Locomotion and Movement
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Types of movement (ciliary, flagellar, muscular)
SubtopicTypes of movement (ciliary, flagellar, muscular) under Locomotion and Movement for Grade 11 CBSE.
Preview questions (no answers)
- 1.
Which of the following is a key biological purpose for which animals perform locomotion?
A.To find a favorable climate
B.To find food and water
C.To find a place for nesting
D.All of the above
- 2.
Movement of the iris in the eye to adjust the size of the pupil is an example of:
A.Ciliary movement
B.Muscular movement
C.Amoeboid movement
D.Flagellar movement
- 3.
Cilia and flagella are both extensions of the:
A.Nucleus
B.Cell wall
C.Plasma membrane
D.Mitochondria
- 4.
The coordinated action of multiple systems in humans results in effective locomotion. These systems are:
A.Muscular, Skeletal, and Neural
B.Digestive, Respiratory, and Muscular
C.Circulatory, Nervous, and Endocrine
D.Excretory, Skeletal, and Integumentary
- 5.
Which of the following is the most complex type of movement found in the human body according to the level of organization involved?
A.Ciliary movement
B.Amoeboid movement
C.Flagellar movement
D.Muscular movement
- 6.
Human macrophages and leucocytes move through the tissues by:
A.Beating cilia
B.Flagellar whipping
C.Pseudopodia formation
D.Rhythmic muscular contraction
- 7.
Muscular movement is characterized by which unique property of muscle cells?
A.Fluidity
B.Contractility
C.Phagocytosis
D.Ciliation
- 8.
Based on the three main types of movement described in Grade 11 Biology, which mechanism is primarily used to transport the zygote from the Ampulla to the Uterus?
A.Muscular contraction of the uterine wall only
B.Flagellar propulsion of the zygote
C.Ciliary movement of the fallopian tube lining
D.Amoeboid crawling of the zygotic cells
- 9.
What specifically happens to the cytoskeleton during the retraction phase of amoeboid movement at the 'rear' of the cell?
A.Microfilaments polymerize to push the cell forward
B.Actin and myosin filaments interact to contract the posterior cytoplasm
C.Microtubules lengthen to provide a rigid tail
D.The plasma membrane dissolves to release old cytoplasm
- 10.
Which of the following scenarios best illustrates the distinction between 'movement' and 'locomotion' in a human context?
A.Blinking your eyes vs. Waving your hand
B.Chewing food vs. Walking to the kitchen
C.Sperm swimming vs. Macrophage crawling
D.Heart beating vs. Diaphragm contracting
Download the worksheet for Locomotion and Movement - Types of movement (ciliary, flagellar, muscular) to practice offline. It includes additional chapter-level practice questions.
Skeletal muscle, contractile proteins and muscle contraction
SubtopicSkeletal muscle, contractile proteins and muscle contraction under Locomotion and Movement for Grade 11 CBSE.
Preview questions (no answers)
- 1.
Troponin is distributed at regular intervals on which protein?
A.Myosin
B.Tropomyosin
C.Actin
D.Tubulin
- 2.
Myoglobin acts as a reservoir for which of the following in red muscle fibers?
A.Carbon dioxide
B.Nitrogen
C.Oxygen
D.Water
- 3.
Skeletal muscles are also called voluntary muscles because they are:
A.Found in the heart
B.Controlled by the autonomic nervous system
C.Controlled by the conscious will
D.Found in the digestive tract
- 4.
The layer of connective tissue that wraps the entire muscle organ is the:
A.Perimysium
B.Endomysium
C.Epimysium
D.Fascia
- 5.
In the absence of ATP, the myosin head cannot detach from actin, leading to a state of permanent contraction called:
A.Tetanus
B.Fatigue
C.Rigor mortis
D.Paralysis
- 6.
Which of the following events marks the beginning of the relaxation phase in a muscle fiber?
A.Release of acetylcholine from the motor neuron
B.Binding of Calcium to Troponin C
C.Pumping of Calcium ions back into the sarcoplasmic reticulum
D.Formation of cross-bridges
- 7.
The 'A-band' is also called the Anisotropic band because:
A.It refracts light uniformly in all directions
B.It contains only one type of protein filament
C.It does not refract light uniformly (it is birefringent)
D.It is always located at the end of the sarcomere
- 8.
