CBSE Class 11 Locomotion and Movement — practice questions
31 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 11 Locomotion and Movement in the app →In the SLIDING FILAMENT theory of muscle contraction:During muscle contraction, the immediate trigger for actin-myosin binding is the release of:RIGOR MORTIS (stiffness after death) occurs because:An adult human skeleton has approximately how many bones?The pectoral girdle in humans consists of:The KNEE joint is an example of which type of synovial joint?Cardiac muscle is unique because it is:SLOW-TWITCH (Type I, red) muscle fibres are characterised by:Tendons connect:A white blood cell crawls towards a germ using pseudopodia. This movement is:Dust you breathe in is swept out of the trachea by the beating of:A sperm swims using its:Muscles attached to bones look striped under a microscope, so they are called:Muscles in the wall of the gut push food along without your control. They are:Heart muscle is striated yet the nervous system does not control it directly, so it is:The plasma membrane of a muscle fibre is called the:In a resting muscle, which protein subunit hides the myosin-binding sites on actin?The globular head of myosin works as an enzyme that splits:The neurotransmitter released at the neuromuscular junction is:After a hard run your muscles ache because they built up:The red oxygen-storing pigment inside muscle is:Bone matrix is very hard because of:A U-shaped bone at the base of the mouth cavity, counted with the skull, is the:The first vertebra, which meets the skull's occipital condyles, is the:The last two pairs of ribs are not attached in front, so they are called:The knee cap is a cup-shaped bone called the:The collar bone is properly called the:When a muscle moves a bone, the joint acts as the:Skull bones fuse with sutures and cannot move. This joint type is:The joint between the atlas and axis that lets you shake your head is a:An autoimmune disease attacking the neuromuscular junction and causing weakness is: