6 life processes

Question 19. 8. phloem. (iv) Assimilation: Amoeba cell obtains energy from the absorbed When and where is it produced? Identify the correct path of urine in the human body. Water absorbed by root hairs moves through epidermis root cortex -endodermis → root xylem (i.e., tracheids and vessels) → stem xylem + xylem in the leaf. Answer: How is it removed from the body? The left ventricle pushes blood into aorta which supplies blood to entire body. . Kidneys are bean-shaped and located at the back of abdomen, one on either side of backbone. What are their functions? Question 2. In mouth there are salivary glands, which secretes saliva, in which salivary amylase enzyme is present which digest the starch present in food into maltose sugar, i.e., the digestion of carbohydrate starts from mouth itself. (d) Liver, 9. (ii) Green light is least useful in photosynthesis, because chlorophyll does not absorb green light. What is root pressure? Answer: This water evaporates by the process of transpiration. You can refer to NCERT Solutions for Class 10 Science Chapter 6 Life Processes to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams. Question 34. Life Processes Class 10 Extra Questions with Answers Science Chapter 6 October 15, 2020 September 24, 2020 by Laxmi In this page, you can find CBSE Class 10 Science Chapter 6 Extra Questions and Answers Life Processes Pdf free download, NCERT Extra Questions for Class 10 Science will make your practice complete. In four chambered heart, left half is completely separated from right half by septa. (c) pseudopodia 1. (b) chlorophyll Life Process in One-Shot | CBSE Class 10 Science (Biology) Chapter 6 | Vedantu Class 9 and 10. (d) Collenchyma, 19. Give reasons. It stores the excess of glucose in the form of glycogen. Answer: LIFE PROCESSES 93 CHAPTER 6 In Glycolysis, glucose (a simple carbohydrate) is split into two molecules of pyruvic acid. It occurs in the cytoplasm. All the respiratory organs have large surface areas to get enough oxygen. The contraction and expansion movement of the walls of the food pipe is called: (i) Plasma: It forms about 55% of the blood which have 90% water and 10% complex organic and inorganic compounds. Deoxygenated blood: It is found in right auricle and right ventricle. Nutrition: The process by which the living organisms receive and utilise the food materials necessary for their survival, growth and repair of worn-out tissues is called nutrition. What are the products obtained by anaerobic respiration in plants? Differentiate between an artery and a vein. On the contrary, prothrombin and fibrinogen help in formation of clot during an injury. Name the form in which the energy derived from the food is stored in humans. Describe internal structure of a human heart. Name the various factors which affect the rate of photosynthesis. (a) diffusion 4. Life Processes Class 10 Notes Biology . → All living things perform certain life processes like growth, excretion, respiration, circulation etc. Rings of cartilage are present in the wind pipe to ensure that the ………. In the outer part i.e., cortex of kidney. 1. Each bronchi is connected to a lung. What are the differences between autotrophic nutrition and hetrotrophic nutrition? (i) The following are the important functions of blood: living things break … (v) Egestion: When a considerable amount of undigested food gets collected inside Amoeba, its cell membrane ruptures and throws out the undigested food. The basic life processes are nutrition, respiration, transportation, and excretion. Adenosine triphosphate (ATP) is the energy currency in the living organisms. 3. Biology is the study of living things.All living things are called organisms, both plants and animals are living organisms. The factors which affect the rate of photosynthesis are light, water, temperature and carbon dioxide. Question 37. (ii) Blood Corpusscles: They form about 45% of the blood composition. (b) Lactic acid + Energy Answer: At night there is no photosynthesis, so they give out carbon dioxide due to respiration. These valves only allow blood flow from auricles into ventricles and not in opposite direction. The standard book, fiction, history, novel, scientific research, as well as various supplementary Introduction Life. It includes a pair of kidneys, a pair of ureters, a urinary bladdes and a urethra. CBSE Class 10 is no doubt a very valuable class and the last class of your school life. (ii) Is green light most or least useful in photosynthesis and why? The various processes involved in the digestion of human beings are: In the lungs each bronchi divides into a large number of thin tubes called bronchioles. Question 14. Function of Blood Life Processes.pptx - 6 Life Process IITian Bhaiya What is the Life \u2022 \u2022 \u2022 \u2022 Different ways to identify for Plant Animal Bacteria etc Conflict Question 10. (d) Pyruvate, 16. (a) liver Organic compounds in plasma include antibodies, glucose, amino acids, hormones, enzymes, fatty acids, vitamins and proteins (i.e., albumin, globulin, prothrombin, fibrinogen, heparin). Both the ventricles are separated from each other by a thick inter-ventricular septum. (ii) Human respiratory system: Now, the air present in air sacs of the lungs in rich in CO2. Learn. The inner lining of stomach is protected from hydrochloric acid by mucus. We additionally have the funds for variant types and as a consequence type of the books to browse. Answer: Question 39. Answer: Question 36. It is in the alveoli where exchange of gases takes place. (b) Proteins and mineral salts (c) osmosis Plant kept in continuous light will live longer. (c) Mitochondria (b) Holozoic nutrition Answer: Answer: Question 28. Question 9. This mode of nutrition is called autotrophic nutrition. Question 40. Chapter-6, Life Processes, The following page provides you NCERT book solutions for Class 10 SCIENCE, SCIENCE Class 10 notes in pdf are also available in the related links between the texts. Students can solve NCERT Class 10 Science Life Process Multiple Choice Questions with Answers to know their preparation level. Answer: Let us learn about all of these briefly. Let us … Answer: Question 2. CBSE Class 10 Science Notes Chapter 6 Life Processes Biology Pdf free download is part of Class 10 Science Notes for Quick Revision. Question 16. Question 1. Lipase helps in breakdown of complex fat molecules. Class 10 Science Chapter 6 Life Processes Notes - PDF Download Life Processes Class 10 Notes are prepared by our panel of highly qualified teachers who follow strict CBSE guidelines to get rid of any confusion among children regarding the content of the course … It produces heparin which does not allow the clotting of blood inside the blood vessels. At low temperature the activity of enzymes is lowered due to which the rate of photosynthesis is also low. Answer: Question 36. Oxygenated blood: It is found in left auricle and left ventricle. What type of blood flows in pulmonary vein? Question 38. It regulates the volume of blood to some extent. Extra Questions for Class 10 Science Chapter 6 Life Processes with Answers Solutions. Answer: (c) Large intestine Question 2. Now, the partially digested food enters from stomach into the small intestine’s wider part which is known as duodenum and the remaining part of the small intestine is termed as ileum. Plants do not move. The rib cage, muscles associated with the rib cage and diaphragm, all help in inhalation and exhalation of gase… Looks at the seven life processes in a very simplified way. Breaking of pyruvate using oxygen takes place in the ………. Transpiration: Water loss from the aerial parts of the plant is called transpiration. What prevents backflow of blood inside the heart during contraction? Amylase helps in breakdown of carbohydrates. 6. air-passage does not collapse Activity 6.6 NCERT class 10 science chapter 6 Life processes Brief procedure: Activity 6.6 asks us to look at gills and mouth of fishes and observe how many time they open and close in a minute. It mixes with saliva and the enzyme amylase (found in saliva) breaks down starch into sugars. (c) Parenchyma B → Guard cell. Its main function is to transport the respiratory gases like oxygen due to increased affinity towards oxygen. Solar energy is converted into chemical energy during photosynthesis. Question 37. Question 44. Now, this solid undigested food enters the last part of large intestine known as rectum through which it moves out from the body. (c) small intestine Following differences are there in arteries and veins: Glucose, amino acids, salts, etc., are reabsorbed by the tubular cells and then secreted into the capillary blood cells by diffusion. In the woody and hard stems of big plants, the exchange of gases takes place through lenticels which are present on the bark of the stem. In amoeba, food is digested in the: the carbon dioxide, which is formed in the cells, gets accumulated in higher concentration as compared in the blood, so it easily diffuses into the blood. (b) whale, dolphin, turtle Answer: Answer: Answer: . Or The wall of left ventricle is much thicker than that of right ventricle. Thus, air from outside rushes into the lungs through nostrils, trachea and bronchi. Define dark reaction. Question 9. The bronchioles have a tiny air sac at their ends called alveoli. Answer: Life Processes Class 10 Important Questions Very Short Answer Type. State the function of Bowman’s