10th Class Science Regular Paper 2017 Jammu Jkbose PDF Download
10th Class Science Regular Paper 2017 Jammu Jkbose PDF Download
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Section-A
(PHYSICS)
(Long Answer Type Questions)
- What are Spherical Mirrors? Explain, hoe a concave mirror is different fro, a convex mirror?
Or
Explain the laws of refraction of
Light.
(Short Answer Type Questions)
- What do you understand by Resistances in series?
Or
What is meant by Potential Difference?
Hoe is it measured?
- 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.
- 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)
- Define Nuclear Energy.
- A convex lens is of focal length 2 meter. What is the power of lens?
- What is the use of Rear view mirror in vehicles?
(Multiple Choice Questions)
- The stars appear to us slightly above than their actual position because of:
i)
Dispersion of light
ii)
Refraction of light
iii)
Absence of Atmosphere
iv)
Defraction of light
- Wave energy is a type of :
i)
Geothermal energy
ii)
Nuclear energy
iii)
Conventional source of energy
iv)
Non-conventional energy source
- The Ohm’s law can be expressed as:
i)
V/I=R
ii)
V=R/I
iii)
I=V/R
iv)
VR=I
- The arrangement of a cell, plug key, bulb and as ammeter is called:
i)
Electric Current
ii)
Electric Generator
iii)
Electric Circuit
iv)
Voltmeter
Section-B
(CHEMISTRY)
(Long Answer Type Questions)
- 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)
- Describe briefly any two types of chemical reactions with a example of each.
Or
What is Rancidity? How can it be
prevented?
- What are Acids? Give an idea of organic and mineral acids.
Or
What is the importance of pH in
everyday life?
- Explain the properties of ionic compounds.
Or
What are the various methods of refining
of metals?
(Very Short Answer Type Questions)
- Distinguish between a ‘Group’ and a ‘Period’ of modern periodic table.
- Define Rusting.
- What are Dobereiner’s Triads?
(Multiple Choice Questions)
- The combustion of unsaturated hydrocarbons give a:
i)
Clean flame
ii)
Yellow flame
iii)
White flame
iv)
Pink flame
- The ionic end of a soap molecule is:
i)
Hydrophilic
ii)
Hydrophobic
iii)
Oil dissolving
iv)
All of these
- Which of the following is a balanced chemical equation?
i)
Mg + O2 = MgO
ii)
Mg + O2 = 2MgO
iii)
Mg + 2O2 = 2MgO
iv)
2Mg + O2 = 2MgO
- Common salt (NaCI) is:
i)
Acidic
ii)
Basic
iii)
Slightly Alkaline
iv)
Neutral
Section-C
(LIFE SCIENCE)
(Long Answer Type Questions)
- 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)
- Explain the various movements in plants due to growth.
Or
Discuss the structure of Human
Brain.
- Describe briefly the human male reproduction system.
Or
What is vegetative propagation?
What are its advantages?
- Differentiate Acquired traits from the inherited traits.
Or
What are Analogous and Homologous
organs? Give examples.
(Very Short Answer Type Questions)
- Give any two ways to manage garbage at home.
- Define food Chain.
- What is ‘Narmada Bachao Andolan’?
(Multiple Choice Questions)
- Fodder is obtained from:
i)
Bacteria and Nematodes
ii)
Leaves of plants
iii)
Water harvesting tanks
iv)
None of these
- When there is insufficient oxygen (Air) the combustion produces:
i)
Ozone gas
ii)
Carbon dioxide
iii)
Carbon monoxide
iv)
Hydrogen gas
- Spirogyra can reproduce by:
i)
Fission
ii)
Vegetative propagation
iii)
Fragmentation
iv)
Regeneration
- The amount of DNA in a new generation is:
i)
Double than previous
ii)
Equal to the Previous
iii)
Half of the previous
iv)
Three times than previous
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