A researcher applies a toxin that blocks the release of from the terminal cisternae. What will be the immediate effect on the I-band and H-zone during stimulation?
A.The I-band will shorten, but the H-zone will remain the same.
B.Both the I-band and H-zone will remain at their resting lengths.
C.The I-band will disappear, and the H-zone will widen.
D.The A-band will disappear, but the I-band will remain.
- 9.
Which of the following is NOT a property of skeletal muscle fibers?
A.Excitability
B.Contractility
C.Autorhythmicity
D.Extensibility
- 10.
During the 'Power Stroke', the release of which molecule specifically causes the myosin head to bend and pull the actin filament?
A.ATP
B.ADP
C.Inorganic phosphate ()
D.Glucose-6-phosphate
Download the worksheet for Locomotion and Movement - Skeletal muscle, contractile proteins and muscle contraction to practice offline. It includes additional chapter-level practice questions.
Skeletal system and its functions
SubtopicSkeletal system and its functions under Locomotion and Movement for Grade 11 CBSE.
Preview questions (no answers)
- 1.
Which of the following is NOT a function of the skeletal system?
A.Locomotion
B.Protection of internal organs
C.Production of erythrocytes
D.Secretion of digestive enzymes
- 2.
How many thoracic vertebrae are found in the human body?
A.7
B.5
C.12
D.10
- 3.
Which bone is situated in the front of the knee?
A.Femur
B.Tibia
C.Fibula
D.Patella
- 4.
The human rib cage is formed by:
A.Thoracic vertebrae, ribs and sternum
B.Lumbar vertebrae and ribs
C.Sternum and clavicle
D.Ribs and scapula
- 5.
The human middle ear contains three tiny bones called ear ossicles, which are part of the axial skeletal system. Based on the provided flowchart showing the sequence of sound vibration transmission, identify the correct names for the bones labeled A, B, and C.
A.A: Malleus, B: Incus, C: Stapes
B.A: Incus, B: Malleus, C: Stapes
C.A: Stapes, B: Incus, C: Malleus
D.A: Malleus, B: Stapes, C: Incus
- 6.
Which part of the skeletal system is primarily responsible for the storage of minerals like calcium and phosphorus?
A.Ligaments
B.Bone matrix
C.Yellow marrow
D.Synovial fluid
- 7.
In an adult human, how many bones are typically found in the appendicular skeleton?
A.80
B.120
C.126
D.206
- 8.
In the human skeletal system, thoracic ribs are termed 'bicephalic' due to their dual articulation points with the vertebral column. Based on the mapping provided in the diagram, which of the following combinations correctly identifies the vertebral landmarks that articulate with the rib head and the rib tubercle respectively?
A.Landmark 1: Neural Arch; Landmark 2: Vertebral Body
B.Landmark 1: Vertebral Body; Landmark 2: Transverse Process
C.Landmark 1: Transverse Process; Landmark 2: Spinous Process
D.Landmark 1: Spinous Process; Landmark 2: Neural Canal
- 9.
The only movable bone in the human skull (excluding ear ossicles) is the:
A.Maxilla
B.Vomer
C.Mandible
D.Ethmoid
- 10.
The 'Obturator foramen' is a large opening in the human skeleton. Where is it located?
A.In the occipital bone of the skull
B.In the coxal bone of the pelvic girdle
C.Between the atlas and axis vertebrae
D.In the sternum
Download the worksheet for Locomotion and Movement - Skeletal system and its functions to practice offline. It includes additional chapter-level practice questions.
Preview questions (no answers)
- 1.
In which type of joint do bones slide past one another?
A.Pivot joint
B.Gliding joint
C.Hinge joint
D.Ball and socket joint
- 2.
Movement at the joint is produced by the contraction of:
A.Ligaments
B.Tendons
C.Skeletal muscles
D.Cartilage
- 3.
Which of the following is an example of a fibrous joint that holds teeth in their sockets?
A.Suture
B.Gomphosis
C.Symphysis
D.Synchondrosis
- 4.
The joint located between the radius and ulna that allows the forearm to rotate is a:
A.Hinge joint
B.Pivot joint
C.Saddle joint
D.Ball and socket joint
- 5.
