(i) Anaerobic respiration : The anaerobic respiration in plants (like yeast) produces ethanol and carbon dioxide as end products. Draw a diagram of human brain and label cerebrum, cerebellum, medulla and fore brian on it. Also, this chapter will show you how a stomata works and exchange gases. Nature. (a) Property: Thigmotropism. (CCE 2012) (i) The gaseous exchange of oxygen and carbon dioxide occurs in between the blood of the capillaries that are present around the alveoli and the gases that are present in the alveoli. Question 7. The walls of the small intestine contain glands, which secrete intestinal juice. How the timing and amount of hormone released is regulated ? Answer: TSH acts only on thyroid while thyroxine affects all body parts. Urine : The filtrate which remained after reabsorption is called urine. Nephrons are functional unit of kidney. Bile salts break them down into smaller globules increasing the efficiency of enzyme action. 18. How is food transported in plants ? 3. Activities. Justify the statement in the reference of feedback mechanism that regulates the timing and amount of hormone released. They are composed of nucleotides, which are the monomers made of three components: a 5-carbon sugar, a phosphate group and a nitrogenous base.The two main classes of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). (CCE 2015). 2. Explain them by giving one example for each. There is increase in breathing rate and heart beat. Moist: The air sacs are composed of mucus that makes them moist which helps the gases to dissolve easily before diffusing. How would she respond to this situation ? The transportation of water and minerals in the plants occurs through the xylem tissues which is a part of the vascular system and occurs mainly in the upward direction that is from roots to the leaves while the other part of the vascular system includes phloem vessels which help in the transportation of the photosynthetic products within the plants, from leaves to all parts like the stem, roots, fruits, etc. Question 57. official website and that any information you provide is encrypted Name the plant hormones which help or promote. 3. Glucagon (secreted by a-cells of islet of Langerhans) (a) Nerve Impulse. Answer: Acetylcholine is picked up by Ach receptors present on the surface of muscle fibre. It has various functions, generally other than survival and protection. Question 43. Produces erythropoietin that stimulates bone marrow to form more RBCs. 2009, 2010, CCE 2012, 2014, 2015) Alveoli provide a wide surface for gaseous exchange. Question 1. Also mention the digestive enzymes secreted by this organ with one function each. Dendrite. What are the differences between the transport of materials in the xylem and phloem? Answer: On the other hand, you will get know-how plants can perform photosynthesis from the very basic to advanced. Cerebrospinal fluid present in subarachnoid space and ventricles of brain. Definition of Hydrotropism:Hydrotropism is directional movement of curvature which occurs in response to unilateral stimulus of water. Question 4. 15. Answer: Question 32. Wont Go Down What do we call the movement of shoot towards light ? (CCE 2015) Maintains posture and equilibrium of the body, Detects the smell of agarbatti. Function. (a) State the function of the following plant hormones : (b) Define chemotropism. Mention the function of hind brain in humans. Answer: Name the largest cell present in human body. This induces the mucles fibre to contract. Motor end plate consists of a number of knobbed branches. This induces the mucles fibre to contract. Ceylon Cinnamon Answer: Answer: (c) Stomata Due to this character, they can maintain their temperature constant throughout and the changes in their environment do not affect their body temperature regulation. (b) List four characteristics of hormones They are transported from the site of production to the site of action through circulatory system. (i) cytoplasm Positive feed is rare as during uterine contraction at child birth. The processes that are essential for maintaining life are nutrition, respiration, transportation, excretion, and control, and coordination. (i) The plants get rid of gaseous products-through stomata in leaves and lenticels in stems. Tropic movements are directional paratonie curvature movements of growth which generally occur in cylindrical organs with direction of movement being determined by the direction of stimulus. (iv) Excretion. Answer: (CBSE Delhi 2004) NCERT Solutions to help you to revise complete syllabus and score more marks in your examinations. Read on to find out everything about NCERT class 10 science book activities solutions chapter 6. Moisten the same. Higher growth is caused by hormone auxin which is synthesised at the shoot tip. Xylem conducts water and dissolved minerals from roots to leaves and other parts. Answer: Fore-Brain: Olfactory lobes (2), Cerebral hemispheres (2) or cerebrum, Diencephalon. It transfers the sensory nerve impulse to one or more motor neurons. (iii) Transportation Gibberellin: Growth in stem and leaves, higher fruit yield, overcoming dormancy. Lastly, the urine is then collected in the urinary bladder. Answer: 7. Peripheral nervous system has two components, voluntary and involuntary. (CCE 2012) The Association for Academic Surgery is widely recognized as an inclusive surgical organization. (b). It then pumped out the blood to whole body via aorta. OpenStax Question 28. If you are still unsure whether your product would be considered a device software function, please contact[emailprotected]. 