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Chapter wise sample papers

Management of Natural Resources Our Environment Sources of Energy Magnetic Effects of Electric Current Electricity Human Eye and Colourful World Light – Reflection and Refraction Heredity and Evolution How do Organisms Reproduce? Control and Coordination Life Processes Periodic Classification Carbon and its Compounds Metals and Non-metals Acids, Bases and Salts Chemical Reactions and Equations

HERIDITY AND EVOLUTION

1.Why do asexually reproducing organisms shows very little variation and what is cause of this variation?2.Do the survival of variants have equal chances? If not explain the factors on which survival depends.3.How the creation of variation in certain species promotes survival?4.Why did Mendel select pea plant for his experiment?5.What are the seven contrasting character observed by Mendel in pea plant?6.With schematic figure show inheritance of any trait over two generations?7.With schematic figure show independent inheritance o0f two separate traits.8.What experiment confirms that the F2 generation did in fact have a 1:2:1 ratio. Show this giving an example.9.A man with blood group A marries a woman with blood group O and their daughter has blood group O. With schematic figure explain how this could be possible?10.Briefly describe sex determination in human beings.11.How did Mendel’s experiment show that traits might be dominant or recessive?12.Give an example in which adaptation in t

OUR ENVIRONMENT

1.Define environment. What are the two components of environment? 2.What is biogeochemical cycle? Name four nutrients, which are recycled? 3.Differentiate biodegradable and non-biodegradable substances with examples. 4.Define ecosystem and what are the components of ecosystem? 5.Give example of abiotic component of ecosystem. 6.Give two artificial and two natural system of ecosystem. 7.Define trophic level. Write the trophic level of carnivores, herbivores and producers. 8.How are consumers classified? Give example of two organisms of each group. 9.How do microorganisms help in nutrient cycling? 10.Give two functions of ecosystem. 11.Why should not be a food chain more than four steps? 12.Define ten percent law of energy transfer. 13.What percent of light energy do producers capture? 14.If 2000 calories of solar energy falls on earth surface, calculate the amount of energy received at producer, herbivore and carnivore level. 15.Which type of food habit provides more energy - vegetarian

MANAGEMENT OF NATURAL RESOURCES 1.What do you mean by natural resources? Give examples.2.What are various laws and organisations that protect our environment?3.Name the microorganisms whose presence indicates water contamination?4.Write one way how to measure contamination of water.5.Explain three R’s to save environment.6.What is sustainable development? 7.What is the necessity to manage our resources?8.Why forest is called ‘biodiversity hot spots’?9.Who are the stakeholders of forest?10.Out of the four stakeholders which one is preferred to take care of forest?11.Why do forest development and industrialists are not preferred to forest conservation?12.What is ‘chipko movement’? Why this movement became so popular?13.What are the various reasons of non-availability of water in arid and semi-arid zones of our country?14.What are the advantages of dam?15.Why dam construction is a matter of controversy and criticism?16.Define water harvesting? What are the various ways of water harvesting

CONTROL AND COORDINATION-REV. QUESTIONS BIO. CLASS X

1. What is reflex action? Explain with an example along with the diagram of the stated example. Define reflex arc. A. It is an accurate, unconscious, involuntary and instantaneous response to a stimulus. e.g.: Hand is withdrawn on being picked. The pathway taken by a stimulus to travel from receptor organ to effector organ is known as reflex arc. Schematic pathway: STIMULUS------->RECEPTOR ORGAN-----(sensory neuron)----->SPINAL CORD---(motor neuron)----->EFFECTOR ORGAN------->RESPONSE See text book for diagram. 2. Distinguish between nastic and tropic movement? -----------NASIC--------------------------TROPIC----------- 1. Growth is not involved.--------1. Growth is involved. 2. Movement is not directional.-2. Movement is directional. 3. Stimulus is diffused.------------3. Stimulus is unilateral. 3. How is hormone secretion is regulated by feedback means? A. Feedback system is a regulatory mechanism in which presence of certain level of substance promotes or inhibits its fu

