Class 10th History Chapter 7 Ncert Solutions Technology
Since Class 10th History Chapter 7 Ncert Solutions Technology Class 10th History Chapter 7 Ncert Solutions Technology class 10 is a board exam, you must need help to practice and learn NCERT Class 10th History Chapter 7 Ncert Solutions Technology Solutions for Class 10 science chapter 7 control and coordination. Latest : Trouble with homework? Post your queries of Maths and Science with step-by-step solutions instantly.
Ask Mr AL. What is the difference between a reflex action and walking? What happens at the class 10th history chapter 7 ncert solutions technology between two neurons?
The synapse is the small empty space between the two nerve cells. At the synapse, a chemical substance is produced at the end of the axon of one of the neurons that reaches to the other neurons Ncert Solutions For Class 10th History Chapter 7 Quart with the help of dendrite. Therefore, the information signal is transmitted through one neuron to other neurons by synapse. Which part of the brain maintains posture Class 10th History Chapter 7 Ncert Solutions Technology and equilibrium of the Class 10th History Chapter 7 Ncert Solutions Corp body?
Cerebellum control and maintains the posture and equilibrium of the body. How do we detect the smell of an agarbatti incense stick? The smell of agarbatti incense stick mixed in the air. It is detected by the olfactory receptor Chapter History Class Ncert Solutions 10th 7 Technology of the nose. The sensory nerves of the forebrain sent this information to the olfactory lobe and respond to the information signal.
What is the role of the brain in reflex action? There is no role of the brain in a reflex action. These involuntary actions are controlled by the spinal cord, which reacts immediately without thinking of how to respond to a stimulus. What are plant hormones? Plant hormones - These are also called phytohormones.
Plant hormones are the chemical substance which helps in the growth Class 10th History Chapter 7 Ncert Solutions Technology of the plant heightflowering and also the development of plants and their response to the environment. For example; auxins, gibberellins and cytokinins are some phytohormones. How is the movement of leaves of the sensitive plant different from the movement of a shoot towards light?
Give an example of a plant hormone that promotes growth. Auxins is phytohormones that promote the growth in plants. How do auxins promote the growth of a tendril Class 10th History Chapter 7 Ncert Solutions Technology Solutions 10th 7 Ncert Technology History Class Chapter around a support?
When the tip of tendril touches support, then auxin of that side Class 10th History Chapter 7 Ncert Solutions Technology of the tip is moving away from the side of the support. As we know, auxin class 10th history chapter 7 ncert solutions technology growth. So, due to the presence of more auxin in it, the side of tendril away from the support grow longer and faster than the support.
And due to this type of growth, it makes the tendrils bend around the support. Design an experiment to demonstrate hydrotropism. The movement of the plant in the direction of the stimulus is called tropism.
AIM: To demonstrate hydrotropism in plants. Plant a seedling in a vessel containing soil. Adjacent to the seedling put a porous pot containing water.
Leave the set up for a few days. On examining the roots of seedlings it is observed that the roots bend towards the source of water and do not grow straight. It confirms that plant shows hydrotropism as the roots bend towards the porous pot of water. Hydrotropism is a plant Class 10th History Chapter 7 Ncert Solutions Technology growth response in which the direction of growth is determined by a stimulus of Class 10th History Chapter 7 Ncert Solutions Technology the gradient in water concentration.
How does chemical coordination take place in animals? In animals, chemical coordination takes place through the hormones secreted by the endocrine gland. It can also Class 10th History Chapter 7 Ncert Solutions Technology be done by the class 10th history chapter 7 ncert solutions technology system, which is called the endocrine.
Endocrine glands secrete hormone directly into the bloodstream that directly reaches Class 10th History Chapter 7 Ncert Solutions Technology Class 10th History Chapter 7 Ncert Solutions Technology Class 10th History Chapter 7 Ncert Solutions Technology Class 10th History Chapter 7 Ncert Solutions Technology to the specific cells. These cells act accordingly to the information that particular hormones carry.
Why is the use of iodised salt advisable? Thyroid glands need iodine to produce Class 10th History Chapter 7 Ncert Solutions Technology the thyroxine hormone which, controls the metabolic activities in our body such as metabolism of carbohydrates, fats and protein.
