8th Class Science Previous Paper 2016 Jammu Jkbose Pdf Download

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8th Class Science Previous Paper 2016 Jammu Jkbose Pdf Download

8th Class,10th class, 12th class Science Previous Paper 2016 Jammu Jkbose Pdf Download

Science 
Max MArks 50

(Section – 1)
Q1

(i)                 Blue green algae fix …………… directly from air to enhance fertility of soil.
(ii)               Fossil fuels can be made in the laboratory.  (True / false)
(iii)             Internal fertilization takes place in frog. (True / false)
(iv)             Unwanted sound is called …………
(v)               Honey contains ……… water and ……. Sugar with minerals.
(vi)             Most liquids that conduct electricity are solution of …....... and ………
(vii)           The north pole of a magnet attracts/repel the south pole of another magnet.
(viii)         Earthquakes can be predicted in advance. (True / False)
(1 x 8= 8 Marks)

(Section – 2)

Q1.What are mitochondria know as the power house of the cell?
Q2.How meteors are different from meteorites?
Q3.Why are the worm out tyres discarded?
Q4.What are the different ways by which water gets contaminated?
Q5.Can you store lemon pickle in an aluminum utensil?
Q6.Define electroplating.
(6 x 2= 12 Marks)

(Section – 3)

Q7.What is meant by protoplasm? How does it differ from cytoplasm?

Q8.Give reasons for the following:
(i)                 Immersion rods for heating liquids are made up of metallic substance.
(ii)               Copper cannot displace zinc from solution.
(iii)             Sodium and Potassium are stored in Kerosene.

Q9.Does pure water conduct electricity? If not, what we can do to make it conducting.
Q10.                    What is universe? Name six different kinds of heavenly bodies found in the universe.
Q11.                    State two advantages and disadvantages of friction.
(5 x 3= 15 Marks)
(Section – 4)

Q12.                    Draw an outline diagram of animal cell. Label its parts.
OR
Q13.                    Draw an outline diagram of plant cell. Label its parts.

Q14.                    Write five physical properties of metals.
OR
Q15.                    Write uses of metals and non metals.

Q16.                    i)   What do you understand by;  i) New Moon ii) Full Moon
ii)                  What is star? What makes the star to give about vast amount of energy?
OR
Q17.                    What is limiting friction? State laws of limiting friction.
(3 x 5= 15 Marks)


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