Curriculum
Course: IAL Edexcel Linear
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Curriculum

IAL Edexcel Linear

Unit 1: Lifestyle, Transport, Genes and Health

0/36 Dr Dabour Hub Science Diagram and Course Material

Unit 2: Cells, Development, Biodiversity and Conservation

0/34 Dr Dabour Hub Science Diagram and Course Material

Unit 3: Practical Skills in Biology I

0/31 Dr Dabour Hub Science Diagram and Course Material

Unit 4: Energy, Environment, Microbiology and Immunity

0/34 Dr Dabour Hub Science Diagram and Course Material

Unit 5: Respiration, Internal Environment, Coordination and Gene Technology

0/42 Dr Dabour Hub Science Diagram and Course Material

Unit 6: Practical Skills in Biology II

0/51 Dr Dabour Hub Science Diagram and Course Material
Quiz

Muscles & Movement – Check yourself

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Muscles & Movement IAL Modular Biology check yourself quiz: free practice for IAL Edexcel Modular. Work through this Muscles & Movement IAL Modular Biology check yourself quiz and get instant feedback on every answer. If you get stuck, review the 5.1 Muscles & Movement — IAL Biology Notes lesson. More practice: IAL Edexcel Modular — all units. Syllabus: Pearson Edexcel International A Levels.

  • Questions count: 10
  • Passing grade: B
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1.

Tendons join

muscle to bone
bone to bone
muscle to muscle
cartilage to bone
2.

Muscles work in antagonistic pairs because

they push bones
muscles can only pull, so one contracts as the other relaxes
they are joined together
they contract together
3.

The functional unit of a myofibril is the

sarcolemma
sarcoplasmic reticulum
motor unit
sarcomere
4.

During muscle contraction, calcium ions bind to

troponin
tropomyosin
myosin
actin directly
5.

ATP is needed in muscle contraction to

bind calcium to troponin
shorten actin
detach the myosin head from actin and re-set it
make the action potential
6.

Calcium ions are released into the sarcoplasm from the

mitochondria
sarcoplasmic reticulum
nucleus
T tubules only
7.

Slow twitch muscle fibres have

many mitochondria, much myoglobin and a rich capillary supply
few mitochondria
little myoglobin
mainly anaerobic respiration
8.

Fast twitch fibres

have many mitochondria
are red
are used for endurance
contract rapidly, rely mainly on anaerobic respiration and fatigue quickly
9.

When a sarcomere contracts

myosin filaments shorten
actin filaments shorten
actin filaments slide between myosin filaments and the sarcomere shortens
the A band shortens
10.

Synovial fluid in a joint

lubricates the joint and reduces friction
joins bones
contracts
makes blood cells
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Part of Unit 5: Respiration, Internal Environment, Coordination and Gene Technology — see every lesson and quiz in this unit.
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