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HIA International — Grade 7

Unit 1: Breathing and respiration

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Unit 2: Dissolving, solubility and chromatography

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Unit 3: Forces, motion and pressure

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Unit 4: Ecosystems

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Unit 5: Atoms, purity and climate

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Unit 6: Light and objects in space

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Unit 7: Nutrition, health and movement

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Unit 8: Energy changes and reactions of metals

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Unit 9: Magnetism and electromagnets

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Quiz

7.4 Moving The Body

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Moving The Body Checkpoint Biology quiz: free practice for Cambridge Checkpoint Biology 0893. Work through this Moving The Body Checkpoint Biology quiz and get instant feedback on every answer. If you get stuck, review the 6.4 Moving the body lesson. More practice: Cambridge Checkpoint Biology 0893 — all units. Syllabus: Cambridge Lower Secondary programme.

  • Questions count: 50
  • Passing grade: B+
  • Time limit:
Start Quiz
1.
Muscles can only:
Rotate bones
Push and pull
Pull, not push
Push, not pull
2.
The diagram shows an arm bent at the elbow, with five parts labelled P to T. Which letter labels the structure that passes the pull of muscle P on to the forearm bone?
Dr Dabour Hub Academy - figure 1
Letter S
Letter T
Letter R
Letter Q
3.
Kofi rests his arm flat on a smooth table so gravity does not move it. He bends and straightens it sideways while a sensor records the angle at his elbow (graph). During which time interval was his triceps contracting and shortening?
Dr Dabour Hub Academy - figure 2
From 2 s to 4 s
From 4 s to 6 s
From 0 s to 2 s
From 6 s to 8 s
4.
The diagram shows a joint with four parts labelled A to D. A footballer tears both of the structures labelled D in a tackle. What is the most likely effect?
Dr Dabour Hub Academy - figure 3
The leg muscles can no longer pull on the bones
The joint becomes loose and unstable
The bone ends grind together because they lose their smooth covering
The bones can no longer make any blood cells
5.
Mariam made this model of the forearm acting as a lever while the hand holds a ball. Which statement correctly describes point Y?
Dr Dabour Hub Academy - figure 4
Where the biceps tendon pulls up on the bone
The elbow joint, acting as the pivot
Where the triceps pushes the bone upwards
Where the weight of the ball acts on the bone
6.
Chen models a joint with two wooden blocks. He measures the force needed to slide one block over the other with different coverings on the ends (bar chart). Which conclusion about real joints is best supported?
Dr Dabour Hub Academy - figure 5
Joint fluid alone would reduce friction more than cartilage and fluid together
Cartilage makes friction greater so the bones do not slip apart
Cartilage and joint fluid together reduce friction the most
Covering bone ends has no clear effect on how easily they slide
7.
The sketches J, K, L and M show four types of joint. Which sketch shows the type of joint that lets a gymnast swing her leg forwards, backwards, sideways and in a circle at the hip?
Dr Dabour Hub Academy - figure 6
Sketch K
Sketch J
Sketch L
Sketch M
8.
A health survey measured the bone strength of teenagers with different diets and activity levels (bar chart). Which conclusion is best supported by the data?
Dr Dabour Hub Academy - figure 7
Exercise matters for bone strength but calcium makes no difference
Calcium matters for bone strength but exercise makes no difference
Exercising with a low-calcium diet gives the strongest bones
Both calcium and exercise help, and the combination is best
9.
A textbook table describes four joints, W to Z. Which joint is most likely to be the one at the top of the neck that lets you shake your head to say "no"?
Joint Z, a pivot joint
Joint X, a ball-and-socket joint
Joint W, a hinge joint
Joint Y, a fixed joint
10.
Leila measured the thickness of the front and back of her upper arm when her arm was straight and when it was bent. Which is the best explanation for the change at the front?
The biceps relaxed and was stretched longer and fatter
The biceps contracted, becoming shorter and fatter
The triceps moved round to the front of the arm
The biceps pushed outwards to force the forearm up
11.
After a running injury, Tomás can still contract the large muscle in his calf, but his foot no longer moves when he does. Using the table, which tissue is most likely to have been torn?
Tissue E
Tissue G
Tissue H
Tissue F
12.
A class measured grip strength by squeezing a hand grip meter three times each. Which reading is anomalous, and what should be done about it?