13. Answer: Water and dissolved minerals get into the root hair by the process of diffusion. The excitation spreads over the whole muscle fibre. Question 29. Name the components of this nervous system and distinguish between the origin of the two. (CBSE Delhi 2004) (b) Explain the mechanism of reflex action. (CBSE Delhi 2006 C, CCE 2010, 2015) Define hormones. (b) acetic acid In contrast, animals like amphibians or many reptiles have three-chambered hearts as they can tolerate some mixing of the oxygenated & de-oxygenated blood streams. It includes dormancy in buds and seeds. Much less energy is produced in anaerobic respiration. The movement of food in phloem (or translocation) takes place by utilizing energy. (b) Beating of heart, salivation in the mouth on viewing of tasty food. Write one function of each hormone named. Question 30. Components. We use cookies that are necessary to make the site function and to provide the best experience. Prediabetes is a condition in which blood sugar is higher than normal, but it's not high enough to be considered Type 2 diabetes. Necessity of double circulation: The right side and the left side of the human heart are useful to keep deoxygenated and oxygenated blood from mixing. Question 7. Answer: NCERT Solutions for Class 10 Social Science; NCERT Solutions for Class 10 Maths. 5. Question 51. Answer: How are water and minerals transported in plants? (iv) transport of oxygen Eg: All green plants, algae, some bacteria, seaweeds, etc. Within the lungs, the air passage divides into smaller and smaller tubes, called bronchi which in turn form bronchioles. Diabetes The food here is prepared by the process of photosynthesis which requires all the raw materials that are mentioned above. The interconnected vessels and tracheids form a continuous system of water conducting channels reaching all parts of the plant. The plant shows geotropic response. In this chapter, you will learn about the difference between plants and animals' life process, which will help students understand their working and how plants are green in color, and how they get to prepare their food all by themselves. After that he has lost the capacity to, Question 14. Therefore, it is mostly transported from body tissues in the dissolved form in our blood plasma to lungs. Sucrose is a food material that requires energy in the form of ATP when it is transported into the phloem tissue. Question 10. State the sequence of events through a reflex arc which occur when bright light is focussed on your eyes. The various juices from the liver (bile juice) and liver (pancreatic juice) are secreted in the small intestine. Turgor Movements: Change in hydration of certain cells gives rise to these movements, e.g, closure and opening of stomata, nyctinasty or sleep movements in legumes, hydronasty in many grasses, seismonasty in Sensitive Plant. (d) The autotrophic mode of nutrition requires carbon dioxide, water, chlorophyll, and sunlight. Answer: Answer: This increases the osmotic pressure that moves the material in the phloem to tissues which have less pressure. The water and mineral which is obtained from the soil through roots are conducted through the xylem tissues to various parts of the plant while the food materials are conducted through the phloem tissues from the leaves to different parts of the plant body. Phototropism, geotropism. It is through chemicalscalled hormones. The life processes class 10 pdf that we have created for the students will help them revise and clear their doubts if they have regarding the concepts and the definitions present in this chapter. Digestive enzymes break down these complex molecules into smaller simpler molecules so that they can be absorbed by the walls of the intestine. [7] Dr. Joseph Murray of Brigham and Women's Hospital was given the Nobel Prize in Physiology or Medicine in 1990 for work on immunosuppression. In the human digestive system, what are the functions of the pancreas and liver, according to Chapter 6 of Class 10 Science? Lipase enzyme present in the pancreatic juice causes break down of emulsified fats. Answer: Gland: Pancreas ((3-cells of islets of Langerhans). What are the functions of these components? For more information on how the FDA defines and regulates a general wellness product, please refer to the FDA's guidance document General Wellness: Policy for Low Risk Devices. Glands present in the wall of small intestine secrete intestinal juice which contains lipase enzyme that converts fats into fatty acids and glycerol. The FDA considers software intended to be used for one or more medical purposes that perform these purposes without being part of a hardware medical device to be software as a medical device. Clipboard, Search History, and several other advanced features are temporarily unavailable. The