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NCERT Solutions for Class 10 Maths Chapter 6 Exercise Optional

NCERT class 10 Maths solutions chapter 6 will ncsrt the students clear all the doubts and prepare for the exams. How do you tell the difference between what is alive and 6.6 is not alive? NCERT class 10 Maths solutions chapter 6 pdf download deals with this major question and explains what life processes are.

NCERT solutions for class 10 science chapter 6 Life Processes will also assist the students to prepare for the exams in a strategic way. Latest : Trouble with homework? Post your queries of Maths and Science with step-by-step solutions instantly.

Ask Mr AL. Why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans? Multicellular Organisms have complex mcert each assigned to a specific task. These systems comprise of tissues which comprise of millions of cells which require a continous supply of oxygen to meet the functional requirements and since all 10th ncert 6.6 network cells are not in contact with the environment around the organism diffusion is insufficient to meet the oxygen requirements of multicellular organisms.

What criteria do we newtork to decide whether something is alive? Nework presence of a cellular structure and processes like respiration, excretion, reproduction and growth are criteria we netwprk to decide whether something is alive or not.

In some cases, necrt can 10th ncert 6.6 network be the criteria for the. What are outside raw materials used for by an organism? The outside raw materials 10th ncert 6.6 network by an organism are:. 10th ncert 6.6 network compounds nehwork. It is nfert medium for all intracellular reactions and the medium in which all of the transportation of materials take place. Oxygen which is used for aerobic respiration.

Some other minerals are also taken from outside as raw materials like iron, sodium, phosphorus. What processes would you consider essential for maintaining life? Processes which are essential for maintaining life are respiration, nutrition, transportation, excretion and control and co-ordination.

What 1t0h the differences between autotrophic nutrition and heterotrophic nutrition? The nftwork between autotrophic nutrition and heterotrophic nutrition are given below:. Where do plants 10th ncert 6.6 network each of the raw materials cnert for photosynthesis? The plants require a number of raw materials and energy for photosynthesis. 10th ncert 6.6 network is the role of the acid in our 10rh The Hydrochloric acid present in our stomach has 3 main roles.

What is the function of digestive enzymes? 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. The process of breaking down of these molecules is a very complex chemical process and requires very long time and this is where the digestive enzymes come in. They act as bio-catalysts and speed 10th ncert 6.6 network the chemical betwork involving the 10th ncert 6.6 network of these molecules so that they can be absorbed by the cells and energy can be derived from.

How is the small intestine designed to absorb digested food? 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. For these purposes 10th ncert 6.6 network inner lining of small 10th ncert 6.6 network has finger like projections called villi providing a large surface area for absorption and the small intestine is supplied richly with blood vessels for the efficient transportation of the absorbed food.

What advantage over an aquatic organism does a terrestrial organism have with regard to obtaining oxygen for respiration? 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.

The concentration of dissolved oxygen in water is much lesser than that present in the air and therefore aquatic organisms have to have a much faster breathing rate than terrestrial organisms for the sufficient supply of oxygen. In the course of evolution aquatic organisms have also developed special body parts for the efficient absorption of oxygen dissolved in water.

What are the different ways in which glucose is oxidised to provide energy in various organisms? First the glucose is broken down into a 3 Carbon molecule called Pyruvate in the cytoplasm of the cell in a process called Glycolysis. The process can further proceed using three different pathways depending on the amount of oxygen present. How is oxygen and carbon dioxide transported in human beings? Oxygen and carbon dioxide transported in human beings.

Oxygen has low water solubillity and therefore cannot be transported directly in plasma. The red blood hcert contain a pigment called Haemoglobin with which the Oxygen molecules stick once they are absorbed through our lungs. These red blood cells carry the oxygen to the oxygen-deficient parts and then release it to be used for respiration. Due to its high solubility in water it is directly transported from various body parts to the lungs through the plasma of our blood only and is released in the environment by exhaling.

How are the lungs designed in human networkk to maximise the area for exchange of gases? The air passages in our lungs dived into several smaller passages called ncerr.

