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Repeat with a alternative 8-inch frame of card upon a conflicting prolonged border of a vessel ! A breadth of a dug-out might establish a length of your paddle. -And during final only since it indeed does not have any eminence what metrics processex particular operate or who thinks precisely what in propinquity to that group.
Chapter 3 - Metals and Non-metals. Chapter 4 - Carbon and Its Compounds. Chapter 5 - Periodic Classification of Elements. Chapter 6 - Life Processes. Chapter 7 - Control and Coordination. Chapter 8 - How do Organisms Reproduce? Chapter 9 - Heredity and Evolution. Chapter 10 - Light Reflection and Refraction. Chapter 11 - Human Eye and Colourful World. Chapter 12 - Electricity.
Chapter 13 - Magnetic Effects of Electric Current. Chapter 14 - Sources of Energy. Answer Fats are present in the form of large globules in the small intestine.
The small intestine receives the secretions from the liver and the pancreas. The bile salts from the liver break down the large fat globules into smaller globules so that the pancreatic enzyme lipase can easily act on them. This is referred to as emulsification of fats.
This process takes place in the small intestine. What is the role of saliva in the digestion of food? What are the necessary conditions for autotrophic nutrition and what are its by-products? Answer Autotrophic nutrition takes place through the process of photosynthesis.
Carbon dioxide, water, chlorophyll pigment, and sunlight are the necessary conditions required for autotrophic nutrition.
Carbohydrates food and O 2 are the by-products of photosynthesis. What are the differences between aerobic and anaerobic respiration? Name some organisms that use the anaerobic mode of respiration. Answer Aerobic respiration Anaerobic respiration It occurs in the presence of O 2. It occurs in the absence of O 2. It involves the exchange of gases between the organism and the outside environment.
Exchange of gases is absent. It occurs in cytoplasm and mitochondria. It occurs only in cytoplasm. It always releases CO 2 and H 2 O. End products vary. How are the alveoli designed to maximise the exchange of gases? Answer Alveoli provide a surface for the exchange of gases. What would be the consequences of a deficiency of haemoglobin in our bodies?
Answer Haemoglobin is the respiratory pigment that transports oxygen to the body cells for cellular respiration. Therefore, deficiency of haemoglobin in blood can affect the oxygen supplying capacity of blood.
This can lead to deficiency of oxygen in the body cells. It can also lead to a disease called anaemia. Describe double circulation in human beings. Why is it necessary? Answer During a single cycle blood goes twice in the heart which is known as double circulation. It is necessary in human being to separate oxygenated and de-oxygenated blood because this makes their circulatory system is more efficient and helps in maintaining constant body temperature.
What are the differences between the transport of materials in xylem and phloem? Answer Xylem Phloem Xylem tissue helps in the transport of water and minerals. P hloem tissue helps in the transport of food. Water is transported upwards from roots to all other plant parts. Food is transported in both upward and downward directions. Transport in xylem occurs with the help of simple physical forces such as transpiration pull.
Transport of food in phloem requires energy in the form of ATP. Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning. Answer Alveoli Nephrons Structure Structure Alveoli are tiny balloon-like structures present inside the lungs. Nephrons are tubular structures present inside the kidneys.
The walls of the alveoli are one cell thick and it contains an extensive network of blood capillaries. Function Function The exchange of O2 and CO2 takes place between the blood of the capillaries that surround the alveoli and the gases present in the alveoli.
The blood enters the kidneys through the renal artery. The blood is entered here and the nitrogenous waste in the form of urine is collected by collecting duct. Alveoli are the site of gaseous exchange. Nephrons are the basic filtration unit. Powered by Blogger. CBSE Rankers. Page No: Newer Post Older Post.
Next Chapter. Previous Chapter. Popular Posts. Question-2 Ans. Central Board of Secondary Education conducts class 10th board examination for regular and private students. Candidates can fill CBSE 10th application form online on cbse. When you look back in life , this app would have played a huge role in laying the foundation of your career decisions.
Found everything I wanted and it solved all of my queries for which I was searching a lot A must visit No need to find colleges in other sites, this is the best site in India to know about any colleges in India. Updated on Feb 17, - p. IST by Saumya. Ask Mr AL Share. Table of contents. Answer: Multicellular Organisms have complex systems each assigned to a specific task. Answer: The presence of a cellular structure and processes like respiration, excretion, reproduction and growth are criteria we use to decide whether something is alive or not.
Answer: The outside raw materials used by an organism are: 1. Answer: Processes which are essential for maintaining life are respiration, nutrition, transportation, excretion and control and co-ordination.
Answer: The differences between autotrophic nutrition and heterotrophic nutrition are given below: Autotrophic Nutrition Heterotrophic Nutrition i Food or source of energy is synthesized by the organism itself by using the energy from sunlight using simpe molecules like H 2 O and CO 2.
Answer: The plants require a number of raw materials and energy for photosynthesis. Answer: The Hydrochloric acid present in our stomach has 3 main roles. Answer: The food we eat consists of very complex molecules which directly cannot be used for taking up energy and therefore these molecules have to be broken down into simple molecules. Answer: The design of the small intestine is such that it provides the maximum area for the absorption of digested food and its transportation to different parts of our body through blood vessels.
