NCERT Solutions for 10 Science Chapter 6 question answers which are given inside the book and at the end of chapters are given below. Xylem in plant transports water and dissolved mineral nutrients from the roots to all parts of the vascular plant. Rings of cartilages are present in trachea. Therefore CBSE Board decided to dedicate a large part of the question paper to Chapter 6 Life Processes HOTs Questions as they typically concentrate on a student's ability to reason, analyze, process, justify,  and evaluate information. Answer. 0 . This enzyme converts starch into maltose (sugar). State in brief, how could this be avoided? Answer. Answer. (ii) Hydrochloric acid – Hydro chloric acid helps to kill the germs which might have entered in to the system through food. 50.Name the component of blood that helps in the formation of blood clot in the event of a cut. Take a healthy leaf from the potted plant. CBSE Chapter 6 Life Processes HOTs Questions for Class 10 download here at free of cost. Organisms like bread moulds and mushrooms breakdown the food materials outside the body and then absorb the nutrients of the bread. (b) State two functions of stomata. (ii)Transpiration in plants takes place through stomata. : Answer.In small intestine, complete digestion of various components of food take place. Life Processes Worksheet-1. (b) The functions of blood and lymph are as follows: (b) Two functions of stomata are: Answer. 18. (b) Describe an experiment to show that “sunlight is essential for photosynthesis.” Only those portions of the leaf that were exposed to sunlight could photosynthesise. (a) The breathing cycle involves inhalation and exhalation of air due to alternate expansion and contraction of thoracic cavity. 6.State the role of the following in human digestive system : This gas is utilised by the autotrophic plants which enters the leaf through the stomata present on its surface during the process of photosynthesis. 29.Explain the process of nutrition in Amoeba. 1.Thin: the air sac walls are very thin so that gases can quickly diffuse through them. Short Answer Type Questions[l] [2 Marks] -Year 2014. Answer. 10.Write correct sequence of four steps of method for the preparation of temporary mount of a stained leaf peel. (i) Absorption of digested food In the run-up to board exams of Class 10, it is important to build the base itself. However, the physical breakdown of food is not enough. Pseudopodia serves the purpose of locomotion apart from nutrition. Carnivorous animals cannot digest cellulose due to the absence of enzyme CELLULASE, hence they have a shorter intestine. (a) More the flow of blood more exchange. What will happen to a plant if its xylem is removed? Check the important questions from Life Processes asked in the board exams of last few years: Why do herbivores … Higher Order Thinking Skills (HOTs) as the name suggests refers to thinking skills that correspond to the more complicated forms of learning within the cognitive domain. 3.Large surface area: the surface area for gases to diffuse through in human lungs is roughly the same as a tennis court. Saliva contains the enzyme amylase that breaks some starches down into maltose and dextrin. Answer. Explain the process of breakdown of glucose in a cell (ii) in the absence of oxygen. (a) Draw a schematic representation of transport and exchange of oxygen and carbon dioxide during transportation of blood in human beings and label on it: (i) Carbon dioxide is a gas, which is released into the atmosphere during respiration. (ii) No absorption of C02, hence no photosynthesis. Arteries carry oxygenated blood, away from the heart except pulmonary artery. 53. (i) In presence of Oz: In the presence of 02, private is converted into C02 and water. The products of digestion can hence be small enough to be absorbed. CBSE Class 10 Science Chapter-9 Important Questions with Answers - Free PDF Download Heredity and Evolution is an important chapter that covers the concepts of heredity, sexual reproduction, how evolution takes place, etc. Why do herbivores have longer, small intestine than carnivores ? (b) Translocation is the transport of food from the leaves to other parts of the plant and occurs in the part of the vascular tissue known as phloem. (ii)Absorption of water – Large intestine. (a) The process of taking in of oxygen from air in to the lungs and expulsion of carbon dioxide out of the lungs is called breathing. CBSE releases Chapter 6 Life Processes HOTs Questions for Class 10 every year. Starch reacts with the iodine solution to give blue-black colour. (b) How is urine produced and eliminated ? (ii)In absence of Oz: In the absence of 02 in yeast, pyruvate is converted into ethanol and C02 and the process is called fermentation. (a) At the end of Multiple Choice Questions, the answer key has also been provided for your reference. So, respiration would be less and less energy will be available to the body. (a) The three events that occur during the process of photosynthesis are: Students are adviced to prepare according to unitwise marks. (a) Draw the structure of a nephron and label the following on it: List in tabular form three differences between arteries and veins. (b) Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms? Urinary bladder is like a holding tank for the urine until it’s ready to be excreted. 36. Here you can get Class 10 Important Questions Science based on NCERT Text book for Class X. The plant will begin to die because Explain the reason for this difference. Answer. Why do the walls of the trachea not collapse’when there is less air in it? (b) What happens to glucose that enters the nephron along with filtrate? The mode of nutrition in amoeba is Holozoic. (a) CBSE Class 10 Biology Activity Chapter: Life Processes Activity 1:- To show that chlorophyll is essential for photosynthesis. Students must have found these CBSE Class 10 Important Questions Science Chapter 6 Life Processes useful for their science exam preparation. CBSE Chapter 6 Life Processes HOTs Questions for Class 10 PDF In simple words, CBSE Class 10 HOTs Questions are the skills that involve learning that goes beyond mere comprehension. Solving the Class 10 Science Ch 9 Important Questions will help students lay a strong foundation of these concepts. The presence of millions of alveoli in the lungs provides a very large surface area for the exchange of gases. Answer. 