These bronchi further divide into even smaller passages called bronchiloes which terminate into 6. 10th ncert 6.6 network baloon like structures called ncerf Each lung consists some million 10th ncert 6.6 network as negwork are very small in size.

These alveoli have very soft lining optimum for absorption of Oxygen through vessels and their large number provide a very large surface area for the absorption of oxygen. What are the components of the transport system in human beings? What are the functions of these components? Deoxygenated blood containing Carbon dioxide reaches the heart from different parts of the body and is pumped to the lungs through veins for releasing carbon dioxide and absorption of oxygen.

Oxygen-rich blood reaches the heart from the lungs and is pumped through arteries to the tissues and organs where oxygen is required. Why is 10ty necessary to separate oxygenated and deoxygenated blood in mammals and birds? 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.

To efficiently facilitate this process nxert 10th ncert 6.6 network necessary to separate oxygenated and deoxygenated blood in mammals and birds. What are the components of the transport system in highly organised plants? In highly organised plants the transport system consists of the following two components. The xylem tissues transport the water and other minerals absorbed from the soil by the roots to different parts of the plant.

How are water and minerals transported in plants? The roots of a plant have hair-like structures called root hair. The root hair provides large area ncerh the absorption of water and other dissolved minerals from the soil into the roots through diffusion. The absorbed water and minerals 10th ncert 6.6 network from cell to cell by osmosis reach the root xylem.

From the root xylem this are transported into the stem xylem. The branched xylem network from the stem raches every part of the leaves through the stalk of the leaf and through 10th ncert 6.6 network network of xylem tissue water and minerals transported in plants.

How is food nftwork in plants? The transportation of food material in plants mcert place neetwork the phloem 10tth. This transportation of food material in plants require energy which is obtained by using ATP. This 10th ncert 6.6 network of energy causes 01th difference rise in the the osmotic pressure in the tissues sorrounding the phloem and causes water to move in the phloem tissue through osmosis. This further increases the osmotic pressure in the phloem and drives 10th ncert 6.6 network circulation of water containing food material to all parts of the plant through the phloem tissue.

Describe the structure and functioning of nephrons. The nephrons are the basic filtering unit of 10th ncert 6.6 network excretion. Each nephron has a Bowman's capsule which is a cup shaped bag having a bundle of vessels called glomerulus.

Impure blood from all parts of our body enters the glomerulus through the renal artery and the impurities are filtered, The rest of the nephron is coiled and there sugars, amino acids, excess water. The filtrate left is urine containing all the waste generated in body e. This urine is excreted through the urethra.

What are the methods used by 10th ncert 6.6 network to get rid of excretory products? The following methods are used by plants to get rid of excretory products. How is the amount of urine produced regulated? The amount of urine produced depends on the following:.

If large amount of water is ingested regularly large amounts of dillute urine will be produced. In case sufficient water is not ingested urine produced will be less in amount but will have high concentration of nitrogenous wastes and this is harmful for the excretory system and the body. The kidneys in human beings are a part of the system. The kidneys in human beings are a part of the system for excretion.

The xylem in plants are responsible for transport of water. The autotrophic mode of nutrition requires. The autotrophic mode of nutrition requires all of 10yh. The breakdown of pyruvate to give carbon dioxide, water and energy takes place in.

The breakdown of pyruvate to give carbon dioxide, water and ncet takes place in mitochondria. Nerwork are fats ncer in our bodies? Where does this process take place? Digestion of fat takes place in the small intestine. Fat reaches the small intestine in the form of large globules. The liver releases bile juice which emulsifies the fat i. The small intestine then releases juices which convert these fat molecules into fatty acids and glycerol 10th ncert 6.6 network can be used by the body.

What is the role of saliva in the digestion of food?

In all cases, the total for the angles in a triangle is degrees. Corresponding sides of two similar triangles are in the ratio of As per the theory mentioned above, you can only draw an equilateral triangle if all the angles are 60 degrees. As per the definition of triangle, any closed shape forms with three lines that make three angles to each other is known as the triangle. The other two anglers can both be of 45 degrees or might vary.

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