HomeLearn Fast select Course
Change UnitChange SubjectLast Menu
NEET-XI-Biology

20: Locomotion and Movement

 page 2

Note: Please signup/signin free to get personalized experience.

Note: Please signup/signin free to get personalized experience.

10 minutes can boost your percentage by 10%

No item to list.

Note: Please signup/signin free to get personalized experience.

  
  • Qstn #6
    Match Column I with Column II :







    Column I Column II
    (a) Smooth muscle (i) Myoglobin
    (b) Tropomyosin (ii) Thin filament
    (c) Red muscle (iii) Sutures
    (d) Skull (iv) Involuntary
    Ans :





    Column I Column II
    (a) Smooth muscle (iv) Involuntary
    (b) Tropomyosin (ii) Thin filament
    (c) Red muscle (i) Myoglobin
    (d) Skull (iii) Sutures
  • Qstn #7
    What are the different types of movements exhibited by the cells of human body?
    Ans : Movement is a characteristic feature of living organisms. The different types of movement exhibited by cells of the human body are:


    • Amoeboid movement: Leucocytes present in the blood show amoeboid movement. During tissue damage, these blood cells move from the circulatory system towards the injury site to initiate an immune response.



    • Ciliary movement: Reproductive cells such as sperms and ova show ciliary movement. The passage of ova through the fallopian tube towards the uterus is facilitated by this movement.



    • Muscular movement: Muscle cells show muscular movement.

  • Qstn #8
    How do you distinguish between a skeletal muscle and a cardiac muscle?
    Ans :






    Skeletal muscle
    		 Cardiac muscle
    1. The cells of skeletal muscles are unbranched. 1. The cells of cardiac muscles are branched.
    2. Intercalated disks are absent. 2. The cells are joined with one another by intercalated disks that help in coordination or synchronization of the heart beat.
    3. Alternate light and dark bands are present. 3. Faint bands are present.
    4. They are voluntary muscles. 4. They are involuntary muscles.
    5. They contract rapidly and get fatigued in a short span of time. 5. They contract rapidly but do not get fatigued easily.
    6. They are present in body parts such as the legs, tongue, hands, etc. 6. These muscles are present in the heart and control the contraction and relaxation of the heart.
  • Qstn #9
    Name the type of joint between the following:-
  • #9-a
    atlas/axis
    Ans : atlas/axis: Pivotal joint
  • #9-b
    carpal/metacarpal of thumb
    Ans : carpal/metacarpal of thumb: Saddle joint
  • #9-c
    between phalanges
    Ans : between phalanges: Hinge joint
  • #9-d
    femur/acetabulum
    Ans : femur/acetabulum: Ball and socket joint
  • #9-e
    between cranial bones
    Ans : between cranial bones: Fibrous joint
  • #9-f
    between pubic bones in the pelvic girdle
    Ans : between pubic bones in the pelvic girdle: Cartilaginous joint
  • #10-a
    All mammals (except a few) have __________ cervical vertebra.
    Ans : All mammals (except a few) have cervical vertebra.
  • #10-b
    The number of phalanges in each limb of human is __________
    Ans : The number of phalanges in each limb of a human is.
  • #10-c
    Thin filament of myofibril contains 2 ‘F’ actins and two other proteins namely __________ and __________.
    Ans : Thin filament of myofibril contains 2 ‘F’ actins and two other proteins, namely and.
  • #10-d
    In a muscle fibre Ca++ is stored in __________
    Ans : In a muscle fibre, Ca++ is stored in the.
next page