Arithmetic Progressions

10maths_quadraticequations_test_01_2008 Description: Test Paper on Quadratic Equation for class 10th as per the syllabus prescribed by CBSE for March 2008 exams.Version: Filesize: 25 bytesAdded on: 27-Aug-2009 Details 10maths_chapter1and2_test_01_2008 Description: This download has chapter 01 (Real Numbers ) and Chapter 02 (Polynomials) test paper for 2008 exams.Version: Filesize: 25 bytesAdded on: 27-Aug-2009 10maths_arithmeticprogression_test_01_2008 Description: Test Paper No. 01 on Arithmetic Progression for CBSE class 10th as per Latest syllabus for March, 2008 exams.Version: Filesize: 25 bytesAdded on: 27-Aug-2009 10maths_arithmeticprogression_test_02_2008 Description: Test Paper No. 02 on Arithmetic Progression for CBSE class 10th as per Latest syllabus for March, 2008 exams.Version: Filesize: 25 bytesAdded on: 27-Aug-2009 10maths_arithmeticprogression_test_03_2008 Description: Test Paper No. 03 on Arithmetic Progression for CBSE class 10th as per Latest syllabus for March, 2008

Mathsematics Chapter wise Sample papers

Mathematics Sample papers for 9th 10th 11th 12th Real Numbers Pair of Linear Equations in Two Variables Quadratic Equations Arithmetic Progressions Coordinate Geometry Introduction to Trigonometry Some Applications of Trigonometry Circles C onstructions Areas Related to Circles urface Areas and Volumes Statistics P robability

Quadratic Equations

10maths_quadraticequations_test_01_2008 Description: Test Paper on Quadratic Equation for class 10th as per the syllabus prescribed by CBSE for March 2008 exams.Version: Filesize: 25 bytesAdded on: 27-Aug-2009 10maths_chapter1and2_test_01_2008 Description: This download has chapter 01 (Real Numbers ) and Chapter 02 (Polynomials) test paper for 2008 exams.Version: Filesize: 25 bytesAdded on: 27-Aug-2009 10maths_arithmeticprogression_test_01_2008 Description: Test Paper No. 01 on Arithmetic Progression for CBSE class 10th as per Latest syllabus for March, 2008 exams.Version: Filesize: 25 bytesAdded on: 27-Aug-2009 10maths_arithmeticprogression_test_02_2008 Description: Test Paper No. 02 on Arithmetic Progression for CBSE class 10th as per Latest syllabus for March, 2008 exams.Version: Filesize: 25 bytesAdded on: 27-Aug-2009 10maths_arithmeticprogression_test_03_2008 Description: Test Paper No. 03 on Arithmetic Progression for CBSE class 10th as per Latest syllabus for March, 2008 exams.V

Pair of Linear Equations in Two Variables

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real_numbers

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Probability

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Arithmetic Progressions

Quadratic Equations

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Pair of Linear Equations in Two Variables

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Real Numbers

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solved sample appers 2009

Click here download now science solved sample papers

Chapter wise sample papers

Light – Reflection and Refraction

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Periodic Classification of Elements

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Our Environment

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Metals and Non-metals

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Acids, Bases and Salts

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Carbon and its Compounds

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How do Organisms Reproduce?

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Life Processes

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Heredity and Evolution

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Electricity

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Human Eye and Colourful World

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Management of Natural Resources

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Control and Coordination

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Sources of Energy

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Carbon and its Compounds

Sources of Energy

Chapter Wise Notes

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SCIENCE SOLVED SAMPLE PAPERS

CURRENT AND ELECTRICITY click here to download notes Management of Natural Resources Our Environment Sources of Energy Magnetic Effects of Electric Current Electricity Human Eye and Colourful World Light – Reflection and Refraction Heredity and Evolution How do Organisms Reproduce? Control and Coordination Life Processes Periodic Classification of Elements Carbon and its Compounds Metals and Non-metals Acids, Bases and Salts Chemical Reactions and Equations

