Multiple Choice Items, item (ix)_

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Bending or straightening?

Read exercise and reference answers

Left

Arm bends

Items

Item
Biceps contract
Answer
Arm bends
Item
Triceps relax
Answer
Arm bends
Item
Forearm lifts
Answer
Arm bends
Item
Triceps contract
Answer
Arm straightens
Item
Biceps relax
Answer
Arm straightens
Item
Forearm lowers
Answer
Arm straightens

Right

Arm straightens

Instructions

Swipe each muscle state to the arm movement it produces.

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How to practise

Choose a Movement question and try to work out your answer.
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