excitation spreads over the whole muscle fibre. Nastic and trophic Mention the part of the body where gustatory and olfactory receptors are located. Question 50. The FDA considers a product to be a device, and subject to FDA regulation, if it meets the definition of a medical device per Section 201(h) of the Food, Drug, and Cosmetic Act. For instructions on how to submit a 513(g) Request, refer to the guidance document FDA and Industry Procedures for Section 513(g) Requests for Information under the Federal Food, Drug, and Cosmetic Act Guidance (2012). Refer to NCERT Solutions for Chapter 6 of Class 10 Science free of cost on the Vedantu website or the Vedantu app, to get in-depth knowledge of the Chapter. Combination products are therapeutic and diagnostic products which combine drugs, devices and biological products. (ii) Xylem elements consist of vessels and tracheids. Ans: The different ways in which glucose is oxidized to provide energy in various organisms are: 12. Give its two examples. State its significance. These enzymes also function as a biocatalyst that increases the rate of reaction and thus accelerates the rate of breaking down of complex food. These fundamental life processes include nutrition, respiration, transportation, excretion, control and coordination, growth, and reproduction. ADH or vasopressin and aldosterone (a mineralocorticoid). Ans: The comparison of alveoli in the lungs and nephrons in the kidneys are: (i) Alveoli are air-sacs that are present in the lungs in the form of balloon-like structures. (ii) respiration Ans: Double circulation is a process of blood circulation in which blood flows twice through the heart. Because of this, air is sucked into the lungs and fills the expanded alveoli. some important functions in the body of the organisms. Observe after 2-3 days. (a) Which part of the brain gets affected by consuming alcohol ? Answer: Question 5. Do you need help with your Homework? [3] Additionally, it is used for treating graft-versus-host disease after a bone marrow transplant, or for the treatment of auto-immune diseases such as systemic lupus erythematosus, rheumatoid arthritis, Sjgren's syndrome, or Crohn's disease. For further information on how to classify a medical device, please refer to the Classify Your Device page. Ans: The transportation of water and minerals in the plants occurs through the xylem tissues which is a part of the vascular system and occurs mainly in the upward direction that is from roots to the leaves while the other part of the vascular system includes phloem vessels which help in the transportation of the photosynthetic products within the plants, from leaves to all parts like the stem, roots, fruits, etc. Ans: The amount of urine that is regulated depends upon the amount of water and other substances that are present. What is synapse ? How is oxygen and carbon dioxide transported in human beings ? Parathormone. Longdom Conferences, Medical, Physics, Chemistry, (CBSE Delhi 2007) Answer: Insulin (secreted by (3-cells of islet of Langerhans) A: How to reverse prediabetes Describe double circulation in human beings. Name the structural and functional units of human nervous system. Growth Hormone in Man (GH, Somatotrophic Hormone). No fees Cancel anytime. (iii) Controls basal metabolic rate (BMR) Deficiency of Insulin. Answer: Question 11. (CCE 2016) Out of the options given below, choose the correct combination of condition and product? They do not catalyse reactions. What are the differences between aerobic and anaerobic respiration ? As a result, the immune system detects the new tissue as "foreign", and attempts to remove it by attacking it with white blood cells, resulting in the death of the donated tissue. Lost the capacity to, Question 14 simpler molecules so function of pancreas class 10 They be...: the amount of hormone released is regulated depends upon the amount of urine is! At the shoot tip ) Maintains posture and equilibrium of the brain gets by. Best experience which in turn form bronchioles aldosterone ( a mineralocorticoid ) you provide is encrypted Name the.! Which remained after reabsorption is called urine rate ( BMR ) Deficiency of Insulin Question.! 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Parts of the brain gets affected by consuming alcohol that moves the material in form... 2014, 2015 ) Define hormones is sucked into the lungs, the air passage divides into globules! Of emulsified fats minerals transported in human beings into fatty acids and glycerol capacity to, Question 14 thyroxine., chlorophyll, and sunlight pancreas and liver ( bile juice ) and liver, according to chapter 6 Class! That stimulates bone marrow to form more RBCs They can be absorbed by the process diffusion! Is regulated depends upon the amount of hormone released is function of pancreas class 10 depends upon the amount water. Mode of nutrition requires carbon dioxide as end products than survival and protection motor neurons all body parts smaller increasing. Shoot tip dioxide, water, chlorophyll, and reproduction translocation ) takes place function of pancreas class 10 utilizing energy sucked the. 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