How to Score Good Marks

There are some tips and tricks that will help you a lot in preparation for the board exams. How many subjects, you touch for on daily basis and how much time you give for a single subject. What is the way of your preparation, these are some points which plays very important role in getting and scoring good marks in the board exams. Let’s talk about how to prepare: Try to study as least four subjects out of total five per day. This will keep your memory sharp for all subjects. Then spend one hour for a single subject. It means, you to give four hours daily for your all four subjects. But don’t study continuously. Just make a schedule like that… Study for 1 hour for a subject dedicatedly. Take a small break. In break you can talk to your friends but don’t discuss about study. You can watch TV also and watch only that program you like most. You can do anything interesting you like. Then again come to study. And give one hour for second subject and study dedicatedly; don’t think about movi

Should students take the help of CBSE sample peppers?

In these days every one is looking for good marks. Students buy many kinds of sample papers and solve then. But in reality many students can not complete these sample papers as they have the burden of many subject. So, how to prepare for the exam? Don’t buy so many extra cbse sample papers. Just buy one and best sample paper after proper guidance from your seniors and teacher. It has been seen that students normally purchase those sample papers which new publisher offer in school moreover teachers also support them. But this is bad. We should not play with money and with the future of our students just for the sake of money. So buy and read the sample paper but after proper guidance from your seniors. Take advice from the toppers of your school that how they prepare for the exams which cbse sample papers they had purchased. There are many samples papers for 10th class and 12th class cbse sample papers. You will find interest in solving sample papers if you have completed your course fo

MATHS STUDY TIPS

MATHS STUDY TIPS Math is learned by doing problems. The problems help you learn the formulas and techniques you do need to know, as well as improve your problem-solving skills.Form a study group in your school or with your friends. Meet once or twice a week Go over problems you've had trouble with. Either someone else in the group will help you, or you will discover you're all stuck on the same problems. Then it's time to get help from your Teacher.Write formulas on cards or on white sheet and put on wall above your study table. Read these formulas daily, this way you can easily remember all formulas.Always review previous sections you have already covered each day. Reviewing daily take much lesser time than coming back to covered section after a month or weeks.After you solve mathematical problem, have your teacher or someone else check the steps you followed to solve the problem.Practice as much as possible, just watching the teacher do the problem, does not develop your

IMPORTANCE OF GOOD HANDWRITING IN EXAMS

Good handwriting always gives an upper hand to a student, but that doesn't mean that poor handwriting always costs. Actually what matters is writing neatly, make sure that examiner understands what you have written. TIPS1. Use Black pen to write title and subtitles.2. Give diagrams wherever necessary.3. Wherever possible use scale for drawing.4. Underline the key words.5. Always start a new question on a new page.6. If there is any mistake don't make it look shabby by scratching it many times; just put a line over it.Follow the above points you’ll definitely earn 5 to 6 marks more than expected.

MATHS STUDY TIPS

Math is learned by doing problems. The problems help you learn the formulas and techniques you do need to know, as well as improve your problem-solving skills. Form a study group in your school or with your friends. Meet once or twice a week Go over problems you've had trouble with. Either someone else in the group will help you, or you will discover you're all stuck on the same problems. Then it's time to get help from your Teacher. Write formulas on cards or on white sheet and put on wall above your study table. Read these formulas daily, this way you can easily remember all formulas. Always review previous sections you have already covered each day. Reviewing daily take much lesser time than coming back to covered section after a month or weeks. After you solve mathematical problem, have your teacher or someone else check the steps you followed to solve the problem. Practice as much as possible, just watching the teacher do the problem, does not develop your ability to s

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CBSE India Board Sample Papers, Guess Papers, Question papers, This Sample, Guess, Question Papers is designed by Expert Teachers of Various Central Board of Secondary Education Teachers, For our CBSE Students of India & abroad . We hope that these papers, questions will be so helpful for the students, teachers and also for the guardians. Our aim is to provide a world class mathematics education to the students. Our Aim To provide online solution of mathematical problems to the student of IX to XII. Students can ask there queries through email and we will provide online solution to every individual. And also we have some fun with mathematics. Chapter wise description, Sample papers will increase imagination power of students and they will have a good command over the Subject.