CBSE 2014 – 2015 Class 09 SA2 Question Papers

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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 ...
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Magnetic Effects of Electric Current - CBSE Board Test Questions for class 10

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Central Public School,Samastipur and Sadhana Devi Vidyapith Assignment SA-1 Chapter: Magnetic Effects of Electric Current Section-A [1marks] 1. What does the direction of thumb indicate in the right-hand thumb rule? 2. What is the frequency of alternating current in India? 3. How will you use a solenoid to magnetize a steel bar? 4. An alternating electric current has a frequency of 50 Hz. How many times does it change its direction in one second? 5. Name devices which produce: (i) alternating current, (ii) direct current. 6. Name the physicist who discovered the magnetic effect of the electric current. 7. A straight copper conductor is held parallel to the axis of a freely suspended magnetic needle such that the conductor is under the needle and the current is flowing from south to north. In which direction the north of magnetic needle will move? 8. If a copper conductor carrying a current is held in north-south direction, in which direction will its magnetic ...
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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,
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Physics : Class X Chapter: ELECTRICITY Assignment 2012-13

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Sadhana Devi Vidyapith, Samastipur ASSIGNMENT -1, (2012-13) By JSUNIL   Sub. – Physics, Class - X   Chapter -ELECTRICITY One mark questions 1. Define the term “electric current”. 2. Define the term ‘resistivity’ of a material. 3. How is a Voltmeter connected in the circuit to measure the potential difference between two points? 4. You have two metallic wires of resistances 6 ohm and 3 ohm. How will you connect these wires to get the effective resistance of 2 ohm? 5. If the distance between two electric charges is doubled, how much will the force exerting between them change to? Two marks questions 6. State Ohm’s law. “The resistance of a conductor is 1Ω.” What is meant by this statement? 7. Why are coils of electric toaster made of an alloy rather than a pure metal? 8. Why is the series arrangement not used for domestic circuits? 9. A wire of resistivity ‘r’ is stretched to double its length. How does it affect the (a) resistance (b) resistivity? 10. Write tw...
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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:  Hea...
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