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class9 why do we fall ill solved questions

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WHY DO WE FALL ILL CLASS-IX STUDY MATERIAL 1. Define health. Ans. Health is defined as the state of complete physical, mental and social well being. 2. What is disease? Ans. Disease is a departure from normal health through structural or functional disorder of the body. 3. What is the most important factor that keeps us healthy? Ans. Our social environment is an important factor in our individual health. 4. List any two conditions essential for good health. Ans. Conditions essential for good health are: i. to have a balanced diet and varied diet. ii. avoid wrong habits like drinking alcohol and drug consumption. 5. List any two conditions essential for being free of disease. Ans. Conditions essential for being free of disease are: i. maintain personal hygeine. ii. keep environment clean and hygiene. 6. Give examples of diseases which are caused by intrinsic sources and extrinsic sources. Ans. Diseases caused by intrinsic sources:  Heart a

2015-2016 Latest 10th original School CBSE paper Science SA- 1 (Sep-2015)

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Original Question Paper of Science[Exam 2015] Conducted in different CBSE schools SA-1 Class 9th & 10th Latest Papers (September 2015) 10th Science SA- 1 (2015) original paper_new -1 Download File Read Online 10th Science SA- 1 (2015) original paper_new -2 Download File 10th Science SA- 1 (2015) original paper_new -3 Download File 10th Social Science sa-1 original paper 2015-16-1 Download File 10th Social Science sa-1 original paper 2015-16-2 Download File 10th SA-1 CBSE Original Maths Paper 2015-2016 -1 Download File 10th SA-1 CBSE Original Maths Paper 2015-2016 -2 Download File SA-1 class 9 Latest Original CBSE Question for Maths 2015 Exam conducted in different CBSE schools SA-1 class 9 Maths Original Paper 2015-2016-1 Download File SA-1 class 9 Science Original Paper 2015-2016-1 Download File Label: IX Sample paper SA-1, X Sample Papers SA-1,

SA1 sample Question paper sept. 2015 by Jsunil

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Class 9 Mathematics SA-1 [Sep 2015] Sample Practice papers 9th Maths sample Question paper 2015 - 1 Download File 9th Maths sample Question paper 2015 - 2 Download File 9th Maths sample Question paper 2015 - 3 Download File 9th Maths sample Question paper 2015 - 4 Download File 9th Maths sample Question paper 2015 - 5 Download File SA-1 class9 Original Question for Maths 2014:Exam conducted in different CBSE schools SA-1 class 9 Sample CBSE Question Paper for Maths 2014 Class 9 Maths Sample Question Paper With Solution Free Class 9 Science SA-1 [Sep 2015] Sample Practice papers SA-1 class 9 Science Original Paper 2014-2015-1 Download File SA-1 class 9 Science Original Paper 2014-2015-2 Download File SA-1 class 9 Science Original Paper 2014-2015-3 Download File SA-1 class 9 Science Original Paper 2014-2015-4 Download File SA-1 class 9 Science Original Paper 2014-2015-5 Download File Fore more practice paper and Original paper from different schools   Visit n

Class9 Biology chapter Cell the Fundamental unit of life :Assignment solved

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1. What is plasma membrane? What are their functions? Ans: Plasma membrane also called as cell membrane, is the outer covering of a cell that separates the cell contents (protoplasm) from the surrounding medium. It is made up of proteins and lipids. It gives form (shape and size) to the cell It maintains the individuality of the cell (i.e. seperates cells) It keeps the cell contents in place 2. What are cell organelles ? Ans: The certain specific living parts of a cell with a definite function are celled Cell organelles. All cell are found to have same organelles and together these constitute to the basic unit of life. 3. What is cellulose and its functions? Ans: Cellulose is the main component of a plant cell wall. It is responsible for giving structural shape to the cell and also to protect the protoplasm. 4.  What is a Prokaryotic cell? Give an Example. Ans: The cells that do not have a nuclear membrane and membrane

Obtaining and Utilization Food Class 7 Science Solved question (Basic Science Questions answers)

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A. Answer these questions 1. Name the three life process help living being to procure energy from food? Answer: Three life processes that help living organisms to procure energy from food are: (i) Digestion (Nutrition) (ii) Respiration (iii) Transportation 2. What are Autotrophs? Name an organism other than other than green plant that is an autotroph. Answer: Autotrophs are organisms that can prepare their own food. Chlamydomonas is a type of green algae which is an example of an autotroph, other than green plants. Cyanobacteria are also an example of autotroph. 3. Name three type of heterotrophic nutrition Answer: Three types of heterotrophic nutrition are: (i) Saprophytic nutrition (ii) Parasitic nutrition (iii) Holozoic nutrition 4. What are enzymes? Answer: Enzymes are chemical substances that act as biological catalysts and are important for carrying out biochemical processes, such as digestion, in our body