Dina, trial 3 – it is the highest reading so it must be an error
Beth, trial 3 – it is the lowest reading in the whole table
Carlos, trial 2 – ignore it when calculating his mean
Carlos, trial 2 – average it with his other two trials
13.
Hana held different masses in her hand with her forearm level and timed how long she could keep it still. Which conclusion do her results support?
The larger the mass, the shorter the time she could hold it
The time held doubles each time the mass is increased by 1 kg
The mass held has no clear effect on how long her muscle could keep working
The time held is proportional to the mass, so 4 kg is held longest
14.
Yusuf is recovering from a broken leg. Using the table, which lunch would give him the most help to make the bone strong again?
A large bowl of white rice with an apple
Sardines on toast with a glass of milk
Two apples with a glass of water
White rice with an extra serving of apple juice
15.
During a chicken wing dissection, students recorded what they saw (table). Which structure is a tendon?
Structure 4
Structure 3
Structure 1
Structure 2
16.
Rosa wants to find out whether people are stronger with their writing hand than their other hand. She plans to test each hand once using a grip meter on one friend. Which change would most improve her investigation?
Test only her own hands so the person is always the same
Use the writing hand first each time so the order is fair
Test many people, with three trials per hand, and use means
Record the grip strength to the nearest 10 kg to save time
17.
Jamal is asked to build a model that shows why muscles must work in pairs at the elbow. Which design would show this best?
Two card strips hinged together, with one stiff stick that can push and pull
Two card strips hinged together, with one string in front and one behind the hinge
One long card strip with a string that stretches when it is pulled
Two card strips glued firmly together with one string on top
18.
Each option pairs a function of the skeleton with an example. Which pairing is correct?
Making blood cells – in the marrow of bones
Protection – the skull lets the jaw move
Movement – the ribs hold the heart in place
Support – bone marrow stores the body fat
19.
Each option pairs a type of joint with a place in the body. Which pairing is correct?
Hinge – shoulder
Gliding – skull bones
Pivot – top of the neck
Fixed – hip
20.
Each option pairs a part of a joint with its job. Which pairing is correct?
Ligament – joins a muscle to a bone
Tendon – cushions the ends of bones
Cartilage – holds the two bones together
Synovial fluid – lubricates the joint
21.
Each option pairs an arm movement with what the muscles do. Which pairing is correct?
Bending – triceps contracts, biceps relaxes
Straightening – triceps contracts, biceps relaxes
Straightening – biceps pushes the forearm down
Bending – biceps and triceps both contract together
22.
In a test, a student wrote: "To straighten the arm, the triceps pushes the forearm down." Which correction is best?
The triceps contracts and pulls the forearm straight
The biceps pushes the forearm down while the triceps relaxes
The triceps expands and pushes against the elbow joint
The ligaments push the forearm down when the biceps relaxes
23.
In some older people the cartilage in the knee wears away. Why does this make the knee painful and stiff?
The muscles can no longer attach to the bones
The knee changes into a ball-and-socket joint
The ligaments start to make blood cells instead
The bone ends rub together with more friction
24.
A patient has a disease that damages the marrow inside his bones. Which function of the skeleton is most directly affected?
Protecting the brain
Allowing the elbow to bend
Making blood cells
Giving the body its shape
25.
Which term is described as: the place where two bones meet, allowing movement?
joint
cartilage
skeleton
tendon
26.
Match the term to its correct meaning: ligament
the muscle that contracts to straighten the arm at the elbow
the framework of bones that supports the body, protects organs and allows movement
a joint such as the elbow or knee that moves in one plane only
the tissue that holds bone to bone at a joint
27.
Match the term to its correct meaning: tendon
two muscles that work against each other, one contracting as the other relaxes
the framework of bones that supports the body, protects organs and allows movement
the tissue that joins muscle to bone
the muscle that contracts to bend the arm at the elbow
28.
Which term is described as: the smooth tissue covering bone ends inside a joint to reduce friction?
skeleton
cartilage
ligament
antagonistic pair
29.
To bend the arm the _____ contracts.
skull
triceps
biceps
ribs
30.
Lina counts how many times she can squeeze spring grippers of different stiffness in 30 seconds. In her investigation, the stiffness of the spring is the _____ variable.
independent (changed)
