Locomotion and Movement – Muscular System, Mechanism of Muscle Contraction
Biology · Grade 11 · Week 48 · 25 questions
Locomotion and Movement is a key Grade 11 biology chapter focusing on Muscular System and Mechanism of Muscle Contraction. Mastering this now makes later chapters on plant/animal physiology, genetics, and ecology much smoother.
What you'll practise
- Describe Muscular System
- Identify Mechanism of Muscle Contraction
- Apply locomotion and movement concepts to NCERT exercise and exemplar problems
All 25 questions in this Locomotion and Movement – Muscular System, Mechanism of Muscle Contraction quiz
Grade 11 Biology — Locomotion and Movement – Muscular System, Mechanism of Muscle Contraction: 25 practice questions with instant scoring and explanations.
- Muscles attached to bones are
- Smooth muscles are found in
- Cardiac muscle is
- Structural unit of a muscle fiber is the
- Functional unit of muscle contraction is
- Thick filaments of muscle are made of
- Thin filaments consist mainly of
- A-band contains
- I-band contains
- H-zone is the region of A-band with
- Z-line anchors
- During contraction, the sarcomere
- Sliding filament theory was proposed by
- Neuromuscular junction uses the neurotransmitter
- Calcium for contraction is released from
- Ca²⁺ binds with
- Cross-bridge cycle requires
- Energy source stored in muscles for quick ATP regeneration is
- Lactic acid accumulates during
- Rigor mortis is due to
- Red (slow) muscle fibres are rich in
- White (fast) muscle fibres rely more on
- Myasthenia gravis is due to antibodies against
- Muscular dystrophy is characterised by
- Tetany can result from deficiency of
Question 1 of 250 correct so far