NCERT Solutions For Class 10 Science Chapter 7: Control and Coordination

NCERT Solutions for Class 10 Science Chapter 7 Control and Coordination is provided in the article below. Some of the important topics of Control and Coordination chapter includes:

  1. Control and Coordination in Humans
  2. Nervous System
  3. Functions of the Nervous System
  4. Reflex Action and Reflex Arcs
  5. Hormones in Animals
  6. Functions of Hormones in Animals
  7. Control and Coordination in Plants

Expected no of questions: 3 to 4 marks for a total of 6 marks.

Download PDF: NCERT Solutions for Class 10 Science Chapter 7 pdf


NCERT Solutions for Class 10 Science Chapter 7

NCERT Solutions for Class 10 Science Chapter 7 Control and Coordination is given below.

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Class 10 Science Chapter 7 Control and Coordination – Important Topics

Control and coordination are carried out by the nervous system in the human body which contains three types of nerves:

  • Cranial
  • Spiral
  • Visceral

Chemical control and coordination taking place with the help of endocrine systems helps to regulate all the systems of the body to ensure proper coordination as well as efficient functioning of an organism. A human body is connected through these nerves as they run throughout the body and help in sending and receiving messages. They help in controlling and coordinating our actions based on the environment.

Brian: Brain is the control centre of the nervous system. The brain is highly protected by the skull. The brain is protected by three membranes known as cranial meninges. The three parts of brain are Forebrain, Midbrain and Hindbrain.

Neurons: The structural and functional unit of the nervous system is the neuron. A neuron is a microscopic structure that consists of three major components: the cell body, dendrites, and axon.

Sense organs: Touch, vision, hearing, smell, and taste are the five most vital senses in the human body. These sensory receptors can be found in the skin, mucous membranes, connective tissues, and muscles, among other places.

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CBSE X Related Questions

  • 1.
    Assertion (A): Reflex actions do not involve thinking.
    Reason (R): Most reflex actions are controlled by the spinal cord.

      • Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
      • Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
      • Assertion (A) is true, but Reason (R) is false.
      • Assertion (A) is false, but Reason (R) is true.

    • 2.
      A convex lens of focal length 15 cm, is forming a real image. If the size of image is same as the size of object, then position of object and position of image will be, respectively :

        • \(-15 \, \text{cm and} -15 \, \text{cm from lens}\)
        • \(-15 \, \text{cm and} +15 \, \text{cm from lens}\)
        • \(-30 \, \text{cm and} +30 \, \text{cm from lens}\)
        • \(-30 \, \text{cm and} -30 \, \text{cm from lens}\)

      • 3.
        Due to change in length and area of cross-section of a conductor, resistance of conductor changes while resistivity does not change. Why ?


          • 4.
            State two differences between the act of chewing food and salivation on sight of food.


              • 5.
                Give one example each of electrolytic decomposition and decomposition by sunlight.


                  • 6.
                    How does the change in curvature of the eye lens help us in the process of seeing the nearby objects clearly?

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