dependent (measured)
control (kept the same)
anomalous (ignored)
31.
The shoulder allows the arm to move in all directions and to rotate, because it is a _____ joint.
hinge (one-way)
ball-and-socket
fixed (immovable)
gliding (sliding)
32.
When a muscle contracts it becomes _____ and pulls on the bone it is attached to.
longer and thinner
longer and fatter
shorter and thinner
shorter and fatter
33.
Bones are hard because they contain _____.
sodium chloride
vitamin C crystals
calcium compounds
iron compounds
34.
Muscles can push as well as pull. - True or false?
True
False
35.
The skull protects the heart. - True or false?
True
False
36.
The hip is a hinge joint. - True or false?
True
False
37.
The ribs protect the brain and spinal cord. - True or false?
True
False
38.
Look at the arm in the diagram. To straighten this arm, muscle Q must contract while muscle P relaxes. True or false?
Dr Dabour Hub Academy - figure 8
True – Q contracts and pulls the forearm straight
False – P must contract and push the forearm down
False – both P and Q must contract at the same time
False – Q relaxes and gets longer to push the forearm
39.
Students dissecting a raw chicken wing should wash their hands afterwards, because raw meat can carry harmful bacteria. True or false?
True – raw chicken may carry harmful bacteria
False – cooked and raw chicken are equally safe to touch
False – gloves mean hand washing is never needed
False – only the scissors need to be cleaned
40.
Red and white blood cells are made in the marrow inside some bones. True or false?
False – blood cells are made in the heart
False – bones only support and protect
False – blood cells are made in the muscles
True – bone marrow makes blood cells
41.
Tendons stretch easily, so a muscle can move a bone further than it could without them. True or false?
False – tendons are strong and do not stretch
True – tendons stretch to add length to the muscle
True – the stretch in a tendon stores the movement
True, but only in the tendons of the legs
42.
When the biceps relaxes, it lengthens again by pushing itself out to its original size. True or false?
True – relaxed muscles push outwards to lengthen
True – the biceps pushes and the triceps pulls
False – it is pulled back to length by the triceps
True, but only when the arm is holding a heavy mass
43.
The joints between the bones of an adult skull allow the bones to slide a little over each other. True or false?
True – they are gliding joints like the wrist
False – they are fixed joints that cannot move
True – this lets the skull move when we chew
True, but only when a person shakes their head
44.
Bones are dead, dry structures, so exercise has no effect on how strong they are. True or false?
True – only diet can change the strength of a bone
True – bones stop changing once a person is born
True, but only for the bones of the skull
False – bone is living and exercise strengthens it
45.
The knee and the elbow can each move in only one direction, bending and straightening like a door. True or false?
False – the knee is a ball-and-socket joint
False – the elbow is a pivot joint
True – they are both hinge joints
False – both can rotate in a full circle
46.
During a long run, the leg muscles use more glucose and oxygen, because contracting muscles need energy from respiration. True or false?
False – muscles get their energy from the bones
True – contraction needs energy from respiration
False – muscles only use energy when they relax
False – muscle contraction does not need any energy
47.
The small bones of the wrist move by sliding over one another at gliding joints. True or false?
True – their flat surfaces slide over each other
False – the wrist is a single fixed joint
False – the wrist is a ball-and-socket joint
False – wrist bones are joined by a hinge
48.
A dancer who swings her leg round in a circle at the hip is using a pivot joint. True or false?
True – any turning movement uses a pivot joint
True – the hip is the same type of joint as the neck
True, but only when the leg is kept straight
False – the hip is a ball-and-socket joint
49.
Resting his arm flat on a table, a patient whose triceps cannot contract (but whose biceps works) can still bend his arm but cannot straighten it. True or false?
False – the biceps can push the arm straight instead
False – he could not bend it either, as both must contract
True – only the triceps can pull the arm straight
False – ligaments would pull the arm straight on their own
50.
Cartilage on the ends of bones is rough so that the bones grip each other and do not slip. True or false?
True – rough cartilage holds the joint together
False – it is smooth to reduce friction
True – the grip stops the joint moving too far
True, but only in the knee joint
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Part of Unit 7: Nutrition, health and movement — see every lesson and quiz in this unit.
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