Content text locomtion and movements .pdf
Smart Naukri Chapter --20 Locomotion and movement 1.streaming of ---------------- in the -----------------like amoeba is a ------------- form of movement 2.voluntary movements such as walking , running,are called as ---------------- 3.In ------------------cilia helps in the movement of food through -------------------- 4.Hydra can use its -----------------for capturing its prey . #State true and false 5.We use limbs for change in body posture only . True/False 6.All locomotions are movements . True/False 7.all movements are also locomotion . true/false 8.methods of locomotion depends performed by the animals vary with their habitats and demand of the situation . true/false 9.cells of the human body exhibits mainly -------------types of movements namely ---------------, -----------------, and --------------------- 10.some specialized cells like --------------and -----------------shows ---------------- movement . 11.amoeboid movement effected by ---------------in amoeba . 12.cytoskeletal elements like microfilaments are also involved in the --------------- ---movement. 13.cilliary movements occurs in most of the internal hollow organs which are lined by the --------------------------- 14.the coordinated movement of ---------- helps in trachea helps in removing dust particles and foreign material . 15.passage of ova through female reproductive tract is also facilitated by the ---- -----------
16.the -----------------------property of muscles are effectively used in the locomo- tion Muscle 17.-----------------------movement help in the swimming of the spermatozoa . 18.maintenance of water current in the canal system is facilitated by --------------- ---movement 19.which type of movement is seen in euglena -- 20.muscle is a specialized tissue of --------------- origin 21.about ------------percent of the body weight of human is contributed by mus- cles . # state true and false 22.skeleton muscles are closely associated with the cartilage .true/false 23.skeletal muscles have stripped appearance hence are called striated muscles . true/false 24.skeletal muscles are involuntary . true/false 25.visceral muscles do not show any striation . true/false 26.viscreal muscles are voluntary/involuntary 27.muscle fibre is synchytium . true/false 28.each skeletal muscle in our body is made up of number of ------------------or----- -------held together by a common collagenous tissue called ---------- 29.each muscle fibre is lined by the -----------------are called as ------------- 30.sarcoplasmic reticulum is a store house of ------------------ 31.a characteristic feature of muscle fibre is the number of parallely arranged filaments are called --------------- 32.light bands contain -----------and is called and is called ---------------- 33.dark bands contain --------------and is called --------------- 34.in the centre of each I band there is an elastic fibre called -------------line
35.the thick filaments in the ------------line are held together with the help of thin fibrous membrane called -------------line 36.the portion of the myofibrils between two successive Z line is called as -------- -------------which is the -------------------------- 37.the central part of the thick filament is not overlapped by the thin filament is called ------------zone . Structure of contractile proteins #. State true and false 38.each actin filament is made up of two actin filament spirally wound to each other . true/false 39.each F actin is polymer of monomeric globular actin . true/false 40.tropomyosin also run close to G actin through out its length . true/false 41.a complex protein troponion is distributed at regular intervals on the tropo- myosin . true/false 42.many monomeric proteins called tropomyosin constitute one thick filament . true/false 43.the globular head is an active ATPase enzyme and has binding site for ATP only . true/false 44.mechanism of muscle contraction is best explained by -------------------- 45.mucsle contraction is initiated by a signal sent by the ----------------via a --------- -- 46.a motor neuron along with the muscle fibre connected to it constitute a ------- ------- 47.the junction between a motor neuron and sarcolemma of muscle fibre is called --------------------------- 48.increase in the -------------------level lead to the binding of --------------with the subunit of troponin . 49.the Z line attached to these actins are -------------------
50.which band retain their length . 51.which band get redued . #. State true and false . 52.the reaction time of fibres is same in all muscles .true/false 53.repeated activation of the muscles can lead to accumulation of lactic acid .true/false 54.muscle contain a red coloured oxygen storing pigment is called ---------------- 55.red fibres contain of plenty of ----------------------which can utilized a large amount of oxygen stored in them for ATP production . 56.which muscle fibres have large amount of sarcoplasmic reticulum. Skeleton system 57.skeleton system consist of framework of ----------------and few --------------- 58.the bone has hard matrix due to -----------in it and cartilage has pliable matrix due to -------------------------- 59.axial skeleton comprise of -----------bones 60.skull composed of two sets of bone -----------and ------------that totals to --------- ---bones 61.a single U shaped bone called -------------present at base of buccal cavity 62.malleus , incus , stylous collectively called ear ossicles . true/false 63.the skull region articulate with the superior region of the vertebral column with the help of three condyle . true/false 64.which type of skull human have ? 65.each vertebra has a central hollow portion called ------------ 66.first vertebra is --------------and it articulate with the --------------- # State true and false