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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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VI (6th) Fun with Magnets MCQ’s

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CBSE - Class 6 - Science Chapter :Fun with  Magnets Multiple choice Questions (1) When a magnet is suspended freely it always aligns itself in --------  direction? a) North        b) N-S          c) N-W         d) N-E (2) ---------- is the only natural magnet. a) Magnetite         b) Ebonite      c) Cobalt      d) Nickel (3) Which of the following cannot be used to make a magnet? a) Cobalt              b) Iron                      c) Ebonite     d) Steel (4) Which of the following is not a non-magnetic substance? a) Glass    ...
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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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Social Science Question Paper 9 CBSE SA-1 2014

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9th SA-1 Original CBSE Question Paper of Social Science 2014 Exam conducted in different CBSE schools IX SA-1 Original Paper Social Science 2014-1 Download File IX SA-1 Original Paper Social Science 2014-2 Download File For more paper visit Original Papers CBSE 2014 - 2015 Class 09 SA1 Question Papers – Science CBSE 2014 – 2015 Class 09 SA1 Question Papers – Social Science CBSE 2014 – 2015 Class 09 SA1 Question Papers – Maths CBSE 2014 – 2015 Class 09 SA1 Question Papers – Hindi CBSE 2014 – 2015 Class 09 SA1 Question Papers – English   CBSE 2014 – 2015 Class 09 SA1 Question Papers – Sanskrit
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Class X CH-3 PAIR OF LINEAR EQUATION IN TWO VARIABLES SA-1

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Q.1. Draw the graph of 2y = 4x – 6      2x = y+ 3 And determine whether this system of linear equation has a unique solution of not. Q.2. solve the following system of linear equation: 5x – 6y + 30 = 0                      5x + 4y – 20 =0 Find the vertices of the triangle formed by the above two lines and x-axis. Q.3. solve graphically the system of linear equation: 4x – 3y + 4 = 0                        4x + 3y – 20 = 0 Find the area of the region bounded by these lines and x-axis. Q.4. find value of k for which the systems of equation have a unique solution: X – ky = 2                   3x + 2y = -5 Q.5. find value of k for which the systems of e...
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