SolveItClass 10 · NCERT

NCERT Solutions · Class 10 Science Control and Coordination

12 questions · 12 still being checked

EXERCISES 1–12

  1. Exercise 1

    Which of the following is a plant hormone?
    (a)
    Insulin
    (b)
    Thyroxin
    (c)
    Oestrogen
    (d)
    Cytokinin.
    NCERT’s answer
    (d)

    Working being prepared

  2. Exercise 2

    The gap between two neurons is called a
    (a)
    dendrite.
    (b)
    synapse.
    (c)
    axon.
    (d)
    impulse.
    NCERT’s answer
    (b)

    Working being prepared

  3. Exercise 3

    The brain is responsible for
    (a)
    thinking.
    (b)
    regulating the heart beat.
    (c)
    balancing the body.
    (d)
    all of the above.
    NCERT’s answer
    (d)

    Working being prepared

  4. Exercise 4

    What is the function of receptors in our body? Think of situations where receptors do not work properly. What problems are likely to arise?

    Solution being prepared

  5. Exercise 5

    Draw the structure of a neuron and explain its function.

    Solution being prepared

  6. Exercise 6

    How does phototropism occur in plants?

    Solution being prepared

  7. Exercise 7

    Which signals will get disrupted in case of a spinal cord injury?

    Solution being prepared

  8. Exercise 8

    How does chemical coordination occur in plants?

    Solution being prepared

  9. Exercise 9

    What is the need for a system of control and coordination in an organism?

    Solution being prepared

  10. Exercise 10

    How are involuntary actions and reflex actions different from each other?

    Solution being prepared

  11. Exercise 11

    Compare and contrast nervous and hormonal mechanisms for control and coordination in animals.

    Solution being prepared

  12. Exercise 12

    What is the difference between the manner in which movement takes place in a sensitive plant and the movement in our legs?

    Solution being prepared