Maths board paper2015 set-2 solution CBSE

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#board paper2015solution CBSE Class 10th Mathematics Question Paper Solution 2015 cbse mathematics paperanswer key 2015 cbse 10th board maths question & answers with solution 2015. CBSE Board annual exam 2015 for Class 10th is going on. For convenience of students question paper with answer and solution of class 10h for 2015 are available. You candownload the question paper of Mathematics for class 10th. Another guidance and help of the students is also appreciating. Board Paper Solutions (2015) Class: X: Maths 2015 Set 3: Solutions (All India)

CBSE 2014 – 2015 Class 09 SA2 Question Papers

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Social science class 9 CBSE Board Question paper 2015 9th maths Question Paper contributed by visitor 2015 Mathematics original papers 2015 class 9 CBSE sa2 [DAV Samastipur] Science original papers 2015 class 9 CBSE sa2 [SDV samastipur] Social Real papers 2015 class 9 CBSE sa2 [KV samastipur] Maths original papers 2015 Bal Bharati Public School Navi Mumbai class 9 CBSE sa2 9th class original paper 2015 term-2 :St.Xavier senior secondary school New CBSE Class IX Mathematics and Science Solved Question Paper for exam 2015

Class 10 Science CBSE Board Paper Solutions 2015 Delhi Set-2

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Q. 1. Write the name and formula of the 2nd member of homologous series having general formula CnH2n Ans: CnH2n+2 is the general formula for the alkane series. So, the second member of the alkane family is ethane Q.2. what is the magnification of the images formed by plane mirrors and why? Ans: The magnification of the image formed by a plane mirror is 1. This is because the size of the image formed is equal to the height of the object Q.3. What is meant by power of a lens? Ans: The power of a lens the ability of the lens to converge or diverge an incident beam focused on it. P = 1/f Q.4. Write two differences between binary fission and multiple fission in a tabular form. Ans: Binary Fission Only two daughter cells are produced. Nuclear division is immediately followed by cytoplasmic division. Multiple Fission More than two daughter cells are produced. Nuclear division is not immediately followed Q.5. (a) Why do we need to manage our resources carefull

Social Science Sample paper 2015 Based on marking sceam issued by CBSE[JST201502]

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SUMMATIVE ASSESSMENT – II (2014-15) SOCIAL SCIENCE lass – X [JST201502] This is based on Sample paper issued by CBSE 2015 for SA- II Session 2015 Very short answers -VSA (1 mark) [Total 8 questions] 1. Who said that ‘When France sneezes, the rest of Europe catches cold.’ ? 2. What is the economic barometer of a country 3. What is FEDECOR ? 4. By whom the Green Belt Movement of Kenya was led by ? 5. What we call the asset bought by the MCC’s in a country 6. Which is the main source of credit for rich urban households? 7. Who announced a vague offer of “Dominion Status” for India in 1929? 8. Which is the most important oil field of Gujrat? Short answers -VSA (3 mark) [Total 12 questions] 1. How could a Satyagrahi win the battle through non-violence, without seeking vengeance

10th Sample Paper SA2 issued by CBSE (for 2015)

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10th SSt. SA2  Sample Paper  issued by CBSE 2015                           Download File X Maths Sample Paper SA2 issued by CBSE (for 2015)                  Download File X Science SA2 Sample Paper issued by CBSE 2015)                         Download File X English Com  Sample Paper  SA2 by CBSE 2015                              Download File X English Language _  Literature  Sample Paper 2015                      Download File Solved papers for CBSE Board Exam                                                      Download File

CBSE ADDA: 9th Natural Resources-Questions from recent Board Exam with answer

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Question: Water is known as ‘A Wonder Liquid’. Justify this statement by giving any two reasons Ans : Water is known as ‘A Wonder Liquid’ because most of the chemical reaction is only possible due to water. Living organism animals, plants, microorganisms, human beings mainly contain water that makes life possible on the earth. Environment temperature, rainfall etc are maintained by water. Question: The overuse of fertilizers and pesticides is harmful for the soil. Why ? Ans: Destroys soil structure by killing soil microbes that recycle nutrients in the soil. Kills earthworms which help in making rich humus.  Question: (a) What are the two ways by which carbon dioxide is „fixed‟ in our atmosphere.(b) Which gas is produced when glucose molecule breaks down releasing energy ? Ans: (a) the two ways by which carbon dioxide is fixed in our atmosphere are: (i) Green plants convert CO2 into glucose in presence of sunlight  (ii) Many marine animals use carbonates dissolved in sea w