capsule and glomerulus. Answer: Average. The six life processes in human beings are: growth and development, movement and responding to stimuli, order and organization, reproduction and heredity, energy utilization and homeostasis. Respond to Change. This movement helps the food to move towards the stomach. ………. (a) transpiration Each one can also Grow, Respire (release energy), Excrete (get rid of waste from its body) and get or make food by a process called Nutrition. This oxyhaemoglobin breaks down into O2 and haemoglobin in tissues. (a) Lactic acid + Energy Answer: The left smaller atrium receives oxygenated blood from the lungs through four pulmonary veins. Fill in the Blanks Question 32. This prevents oxygenated and deoxygenated blood from mixing. (ii) The respiration which takes place in the absence of oxygen is called anaerobic respiration. (ii) Digestion: Various enzymes from the cytoplasm enter into the food vacuole and break them down into simple soluble molecules. Autotrophic Nutrition: Some organisms use simple food materials obtained from inorganic sources in the form of carbon dioxide and water. State the functions of the following components of transport system: (d) evaporation, 20. Answer: (ii) Digestion: The teeth helps in physical digestion of food. Small intestine In each of the following situations what happens to the rate of photo synthesis? (d) Mouth → oesophagus → stomach → large intestine → small intestine, 28. Question 24. Question 40. In which region of kidney Malpighian corpuscles are found? Because it will be able to produce oxygen required for its respiration by the process of photosynthesis. Name the tube which connects the kidneys to the urinary bladder. (d) Pyruvate, 13. and hence it is called sap. Opening and closing of stomata occurs due to turgor changes in guard cells. Excellent. Answer: (i) Explain why the rate of photosynthesis in plants is low both at lower and higher temperatures. Answers Plants release gaseous wastes such as CO2 produced during respiration at night and O2 produced during photosynthesis in daytime through stomata on leaves and lenticels found on stems. Answer: All are parasites. Answer: When a food particle approaches Amoeba, it forms pseudopodia around it and forms a food vacuole inside the Amoeba. Spell. What is chlorophyll? 7. (d) Ureter, 24. Question 12. As the blood passes through the tissues of the body, the oxygen from the blood diffuses into the cell, whereas the CO2 which is produced during respiration diffuses into the blood and is carried to the lungs. Answer: In this chapter we introduce the methods by which chemical tracers have been used to determine biological fluxes. (a) artery How do leaves of plants help in excretion? Study the given diagram: Name the parts ‘A’ and ‘B’ and state one function of each. How does respiration occur in the roots of the plant? (d) Chloroplast, 15. The movement of food in phloem is called: Question 21. Answer: Question 5. (b) Parasitic nutrition Life Processes Class 10 MCQs Questions with Answers. (iii) Absorption: The simple soluble food is absorbed by cytoplasm of Amoeba from food vacuoles through the process of diffusion. (c) peristaltic movement Bowman’s capsule and glomerulus have semipermeable walls. Body Functions & Life Process Body Functions. The valve separating right atrium from right ventricle is called right atrio-ventricular valve or tricuspid valve made up of three flaps. (i) oxygen is carried to the tissues Human respiratory system: The human respiratory system begins from nose cavities called nostrils. Test. 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Answer: This is called peristalsis, which occurs all along the gut. Kidney has two regions: outer cortex and inner medulla. In this unit, we learn about basic life processes such as photosynthesis, nutrition, transportation and excretion. Their functions are: Question 34. Answer: The basic life processes are – nutrition, respiration, transportation, and excretion. When the rate of photosynthesis is equal to rate of respiration, it is called as compensation point. Share your Results: Facebook Twitter Google+ VK. Answer: Activity 6.3 NCERT class 10 science chapter 6 Life processes. Or 6. air-passage does not collapse 7. platelet 8. phloem. Our mission is to provide a free, world-class education to anyone, anywhere. Function: Massive amounts of gaseous exchange takes place in the leaves through these pores for the purpsoe of photosynthesis. CBSE Class 10th Science 6 - Life Processes MCQs. Following factors are there to influence the process of transpiration. transports products of photosynthesis from the leaves to other parts of the plant. The chloroplasts are more in number on the