Aso, due to lack of thyroxin a disease called goitre is caused. How does our body respond when adrenaline is secreted into the blood? The Class 10th History Chapter 7 Ncert Solutions Technology rate of heartbeat becomes faster when adrenaline is secreted into the blood so that Class 10th History Chapter 7 Ncert Solutions Technology Class 10th History Chapter 7 Ncert Solutions Technology the supply of oxygen to our muscles is. The amount of blood to the digestive system and skin is reduced because of the small arteries around the muscles of these organs contract. As a result, it turns the direction of blood towards our skeletal Class 10th History Chapter 7 Ncert Solutions Technology muscles.
The respiration function becomes faster due to the contraction of diaphragm and rib muscles. Why are some patients of diabetes treated by giving injections of insulin? Insulin hormone regulates the level of sugars in the blood. If it is not adequately secreted, then the sugar level rises in our blood, causing many harmful effects.
So, that is why diabetic patients are treated by giving injections of insulin. Which of the following is a plant hormone? The correct option is D. Plant hormones are auxins, gibberellin, cytokinin. Insulin, thyroxine and estrogen are hormones secreted by the human body. The gap between two neurons is called as :. The correct option is b. A small space between the Class 10th History Chapter 7 Ncert Solutions Technology two nerve cells is known as the synapse.
It helps in the transmission of an information signal. The brain is Ncert Solutions For Class 10th History Chapter 2 Image responsible. The function of the brain is; thinking, regulating the heartbeat, and balancing the body.
All the voluntary action are controlled by the different parts of the brain. So, the correct option is d. What is the function of receptors in our body? Think of situations where receptors do not work properly. What Class 10th History Chapter 7 Ncert Solutions Technology problems are likely to arise? The function of receptors is to detect the information from the environment. These are located in our sensory organs like eye, ear, skin, nose Class 10th History Chapter 7 Ncert Solutions Technology and tongue.
For example, olfactory receptor detect the smell. If these receptors do not Class 10th History Chapter 7 Ncert Solutions Technology work correctly, there will be a delay in getting information from the environment to the Class 10th History Chapter 7 Ncert Solutions Technology brain or spinal cord and due to this, the reaction of the information is Class 10th History Chapter 7 Ncert Solutions Technology also late, which causes harmful effects on our body. For example,- if skin receptors are damaged, then we cannot get the heat as a stimulus.
And if we Class 10th History Chapter 7 Ncert Solutions Technology accidentally touch the hot object, then our hands might get burnt. Draw the structure of Class 10th History Chapter 7 Ncert Solutions Technology a neuron and explain its function. Class 10th history chapter 7 ncert solutions technology Class 10th History Chapter 7 Ncert Solutions Technology structure of the nerve cell or neuron- A neuron is the functional unit of the nervous. It has three main parts. The function of nerve cell. Class 10th history Class 10th History Chapter 7 Ncert Solutions Technology chapter 7 ncert solutions technology carries the information in the class 10th history chapter 7 ncert solutions technology of an electrical signal, known as nerve impulses.
Cells receive a stimulus to send it to the brain and the spinal cord carries the message from the brain to the target organs. How does phototropism occur in plants? Answer :. Phototropism is the movement of any part of the plant due to light.
Positive phototropism is shown by the shoot of the plant and root shows negative phototropism. This phenomenon is due to the plant hormone, called auxin. When light falls on the side of the plant, the auxin hormone shifts towards the other side, which is away from the light.
Thus auxin causes growth is the length of the cells in the shady. As a result, the plant appears to be bent towards the sun. Which signals will get disrupted in case of a spinal cord injury? In the case of spinal cord injury, the following will happens.
How does chemical coordination occur in plants? Phytohormones or Class 10th History Chapter 7 Ncert Solutions Technology plant hormones are responsible for the chemical coordination in plants. These hormones regulate the Class 10th History Chapter 7 Ncert Solutions Technology growth of the plants. For example- Auxin can help in the growth of the plant Class 10th History Chapter 7 Ncert Solutions Technology stem and Cytokinin is responsible for the cell division.
What is the need for a Class 10th History Chapter 7 Ncert Solutions Technology system class 10th history chapter 7 ncert solutions technology control and coordination in an Solutions 7 Chapter Ncert 10th Class History Technology organism? For the following function, an organism needs control and coordination system.




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