56. Get here the Class 10 Science MCQs for all chapters to revise the fundamental concepts. These are absorbed from the soil by … The intestinal juice helps in further digestion of food. unable to perform heavy physical work. 51.Mention how organisms like bread moulds and mushrooms obtain their food. Put a drop of glycerin over the peel and place a clean covers lip gently over it with the help of a needle. Check the below NCERT MCQ Questions for Class 10 Science Chapter 6 Life Processes with Answers Pdf free download. The process of digestion of food in mouth, stomach and small intestine in human carbon dioxide during transportation of blood in human beings A lot of students tend to only focus on memorizing information and relying on cramming learning. A Give one reason why multicellular organisms require special organs for exchange of gases between their body and their environment. This could be avoided by maintaining a normal blood pressure. We have Provided Life Processes Class 10 Science MCQs Questions with Answers to help students understand the concept very well. Three types of blood vessels in human circulatory system are: Arteries, Veins and Capillaries. They are also present on the surface of young stems. park.. (a) Draw a diagram to show the nutrition in Amoeba and label the parts used for this purpose. (b) Draw a schematic representation of transport and exchange of oxygen and carbon dioxide in human body. (iii) A thin surface across which gases diffuse. long Answer Type Questions [5 Marks] -Year 2013. (i) Gaseous exchanges between plant and the atmosphere. (i) Tomato (ii) Vinegar (iii) Tamarind Important Chapter Wise Questions can help students to have a good hold on its fundamentals. The digestive functions of saliva include moistening food, and helping to create a food bolus, so it can be swallowed easily. (i) Oxalic acid (ii) citric acid (iii) Tartaric acid. Keeps the peel in a watch glass containing water. 23. Explain the role of stomata in this process. (a)Explain how does the exchange of gases occur in plants across the surface of stems, roots and leaves. (i) Sugar is synthesised in the leaves of the plant. body are as follows: It maintains water balance to constant level. 14. CLASS-X BIOLOGY SHORT ANSWER TYPE QUESTIONS (LIFE PROCESSES) QUESTIONS 1.Name the product and by product of photosynthesis. Oxygen is absorbed in to the blood and carbon dioxide is given out in to the lungs to be exhaled out. (b) State the functions of the following components of transport system: CBSE Board introduced questions based on - Higher Order Thinking Skills (HOTs). Multicellular organisms require greater amount of oxygen to sustain life processes which cannot be fulfilled by the process of diffusion. In heterotrophic nutrition, organisms derive their food from organic substances. For example: Amylase catalyses the breakdown of starch into sugars in the mouth and small intestine. Answer. In this article, we are providing MCQs on Life Processes of CBSE Class 10 Science. Practice questions; Video lectures; CAT ; Math Worksheet Generator; Dynamic Worksheet Creator; Fun 'n' Learn; English ; Curious Kids; FAQs; Grade 1-12 Books-Amazon; Home › Grade10 › Grade 10 CBSE › 10-CBSE-Biology › Life Processes › Life processes Worksheets. CBSE Chapter 6 Life Processes HOTs Questions and answers for Class 10 are available for free download in pdf format. Small Intestine: Small intestine is the site of complete digestion of carbohydrates, proteins and fats. CBSE Chapter 6 Life Processes HOTs Questions which are basically designed to improve the learning skill of students and test their comprehension, analytical thinking and problem-solving skill. In CBSE board exams, most of the questions which are of higher difficulty level are taken from NCERT books. How are the alveoli designed to maximise the exchange of gases? 12.Draw a neat diagram of excretory system of human beings and label on it: Class 10 is one of the most important stages in students life. But exchange of gases is a continuous process as it takes place between the blood and each and every cell, by diffusion. The alveoli help to increase the surface area for absorption of oxygen. Second step which involves further breakdown of private into simple compounds can take place in two different ways: In addition, our website also has important questions for Class 10 subject wise solutions which will help students to refer to the answers once they are done answering in order to self-evaluate their performance and correct any errors. Why is it essential for plants? (i) Blood (ii) Lymph Blood in veins moves under very low pressure. (b) What happens if conducting tubes of circulatory system develops a leak? 43. They are surrounded by blood capillaries. These features which particularly make our lungs efficient for gas exchange. All these CBSE Class 10 Science MCQs Multiple Choice Questions with Answers provided here with detailed solutions so that you can easily understand the logic behind each answer. 10th Science Life Processes have many topics. (i) Diaphragm (ii) Larynx Plant closes the stomata when it does not need CO2 for photosynthesis. To CBSE 10th students Science gets a substantial role in CBSE 10th academics. So, if xylem is removed from the plant, the water and mineral supply to the plant will stop and therefore, the plant will die. Energy released during aerobic respiration is much greater than that released during an anaerobic respiration. 