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7. Control and Coordination-Exercise Science Class 10 In English
Last Updated : 06 March 2026
Explore science Solutions for Class 10 Chapter 7. Control and Coordination Topic Exercise in English medium.
7. Control and Coordination-Exercise Science Class 10 In English
Last Updated : 06 March 2026
7. Control and Coordination-Exercise Science Class 10 In English
7. Control and Coordination
Exercise
NCERT Solutions Exercise
Q1. Which of the following is a plant hormone?
(a) Insulin
(b) Thyroxin
(c) Oestrogen
(d) Cytokinin.
Answer: (d) Cytokinin.
Q2. The gap between two neurons is called a
(a) dendrite.
(b) synapse.
(c) axon.
(d) impulse.
Answer: (b) synapse.
Q3. The brain is responsible for
(a) thinking.
(b) regulating the heart beat.
(c) balancing the body.
(d) all of the above.
Answer: (d) all of the above.
Q4. What is the function of receptors in our body? Think of situations where receptors do not work properly. What problems are likely to arise?
Answer: The receptor is located in the sensitive organs. They receive information from the environment. Through these, the person balances himself with the environment, if they do not work properly, then the brain will not be able to receive information or will delay, so the person will become insecure.
Q5. Draw the structure of a neuron and explain its function.
Answer: Nerve cell (neuron) is the functional and structural unit of the nervous system. It is divided into three parts.
(i) stem, (ii) cell, (iii) axon
Our body has sensory nerves and nerves. The sensory nerve carries the information to the spinal cord after receiving the stimulus from the receptor organs and the information from the carrier brain reaches the organs.
Q6. How does phototropism occur in plants?
Answer: Root responds by turning opposite to light and stem by turning in the direction of light, it is called phototropism. Oxygen hormone is secreted in the plant. It enters the dark part of the stem in the sunlight and the cells there are elongated and they are bent towards the light. This is called positive photoelectricity. Roots indicate negative.
Q7. Which signals will get disrupted in case of a spinal cord injury?
Answer: Reversible actions will not be able to complete. Apart from this, not all information will be transmitted properly.
Q8. How does chemical coordination occur in plants?
Answer: Plant cells secrete hormones. These hormones control growth, development and division. These hormones establish chemical coordination.
Q9. What is the need for a system of control and coordination in an organism?
Answer: If the system of control and coordination is not there in the organism, then the cells will not work as per the wishes of the organism. Therefore, it is very important to control them. It is effective for normal functions in multicellular organisms.
Q10. How are involuntary actions and reflex actions different from each other?
Answer: Involuntary Actions:
(i) These activities are controlled by the brain - beating of the heart, breathing.
(ii) It takes more linen to complete these activities.
Reversible Actions:
(i) These activities are controlled by the spinal cord. Usage : the withdrawal of the hand on touching a hot object.
(ii) These activities take very less time to complete.
Q11. Compare and contrast nervous and hormonal mechanisms for control and coordination in animals.
Answer: Nervous mechanism of action:
(i) Nervous system receives sensory information and sends its message and controls it.
(ii) The nervous system forms its own network in the body and has its own structural unit.
Reversible Actions:
(i) Hormones are secreted only by important glands in the organs of the body, these hormones control many activities for example - growth, development, reproduction etc.
(ii) Hormones themselves are secreted in the body.
Q12. What is the difference between the manner in which movement takes place in a sensitive plant and the movement in our legs?
Answer: Movement in Mimosa Plants:
(i) The basis of motion in this plant is touch.
(ii) Here the motion is based on the bending and blooming of the husbands.
(iii) Here the size of the leaves also changes.
Speed of our leg:
(i) The basis of motion in this is the human nervous system.
(ii) Here the motion is based on the contraction and expansion of the muscles.
(iii) There is no change in the size of the foot or its muscles.
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NCERT Solutions for Class 10 science Chapter 7. Control and Coordination Topic Exercise
NCERT Solutions for Class 10 science Chapter 7. Control and Coordination Topic Exercise are prepared to help students understand important concepts of the chapter in a simple and clear manner. These solutions are based on the latest CBSE syllabus and follow the official NCERT textbooks. Students who are searching for accurate answers and step-by-step explanations can use these solutions to improve their learning and prepare better for school exams as well as board examinations.
In this section you will find Class 10 science NCERT Solutions covering important questions, explanations and concept-based answers. Each question from the NCERT book is solved carefully so that students can understand how to write answers correctly in examinations. These solutions are also useful for quick revision before tests and assignments.
Why NCERT Solutions Are Important for Class 10 science
NCERT books are considered the most reliable study material for CBSE students. Most examination questions are directly based on NCERT textbooks. Therefore studying NCERT Solutions for Class 10 science helps students understand the exact pattern of questions and the correct method of answering them.
By practicing the questions from Chapter 7. Control and Coordination, students can strengthen their conceptual knowledge and improve their analytical thinking skills. These solutions also help students identify the most important topics and prepare effectively for school examinations.
About Chapter 7. Control and Coordination of Class 10 science
Chapter 7. Control and Coordination is an important part of the Class 10 science syllabus. This chapter explains several key concepts which are essential for understanding the subject in detail. Students often face difficulties while solving textbook questions related to this chapter. That is why NCERT Solutions for Chapter 7. Control and Coordination are provided to explain every concept in a simple and structured way.
The explanations provided here follow the official NCERT approach so that students can easily relate them to their textbook content. By studying these answers carefully, students can learn how to structure their answers and present them clearly in exams.
Understanding Topic: Exercise
The topic Exercise plays a significant role in Class 10 science Chapter 7. Control and Coordination. Students must understand this topic clearly because it often appears in examinations in the form of short answer or long answer questions. The solutions provided here explain the topic in a step-by-step format so that students can easily grasp the concept.
By studying Exercise carefully, students can build a strong foundation in the subject and improve their overall academic performance. These solutions also help students revise the topic quickly before examinations.
Benefits of Using NCERT Solutions
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Students studying NCERT Solutions for Class 10 science Chapter 7. Control and Coordination can easily understand the important points of the chapter. These solutions are also useful for completing homework assignments and preparing for tests.
Study NCERT Solutions in english
These solutions are available in english medium so that students can easily understand the concepts in their preferred language. Whether students are studying in Hindi medium or English medium, these solutions help them learn the subject more effectively and prepare confidently for examinations.
By practicing questions from Class 10 science Chapter 7. Control and Coordination Topic Exercise, students can strengthen their conceptual understanding and improve their problem-solving skills.
Conclusion
In conclusion, NCERT Solutions for Class 10 science Chapter 7. Control and Coordination Topic Exercise provide complete guidance for students who want to understand the chapter thoroughly. These solutions make learning easier, help students revise important concepts and improve their exam performance. Students should practice these answers regularly to build strong fundamentals and achieve better results in their examinations.
7. Control and Coordination-Exercise Science Class 10 In English
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7. Control and Coordination-Exercise Science Class 10 In English Study Materials For Class 6 to 12
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