NCERT solutions for class 10 science chapter 6 life processes topic 6. Answer: Terrestrial organisms breathe in Oxygen for respiration directly from the environment as opposed to the aquatic organisms who have to use oxygen dissolved in water. Answer: First the glucose is broken down into a 3 Carbon molecule called Pyruvate in the cytoplasm of the cell in a process called Glycolysis. In the presence of sufficient Oxygen, Pyruvate molecules are broken down into Water and Carbon dioxide and Energy is released.
This process is called aerobic respiration. In the lack of oxygen, Pyruvate molecules are converted into lactic acid and energy is released. This takes place in our muscles especially while exercising. The lactic acid thus produced causes cramps in our muscles. In the total absence of Oxygen Pyruvate molecules are broken down into Ethanol and Carbon dioxide and Energy is released.
T his process is called anaerobicrespirationand takes place in yeast cells. Answer: Oxygen and carbon dioxide transported in human beings i The transportation of Oxygen from the lungs to other body parts takes place through our blood vessels.
Answer: The air passages in our lungs dived into several smaller passages called bronchi. Answer: Mammals and birds continously require oxygen in all body parts so that aerobic respiration could take place so that heat is continously generated to maintain the body temperature required. Answer: In highly organised plants the transport system consists of the following two components.
Answer: The roots of a plant have hair-like structures called root hair. Answer: The transportation of food material in plants take place through the phloem tissue. Describe the structure and functioning of nephrons Answer: The nephrons are the basic filtering unit of our excretion system.
Answer: The following methods are used by plants to get rid of excretory products. Answer: The amount of urine produced depends on the following: i Amount of water ingested. The kidneys in human beings are a part of the system for a nutrition. Answer: The kidneys in human beings are a part of the system for excretion. Answer: The xylem in plants are responsible for transport of water. The autotrophic mode of nutrition requires a carbon dioxide and water.
Answer: The autotrophic mode of nutrition requires all of the above. The breakdown of pyruvate to give carbon dioxide, water and energy takes place in a cytoplasm. Answer: The breakdown of pyruvate to give carbon dioxide, water and energy takes place in mitochondria. Answer: Digestion of fat takes place in the small intestine. Answer: Saliva contains an enzyme called salivary amylase that starts the process of digestion in the mouth itself by breaking down startch into sugar molecules like maltose.
Answer: The necessary conditions for autotrophic nutrition the following: i Supply of carbon dioxide which is the raw material for this mode of nutrition. Answer: Differences between aerobic and anaerobic respiration are mentioned below: Aerobic Respiration Anerobic Respiration i It takes place in presence of Oxygen. Answer: The alveoli are thin walled and are richly supplied with blood vessels to maximise the exchange of gases.
Answer: As the function of Haemoglobin is to transport oxygen from the lungs to all other parts of the body its defficiency would cause levels of Oxygen to be lesser than the required level thus rendering the body incapable of producing required amount of energy and thus would make person feel tired most of the times and would also affect his immunity thus making him susceptible to diseases. Answer: Deoxygenated blood rich in carbon dioxide and deficient in oxygen reaches the heart through a networl of veins and enters the heart through the vena cava and is brought into the right atrium.
Answer: Xylem Phloem i In Xylem water and minerals absorbed from the soil by the roots are transported to other parts of the plant. Now that students know the solutions of NCERT class 10 science chapter 6 life processes and have understood the topics well, it's time to put them to practice Check Ncert Solutions For Class 10th Ch 6 Life Processes Science School previous year questions from the board exam and solve the questions.
Answer: This chapter holds weightage of 7 marks in Board examination. Latest Articles. Read More. View All News and Articles. Kendriya Vidyalaya Pune Admission - Check the admission p Inspire Scholarship - Know eligibility criteria, dates, c View All Latest Articles. Explore Popular Degree, Branches and Courses. Browse by Degrees. Sc Nursing Bachelor of Science in Nursing. Browse by Courses.
Computer Science Engineering. Mechanical Engineering. Civil Engineering. Information Technology. Electrical Engineering. View All Courses. Showing 29 out of 29 Questions. Souhrid Sarkar 23rd Mar, It is available in the form of district-wise marks lists , consisting of registration numbers and marks of all students. Along with the NTSE stage 1 result, cutoff Ncert Solutions For Class 10th Ch 6 Life Processes Science App and merit list of selected candidates is also released.
The students those who have cleared the stage 1 exam are eligible to seat for the stage 2 exam which is going to be held on June 13, The scholarship will be given to the students who will pass the stage 2 examination.
Answer later. Manisha 31st Jan, A candidate can appear for maximum three attempts. Yash Dev Student Expert 15th Jan, Feel free to comment if you've any doubt Good luck. Parmeshwar Suhag 3rd Jan, Shubham Dhane 4th Nov, Hello, The 10th CBSE board exam will be conducted in offline mode only, These board exams will not be conducted in online mode. View All Questions. Related E-books and Sample Papers. Free Download. Upcoming School Exams.
Download Brochure. Exam Pattern Result Mock Test. Exam Pattern Result. Write laws of refraction Explain the same with the help of ray diagram when a ray of light passes through a rectangular glass slab. Two stones are thrown vertically upwards simultaneously with their initial velocities. Obtain a relation for the distance travelled by an object moving with uniform acceleration in the interval between 4th and 5th seconds. The barrel of a fountain pen cylindrical in shape is 7 cm long and 5 mm in diameter A full barrel of ink.
In which plant will you look for mycorrhiza and coralloid roots Also explain what these terms mean.
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