10th Class Science Previous Paper 2017 Regular PDF Download

10th Class Science Previous Paper 2017 Regular PDF Download

10th Class Science Previous Paper 2017 Regular PDF Download(Physics, Chemistry and Life science)

Physics, Chemistry & Life science

Section-A

(Physics)

(Long Answer Type Question)

Q1.     What are Spherical Mirrors? Explain, how a concave mirror is different from a convex mirror?

Or

     Explain the laws of Refraction of Light.

(Short Answer Type Questions)

Q2.     What do you understand by Resistance in series?

Or

What is meant by Potential Difference? How is it measured?

Q3.Discuss the working of Human eye as a system of refraction of light.

Or

Explain the phenomenon of Dispersion of Light by a Glass Prism.

Q4.What is Oersted Experiment? What is effect of a Bar magnet on a compass needle?

Or

What is an Electric Motor? Give its principle.

(Very Short Answer Type Questions)

Q5.Define Nuclear Energy.

Q6.A convex lens is of focal length 2 meters. What is the power of lens?

Q7.Give two uses of convex mirrors.

(Multiple Choice Questions)

Q8.We can see the Sun, even after it has actually set for about:

(a)                0.3 minutes

(b)               30 minutes

(c)                2 minutes

(d)               50 seconds

Q9.Which of the following is associated with gravitational pull of Moon?

(a)                Total Energy

(b)               Solar Energy

(c)                Ocean Thermal Energy

(d)               Wind Energy

Q10.        Voltmeter is used to measure the:

(a)                Power

(b)               Charge

(c)                Current

(d)               Potential difference

Q11.        In the equation V = IR, the ‘I’ is an expression of:

(a)                Charge

(b)               Current

(c)                Potential Difference

(d)               Resistance

Section-B

(CHEMISTRY)

(Long Answer Type Questions)

Q12.        What are unsaturated Hydrocarbons? Discuss briefly the types of unsaturated hydrocarbons.

Or

What is a Homologous series? Describe briefly the various homologous groups of organic compounds.

(Short Answer Type Questions)

Q13.        Describe briefly any two types of chemical reactions with an example of each.

Or

What is Rancidity? How can it be prevented?

Q14.        What are Acids? Give an idea of organic and mineral acids.

Or

What is the importance of pH in everyday life?

Q15.        Explain the properties of ionic compounds.

Or

What are the various methods of refining of metals?

(Very Short Answer Type Question)

Q16.        Distinguish between a ‘Group’ and a ‘period’ of modern periodic table.

Q17.        Define an alloy.

Q18.        Write down any two achievement of Modern Periodic Table.

(Multiple Choice Questions)

Q19.        The reaction in which chlorine in presence of Sunlight replaces Hydrogen atoms of a Hydrocarbon is:

(a)                Addition reaction

(b)               Combustion

(c)                Hydrogenation

(d)               Substitution reaction

Q20.        The Hydrocarbon part of soap is:

(a)                Insoluble in water

(b)               Insoluble in oil

(c)                Insoluble in greese

(d)               None of these

Q21.        Salts include:

(a)                NaCI

(b)               CaCI

(c)                Na2Co3

(d)               All the above

Q22.        Which of the following is a balance chemical equation?

(a)                H2 +N2 = NH3

(b)               H2 +N2 = 2NH3

(c)                H2 +N2 = 2NH3

(d)               2H2+NH2 =2NH3

Section-C

(LIFE SCIENCE)

(Long Answers Type Questions)

Q23.        What is Respiration? Describe the Respiratory system of Human beings?

Or

Describe how water and food materials are transported in plants.

(Short Answer Type Questions)

Q24.        Explain the various movements in plants due to growth.

Or

Discuss the structure of Human Brain.

Q25.        Describe briefly the human male reproductive system.

Or

What is vegetative propagation? What are its advantages?

Q26.        Differentiate Acquired traits from the inherited traits.

Or

What are Analogous and Homologous organs? Give Examples.

(Very Short Answer Questions)

Q27.        Give any two ways to manage garbage at home.

Q28.        Define Food web.

Q29.        What is Chipko Movement?

(Multiple Choice Questions)

Q30.        One of the following industries is based on forest produce:

(a)                Lac

(b)               Steel

(c)                Oil and Petroleum

(d)               None of these

Q31.        Coal in addition of carbon contains:

(a)                Chlorine

(b)               Cobalt

(c)                Nitrogen

(d)               Potassium

Q32.        Which of the following shows regeneration?

(a)                Bryophyllum

(b)               Amoeba

(c)                Plasmodium

(d)               Hydra

Q33.        Which of the following is the information source for making proteins?

(a)                Variations

(b)               DNA

(c)                Carbohydrates

(d)               Lysosomes

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