In the study of biomechanics within the human body, the skeletal system works in conjunction with muscles to form a lever system. According to the NCERT Biology textbook, what specific mechanical role does the 'Joint' play in this system, as indicated by 'X' in the diagram?
A.Resistance
B.Fulcrum
C.Load
D.Effort
- 6.
If a person is unable to rotate their forearm to turn their palm upward, which type of joint is likely restricted?
A.Hinge joint
B.Pivot joint
C.Gliding joint
D.Condyloid joint
- 7.
Which of the following statements about fibrous joints is correct?
A.They possess a small synovial cavity filled with fluid
B.The bones are held together by dense fibrous connective tissue
C.They are always slightly movable (amphiarthrotic)
D.They are only found in the appendicular skeleton
- 8.
Osteophytes, or 'bone spurs', are common radiological findings in which joint pathology?
A.Osteoarthritis
B.Rheumatoid Arthritis
C.Infectious Arthritis
D.Early stage Gout
- 9.
Which of the following joints is classified as a 'Synchondrosis' in the adult human body?
A.The first sternocostal joint (between 1st rib and manubrium).
B.The joint between the 5th and 6th ribs.
C.The pubic symphysis.
D.The distal tibiofibular joint.
- 10.
Which statement correctly describes the 'Uniaxial' nature of the pivot joint?
A.It allows rotation only around its own longitudinal axis.
B.It allows movement in two perpendicular planes but no rotation.
C.It allows movement in three planes including rotation.
D.It allows only sliding or gliding movements.
Download the worksheet for Locomotion and Movement - Joints to practice offline. It includes additional chapter-level practice questions.
Disorders (Myasthenia gravis, Tetany, Muscular dystrophy, Arthritis, Osteoporosis, Gout)
SubtopicDisorders (Myasthenia gravis, Tetany, Muscular dystrophy, Arthritis, Osteoporosis, Gout) under Locomotion and Movement for Grade 11 CBSE.
Preview questions (no answers)
- 1.
In Gout, the inflammation is caused specifically by:
A.Lack of synovial fluid
B.Uric acid crystals
C.Bacterial growth
D.Torn ligaments
- 2.
Which of the following increases the chances of osteoporosis?
A.Regular exercise
B.Adequate calcium intake
C.Decreased estrogen level
D.High bone mass
- 3.
Muscular dystrophy is primarily described as a condition of:
A.Inflammation
B.Autoimmunity
C.Progressive degeneration
D.Acute infection
- 4.
Which of the following is a bone-related disorder rather than a muscle-related disorder?
A.Myasthenia gravis
B.Tetany
C.Osteoporosis
D.Muscular dystrophy
- 5.
Which condition is primarily characterized by the 'autoimmune destruction of the neuromuscular junction'?
A.Muscular dystrophy
B.Myasthenia gravis
C.Rheumatoid arthritis
D.Tetany
- 6.
What happens to the 'joint space' in a clinical X-ray of a person suffering from advanced Arthritis?
A.It increases due to the swelling of the bone ends.
B.It decreases due to the erosion of articular cartilage.
C.It remains unchanged but appears brighter.
D.It disappears because the bones turn into cartilage.
- 7.
Which of the following ions is most critical in maintaining the stability of the resting membrane potential to prevent Tetany?
A.B.C.D. - 8.
Why are 'Selective Estrogen Receptor Modulators' (SERMs) like Raloxifene used in Osteoporosis management?
A.They act as estrogen agonists in bone but as antagonists in breast and uterine tissue
B.They increase the levels of circulating testosterone
C.They completely block all estrogen receptors in the body
D.They stimulate the thyroid gland to produce more calcitonin
- 9.
Which of the following would be an expected finding in the laboratory results of a patient with Tetany caused by hypoparathyroidism?
A.High Serum Calcium, High Serum Phosphate
B.Low Serum Calcium, High Serum Phosphate
C.Low Serum Calcium, Low Serum Phosphate
D.High Serum Calcium, Low Serum Phosphate
- 10.
The genetic mutation in Duchenne Muscular Dystrophy is located on which chromosome?
A.Chromosome 21
B.X chromosome
C.Y chromosome
D.Chromosome 11
Download the worksheet for Locomotion and Movement - Disorders (Myasthenia gravis, Tetany, Muscular dystrophy, Arthritis, Osteoporosis, Gout) to practice offline. It includes additional chapter-level practice questions.