Read and download PDF of CBSE Class 10 Science Sample Paper 2017 Set D designed as per the latest curriculum and examination pattern for Class 10 issued by CBSE, NCERT and KVS. The latest Class 10 Science Sample Papers have been provided with solutions so that the students can solve these practice papers and then compare their answers. This will help them to identify mistakes and improvement areas in Science Standard 10 which they need to study more to get better marks in Grade 10 exams. After solving these guess papers also refer to solved Class 10 Science Question Papers available on our website to build strong understanding of the subject
Science Sample Paper Class 10 2017
Students can refer to the below Class 10 Science Sample Paper designed to help students understand the pattern of questions that will be asked in Grade 10 exams. Please download CBSE Class 10 Science Sample Paper 2017 Set D
Science Class 10 Sample Paper 2017
Q.1 Why does a compass needle get deflected when brought near a bar magnet?
Q.2 List two gases generated in a bio-gas plant.
Q.3 What happens between the two neurons at the synapse?
Q.4 Why does the colour of copper sulphate solution change when an iron nail is dipped in it ? Write two observations.
Q.5 a) Why does a milkman add a very small amount of baking soda to fresh milk?
b) Write the chemical formula of baking soda.
Q.6 How is the small intestine designed to absorb the digested food?
Q.7 a) Define the unit of current. Name the instrument used to measure electric current. How is it connected in a circuit?
b) Draw an electric circuit to describe ohm’s law. Label the circuit components used to measure electric current and potential difference.
Q.8 Write one application of each of the following -
a) Right hand thumb rule
b) Fleming’s left hand rule
c) Fleming’s right hand rule
Q.9 A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet is
a) pushed into the coil
b) withdrawn from inside the coil
c) held stationary inside the coil?
Q.10 a) Why is hydrogen considered a better and cleaner fuel than CNG?
b) Mention any two areas where solar cells are used as source of energy.
c) State the biggest hindrance in trapping geothermal energy.
Q.11 Shivam’s father is a builder. While working on a project of developing a residential complex, he ensured that the surrounding was made green by planting trees. He also installed solar water heaters on the roof tops and solar panel for lightning streets of the complex at night.
a) By opting the devices based on solar energy in the residential complex, how has Shivam’s father made all the future residents of the complex contribute to save energy crises?
b) Explain two values exhibited by Shivam’s father.
Q.12 Write the balanced equations for the following reactions and identify the type of reaction in each case.
a) Barium chloride + potassium sulphate ® Barium sulphate + potassium chloride
b) Silver chloride —→sunlight Silver + chlorine
Q.13 A compound which is prepared from gypsum has the property of hardening when mixed with proper quantity of water.
a) Identify the compound
b) Write the chemical equation for its preparation.
c) Mention one important use of this compound.
Q.14 A metal ‘X’ acquires a reddish brown coating on its surface on exposure to moist air.
a) Identify the metal ‘X’ and name the process responsible for this change.
b) Name and write chemical formula of the Reddish Brown Coating on the metal.
c) Name a method to prevent the process.
Q.15 Explain with the help of an activity that ionic compounds conduct electricity in aqueous solution. Also draw a neat labelled diagram.
Q.16 a) State the role of –
i) Diaphragm ii) Alveoli
b) Write the function of –
i) Renal artery ii) Renal vein
c) What are the raw materials required for photosynthesis?
Q.17 a) How are fats digested in our bodies? Where does this process take place?
b) What is the role of saliva in the digestion of food?
Q.18 a) What is a tropic movement?
b) How do auxin promote the growth of a tendril around a support?
c) Which plant hormone inhibit growth?
Q.19 a) Distinguish between the terms, electrical resistance and resistivity of a conductor.
b) A copper wire of resistivity 1.6×10-8 Wm has a cross-sectional area of 20×10-4 cm2. Calculate the length of the wire required to make a 10W coil.
Q.20 a) How many joule is equivalent to 1 kWh ?
b) Derive the expression for the heat produced due to a current ‘I’ flowing for a time interval ‘t’ through a resistor ‘R’ having a potential difference ‘V’ across its ends.
c) Compute the heat generated while transferring 96000 coulomb of charge in one hour through a potential difference of 50V.
Q.21 Draw the pattern of magnetic field lines through and around a current-carrying solenoid. What does the magnetic field pattern inside the solenoid indicate? How can this principle be utilized to make an electromagnet? State two ways by which strength of this electromagnet can be increased?
Q.22 a) Write two differences between Roasting and calcination.
b) How is impure copper purified by electrolytic refining? Draw a labelled diagram also.
Q.23 A student dropped few pieces of marble in dil. HCl contained in a test tube. The evolved gas was then passed through lime water. What change would be observed in lime water? What will happen if excess of the gas is passed through lime water? Also write balanced chemical equations for all the chemical reactions involved.
Q.24 a) Draw a labelled structure of a neuron and explain its function.
b) What is the role of thyroxin in our body?
c) State two important functions of fore brain in human being.
Please click the link below to download CBSE Class 10 Science Sample Paper 2017 Set D
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