Home/ Mohan Sharma/Answers
  1. Asked: In:

    Which of the following muscles act involuntarily? (i) Striated muscles (ii) Skeletal muscles (iii) Cardiac muscles (iv) Smooth muscles.

    Mohan Sharma

    (d) Working of cardiac and smooth muscles is not under our will. They are involuntary. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-6/

    (d) Working of cardiac and smooth muscles is not under our will. They are involuntary.

    https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-6/

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    • 15
  2. Asked: In:

    The movement of legs and hands while running or walking is due to

    Mohan Sharma

    (b) At joints two bones are joined together by tendons. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-6/

    (b) At joints two bones are joined together by tendons.

    https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-6/

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    • 5
  3. Asked: In:

    Which one of the following does not lose their nucleus at maturity?

    Mohan Sharma

    (c) Companion cell does not lose nucleus at maturity whereas rest others does lose it. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-6/

    (c) Companion cell does not lose nucleus at maturity whereas rest others does lose it.

    https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-6/

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    • 5
  4. Asked: In:

    Voluntary muscle are found in

    Mohan Sharma

    (d) We can move limbs according to our will (voluntarily). https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-6/

    (d) We can move limbs according to our will (voluntarily).

    https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-6/

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    • 6
  6. Asked: In:

    Nerve cells does not contain

    Mohan Sharma

    (b) Tendon is a type of connective tissue which joins muscles to bones. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-6/

    (b) Tendon is a type of connective tissue which joins muscles to bones.

    https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-6/

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    • 4
  7. Asked: In:

    Cardiac muscles are

    Mohan Sharma

    (d) Cardiac muscles. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-6/

    (d) Cardiac muscles.

    https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-6/

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    • 12
  8. Asked: In:

    Which of the following cells is found in the bony tissue of the body?

    Mohan Sharma

    (d) In bones osteocytes are found while in cartilage, chondrocytes are present. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-6/

    (d) In bones osteocytes are found while in cartilage, chondrocytes are present.

    https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-6/

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    • 5
  9. Asked: In:

    Which of the following does not have cartilage?

    Mohan Sharma

    (b) Kidneys are soft organs and have no cartilage. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-6/

    (b) Kidneys are soft organs and have no cartilage.

    https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-6/

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    • 7
  11. Asked: In:

    A student inserted a nail in a trunk of tree at a height of 2 metre from the ground level. After 3 years the nail will

    Mohan Sharma

    (d) Apical meristem is present at the apex of branches and main stem. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-6/

    (d) Apical meristem is present at the apex of branches and main stem.

    https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-6/

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    • 25
  12. Asked: In:

    Cork cells are made impervious to water and gases due to presence of

    Mohan Sharma

    (a) Cork cells are made impervious to water and gases due to the presence of suberin. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-6/

    (a) Cork cells are made impervious to water and gases due to the presence of suberin.

    https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-6/

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    • 20