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  #2  
9th August 2014, 08:50 AM
Super Moderator
 
Join Date: Apr 2013
Re: Karnataka State Board SSLC previous year question papers of Maths and Science

As you want to get the Karnataka State Board SSLC previous year question papers of Maths and Science so here it is for you:

Some content of the file has been given here:

1. Due to heavy traffic near the school the department of traffic police wants to install
automatic traffic lights. This can be done by using the Principle of 1 x 10 = 10
a) Raman effect b) Radiography c)Holography d) Photoelectric effect
2. Water is to be sterilized for drinking purpose without using any chemicals this can be done by using
a) u v rays b) visible light c) short wave length radio waves d) long wave length Radio waves
3. In a heat engine the linear motion of the Piston is converted into rotation by the component
a) spark plug b) Carburettor c) Crank shaft d) Fuel injection pump
4. An engineer wants to design an engine to convert 800KJ of heat into 840KJ of useful mechanical work.
The correct statement related to the above engine is that it
a) is less efficient b) is more efficient c) cannot be designed d) is 100% efficient
5. An astrophysics Scientist observes that galaxy 'A' is more red shifted than galaxy 'B'. The conclusion
that can be drawn from this is that
a) the velocity of 'A' is more than 'B' b) the velocity of 'B' is more than 'A'
c) both the galaxies have equal velocity d) both the galaxies are at rest.
6. In an nuclear reactor, the number of cadmium rods used are less than the required number. Then one of
the possibilities is
a) the reactor may explode b) the chain reaction stops
c) number of fissions decrease d) the number of neutrons decrease
7. If emission test is required for an L.P.G run auto rickshaw, the availability of oxygen in moles for
combustion of one mole of butane is
a) less than 5 b) between 8.5 and 9.5
c) between 9.5 and 10.5 d) more than 10.5
8. In a soap industry the chemist forgets to add sodium chloride during the manufacture of soap, the
possible effect is
a) soap cannot be easily separated b) chemical composition of soap changes
c) soap will not get required colour d) the solubility of soap increases
9. Borosilicate glass is used to make school laboratory equipments because it
a) is highly transparent b) with stands sudden changes in the temperature and transparent
c) has high refractive index d) absorbs radiation
10. Using sodium hydroxide as one of the raw materials it is possible to prepare
a) soaps and detergents b) cement and ceramics
c) glass and plastics d) cement and glass








For more detailed information I am uploading PDF files which are free to download:
  #3  
20th May 2015, 05:26 PM
Unregistered
Guest
 
Re: Karnataka State Board SSLC previous year question papers of Maths and Science

Hi I want the question paper of Maths and Science of Karnataka State Board SSLC so can you please provide me?
  #4  
21st May 2015, 09:43 AM
Super Moderator
 
Join Date: Apr 2013
Re: Karnataka State Board SSLC previous year question papers of Maths and Science

Ok, as you want the question paper of Maths and Science of Karnataka State Board SSLC so here I am providing you.

Karnataka Board SSLC question paper

Science-

1. The method of concentration of copper pyrites is
(A) Froth flotation (B) Electrolysis
(C) Washing with water (D) Fractional distillation.
Ans :

2. Petrol engine is more advantageous than steam engine because
(A) efficiency of the petrol engine is less
(B) petrol engine cannot be started instantaneously
(C) petrol engine can be manufactured in various sizes
(D) fuel can be stored at high pressure.
Ans :
3. During the extraction of amorphous silicon the reducing agent used is
(A) Magnesium (B) Quartz
(C) Coke (D) Sand.
Ans :
4. If a diode is connected to an A.C. source then the diode
(A) gets forward biased
(B) gets reverse biased
(C) gets forward and reverse biased periodically
(D) does not get biased.
Ans :
5. A robot of mass M kg lands on the planet X whose acceleration due to gravity is twice
that of the earth. Mass of the robot on the planet X is
(A) 2 M kg (B)
4
M kg
(C) 2
Mkg (D) M kg.
Ans :

6. Which of the following reactions cannot take place ?
(A) Cu + 4 HNO3 → Cu ( NO 3 ) 2 + 2 NO2 ↑ + 2 H 2O
(B) Fe + CuSO4 → FeSO4 + Cu ↓
(C) Cu + FeSO4 → CuSO4 + Fe ↓
(D) Fe + 2 AgNO 3 → Fe ( NO3 ) 2 + 2 Ag ↓
Ans :
7. A student decides that a nylon rope can be cut by using the candle flame. The reason
for this decision is
(A) nylon is a plastic material
(B) nylon is a polymer
(C) nylon is a thermosetting plastic
(D) nylon is a thermoplastic.
Ans :
8. The corporation of a town may take which step to save energy with respect to the
street lights ?
(A) Using sodium vapour lamp
(B) Using lamps assembled with compact fluorescent tubes
(C) Using incandescent lamps
(D) Using common tube light.
Ans :

9. A student who wants to demonstrate the presence of hardness in water, takes hard
water and soft water in two separate test tubes and adds little common cleaning
substance. He observes that in both the test tubes lather is formed without scum. The
cleaning substance that might have been added is
(A) Sodium n-dodecyl benzene sulphonate
(B) Sodium palmitate
(C) Sodium stearate
(D) Potassium stearate.
Ans :
10. An ambulance is moving fast with its siren switched ‘ON’. The person who does not
experience the Doppler effect is
(A) the listener at rest, and the ambulance is approaching him
(B) the driver of the ambulance
(C) the listener at rest and the ambulance is moving away from him
(D) the listener who is running towards the ambulance.
Ans :

Fill in the blanks : 3 × 1 = 3
11. The device that converts mechanical energy into electrical energy is ................ .
12. The sound wave of frequency more than 20,000 Hz is called ............................. .
13. Structural formula of acetylene is .............................. .

Karnataka Board SSLC Maths question paper








Half question paper is in pdf file


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