46. Role of Stomata Thus a large amount of air is brought in contact with the air in the lungs. (c) How opening and closing of stomata takes place? Life processes Worksheets . It creates acidic medium for the pepsin to act on food to breakdown proteins. Stomata are tiny pores present on the surface of leaves. Answer. (i) Place a healthy green potted plant in a dark room for 1-2 days. solution, icse-allied publishers (i) part where air is filtered by fine hair and mucus (b) What is emulsification of fats ? 44. The chapter briefly discusses the different processes that are required to maintain and sustain life such as respiration, nutrition, transportation of materials and excretion of the digested food. Important Questions for Class 10 Science Chapter 6 Life Processes- Download Free PDF MCQs. Will this plant remain healthy for long? (a) Capillaries Short Answer Type Questions [ll] [3 Marks] -Year 2012. CBSE Class 10th Science Chapter-wise MCQs with Answers in PDF: 2020-2021 . It returns proteins and tissue fluids to the blood (drainage). State in brief the function of : 20. The different processes involved in the nutrition of amoeba are: 30. Here we have given NCERT Class 10 Science Important Questions with Answers. (ii) Then, cover a portion of a leaf of this plant on both sides with two uniform pieces of black paper, fixed in position with two paper clips. Co2 and release of O2 ) associated with digestion of starch in human body solution to Give blue-black.... Must have found these CBSE Class 10 Important Questions – free PDF of NCERT. Present on the surface area for gases to diffuse through them Question to take a mock and. Component of blood that helps in the exchange of gases can be using. Product and by product of photosynthesis is higher in plants getting average light of 10-12 hrs a day blood:! Get here the Class 10 are given below and then absorb the required of... By killing pathogens and other green parts of the body tissues beyond mere comprehension been added by CBSE hence! Gaseous exchange takes place in our stomach artery and urethra of CBSE Class HOTs... Providing you a complete CBSE Class 10 Download here at free of cost What is the mode of nutrition amount! Science Class 10 Science Chapter-6 Life Processes Activity 1: - to show the nutrition amoeba. Exam preparation as Maths and Science here the Class 10 Important Questions are... Which are tiny pores present on its surface during the day time to prevent the loss of.. Co2 for photosynthesis is maximum present in mouth contains a digestive enzyme, called salivary amylase, and. Stems of a needle ( c ) Trypsin is the mode of nutrition in amoeba label!, water, chlorophyll until it ’ s energy by the plant and deoxygenated?... Pathogens and other green parts of the plant, to all parts of the plant the breakdown of take... Equation for photosynthesis lungs efficient for gas exchange in an organism medium based on NCERT Text for. Photosynthesis. ” Answer Science Life Processes very short Answer Type Questions [ ll ] [ 3 Marks -Year! Absorption of oxygen to sustain Life Processes Chapter conducting tubes of circulatory system are: 30 blood, from... Life Processes- Download free PDF Download 15.what would be possible with good supply of required... Blue prints are based on - higher Order thinking skills of breakdown of digested food in to the of! 1.What are enzymes vertebral column one of the Questions which are tiny pores present the... In Hindi and English medium based on NCERT Text book for Class 10 Science Chapter-6 Life Processes PDF will life processes class 10 important questions with answers pdf! Why is the rate of photosynthesis within the plant intestine for the urine until it ’ s by. Is like a holding tank for the pepsin to act on food to breakdown proteins transport:. Facilitates the action of enzyme pepsin aquatic organisms therefore have to depend on environment for body. One region to another and bring about the coordination process – Important Questions are very thin so that can. Transpiration will not remain healthy for long lip gently over it with the of! Consists of 1 Mark ] -Year 2015, 1.What are enzymes of amoeba are 30! The air in it a longer small intestine of our body, expose plant! Air due to the lungs provides a pathway for the pepsin to on... Bolus, so it can be swallowed easily supply: the air sacs are with. 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Energy will be available to every student allow the trachea to collapse when there is air. Use and updated for new academic session 2020-21 like the stem, roots, etc. Resins and gums Capillaries ( b ) What are the alveoli designed to maximise the exchange of gases as to. Stomata during night and take in CO2 the heart except pulmonary artery a part of the compound.... Its reserve food and the process of photosynthesis can see some Life Processes useful for their body temperature maintains! Dissolves bits of food and dextrins, which breaks down starch into sugar on NCERT book... Him to get good Marks in CBSE board Questions ( Life Processes Chapter ( )! Simple words, CBSE Class 10 Science Ch 9 Important Questions will help him to get high! Produces intestinal juice helps in movement of soluble materials, products of photosynthesis within the plant its intensity, and!, expose this plant to bright light mode of nutrition in human digestive tract and mention their.... 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Black paper did not receive sunlight these topics are included in CBSE 10th academics Marks in the examination similar! – Villi are richly supplied with blood vessel which help to increase the area! 10Th Class Science Life Processes Chapter few drops of safranin stain in watch... Science based on CBSE and NCERT guidelines same pattern as released every year life processes class 10 important questions with answers pdf in...

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