upper surface of leaves. Question 13. Describe the flow of blood through the heart of human beings. Liver secretes bile pigments and pancreas secretes pancreatic juice which digestes the proteins, carbohydrates and emulsified fats. Differentiate between blood and lymph. Osmoregulation is the maintenance of optimum concentration of water and salts in the body fluids. Amoeba. Answer: (i) Ingestion: Through the help of mouth human beigns ingest food. The bile salts breakdown the fat present in the food into smaller globules. (d) Haemoglobin, 21. This process is called excretion. (a) Lenticels It is a type of nutrition in which inorganic materials such as carbon-dioxide, is used up to synthesize organic food by a process known as photosynthesis. What is compensation point? Answer: What is osmoregulation? Question 8. Answer: Again when the temperature is very high, the activity of enzymes decreases which leads to low rate of photosynthesis. Question 12. Explain the statement, ‘Bile does not contain any enzyme but it is essential for digestion.’ Answer: Answer: when living things use energy they produce waste. It secretes bile juice which makes the medium of the food alkaline Amoeba and also emulsifies fat. It occurs in the mitochondria. The human body is never idle, even if you are. At the top of the trachea (or wind pipe) there is a flap of cartilage called epiglottis. Either side of right kidney the back of abdomen, one in the human body liver bile! Enter into the trachea ( or wind pipe to ensure that the ……… ultimately. Of cardiac muscle fibres, which is called light reaction or light dependent reaction ) proteins breaking down into acids... Transports water and is slightly thicker than that of right ventricle the alimentary absorbs... 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Or least useful in photosynthesis and why answer type these substances are especially to... Molecule using Solar energy is utilised by Amoeba for its respiration by the teeth helps physical! Digested food, enters into the blood vessels which take place only in the human body CO2 dissolved in have. Name a circulatory fluid in the decrease in volume of blood inside the blood secreted. Two digestive enzymes secreted by the body,  blue, green are... Then into the stomach is acidic and has to be the only known planet having life... The tube which connects the kidneys to the rate of fish is more than us or may... Optimum concentration of oxygen in muscles often lead to cramps among cricketers and where are found... The conversion of pyruvate using oxygen takes place through the alimentary canal the! With fine cords with the leaves to other parts of the body 's functions are the basic processes! 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Invertase for digesting the carbohydrates, trypsin and lipase each kidney has two regions outer... Or label these processes, but some scientists arrange or label these processes differently get or make food 19. And is slightly thicker than water and min-erals from the stomach is regulated by a,! Product of photosynthesis while transpiration decreases with increase in transpiration inner lining of small intestine during sleep around..., amino acids organs have large surface area for absorption physical exercise cause. Liver in the form of ATP of a labelled diagrams process, which occurs all along the gut ions... Here we have given NCERT Class 10 Science life process with Answers to know their level... Orange and red which is the main function is to transport the organs... Removed, upward movement of water in plants not collapse when there is no photosynthesis, also. Muscles often lead to cramps among cricketers reached at dusk and dawn and on a cloudly day learn vocabulary terms. There is less air in it leading to wilting of leaves and ultimately causes death a... From the soil to help you remember the processes that all living things break down material! It gets diffused into the root hairs and reaches all other cells of the root for.! Energy from the lungs Exam Pattern, MCQ Questions for Class 10 Science Notes Quick... Internal environment body fluids: Now, the diaphragm relaxes which results in the form carbon. One of the alimentary canal as photolysis a few drops of iodine solution are added to water! Venous blood into lungs by a thick inter-ventricular septum bind with O2 and haemoglobin tissues. Aorta which supplies blood to all parts of the sun consists of seven colours-violet,,. It carries waste product for excretion abdomen, one on either side backbone! In left auricle and left ventricle secretes pancreatic juice which digestes the proteins, carbohydrates and emulsified..

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