10th Class Science Sample Paper

done Science Sample Paper-2 Total Questions - 22    [Download]

• question_answer1)
  Which of the following is the pH value of pure water?
  A)
  0
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  B)
                     7
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  C)
  8                     
  done clear
  D)
  1
  done clear
  E)
  None of these
  done clear
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• question_answer2)

  Consider the following two statements:

  Statement A: Solenoid with a iron core has strongest magnetism

  Statement B: Solenoid with a cobalt core has strongest magnetism

  Which of the following is correct with respect to the above statements?

  A)
  Statement A is correct.
  done clear
  B)
  Statement B is correct.
  done clear
  C)
  Statement A and B are correct.
  done clear
  D)
  Neither statement A nor statement B is correct.
  done clear
  E)
  None of these
  done clear
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• question_answer3)
  If 1 A of current passes for S hours through a conductor, and conductor has a resistance of 200 Ohms, then the heat produced through the circuit is:
  A)
  1200 kJ
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  B)
  1000 kJ
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  C)
  800 kJ  
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  D)
  3600 kJ
  done clear
  E)
  None of these
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• question_answer4)
  What is the current through the circuit, if a resistance of 5 Ohms is connected in series with another resistance of 8 Ohms and potential difference of 26 volts is applied across the combination?
  A)
  2 A                  
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  B)
  3 A
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  C)
  4 A                  
  done clear
  D)
  5 A
  done clear
  E)
  None of these
  done clear
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• question_answer5)
  If a resistance of 5 Ohms is connected in series with another resistance of 8 Ohms and potential difference of 26 volts is applied across the combination, then the potential difference across 8 Ohms resistance is:
  A)
  12 volts
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  B)
  14 volts
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  C)
  16 volts
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  D)
  18 volts
  done clear
  E)
  None of these
  done clear
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• question_answer6)
  Ovule becomes ____ after fertilization.
  A)
  Seed                
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  B)
  Fruit
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  C)
  Leave   
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  D)
  Stem
  done clear
  E)
  None of these
  done clear
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• question_answer7)

  Consider the following two statements:

  Statement A: Xylem carries material in down wards direction in plants.

  Statement B: Phloem carries material in both upward and downward directions in plants.

  Which of the following is correct with respect to the above statements?

  A)
  Statement A is correct.
  done clear
  B)
  Statement B is correct.
  done clear
  C)
  Statement A and B are correct.
  done clear
  D)
  Neither statement A nor statement B is correct.
  done clear
  E)
  None of these
  done clear
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• question_answer8)
  Which of the following is the thinking part of brain?
  A)
  Cerebrum          
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  B)
  Pons
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  C)
  Medulla
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  D)
  Cerebellum
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  E)
  None of these
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• question_answer9)
  Match the following:

  1.	-OH	[a]	Carboxylic acid group
  2.	-CHO	[b]	Alcohol group
  3.	-CO	[c]	Aldehyde group
  4.	-COOH	[d]	Ketone group

  A)
  1-B,                  2-C,      3-D,      4-A
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  B)
  1-B,                  2-A,      3-D,      4-C
  done clear
  C)
  1-D,                  2-C,      3-A,      4-B
  done clear
  D)
  1-D,                  2-B,      3-A,      4-C
  done clear
  E)
  None of these
  done clear
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• question_answer10)
  All the voluntary actions of a body are coordinated by:
  A)
  Cerebrum          
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  B)
  Cranium
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  C)
  Optical lobs       
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  D)
  Effective lobs
  done clear
  E)
  None of these
  done clear
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• question_answer11)
  What is electromagnetic induction?
  A)
  Production of induced current in coil due to relative motion between a magnet and the coil
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  B)
  Production of magnetic field when current is passed through a coil
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  C)
  Movement of conductor when placed in electric field
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  D)
  The process of charging a body
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  E)
  None of these
  done clear
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• question_answer12)
  Which of the following is true about an element that belongs to the group 1 of the periodic table?
  A)
  It is a metal
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  B)
  It is a non-metal
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  C)
  It is a noble gas
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  D)
  Both [b] and [c]
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  E)
  None of these
  done clear
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• question_answer13)
  What is the IUPAC name of the hydrocarbon given below?
  A)
  3, 4 - dimethyl 1 - Hexanol         
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  B)
  3, 4 -dimethyl 1 - Hexanal
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  C)
  3, 4 - dimethyl 1 - Hexane
  done clear
  D)
  3, 4 - dimethyl 1 - Hexanoic acid
  done clear
  E)
  None of these
  done clear
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• question_answer14)
  Which of the following is an example of decomposition reaction?
  A)
  \[CuS{{O}_{4}}+Fe\to FeS{{O}_{4}}+Cu\]
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  B)
  \[2KN{{O}_{3}}\to 2KN{{O}_{2}}+{{O}_{2}}\]
  done clear
  C)
  \[{{C}_{2}}{{H}_{4}}+{{H}_{2}}\to {{C}_{2}}{{H}_{6}}\]
  done clear
  D)
  \[BaC{{l}_{2}}+{{H}_{2}}S{{O}_{4}}\to BaS{{O}_{4}}+{{O}_{2}}+2HCl\]
  done clear
  E)
  None of these
  done clear
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• question_answer15)

  In the following food chain, if 100J of energy is available at the producer level, then the energy transferred to man is:

  Plant\[\to \]goat\[\to \]man

  A)
  0.1 J                
  done clear
  B)
  10 J
  done clear
  C)
  1 J       
  done clear
  D)
  100 J
  done clear
  E)
  None of these
  done clear
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• question_answer16)

  Which one of the following is the oxidizing agent in given chemical reaction?

  \[3Mn{{O}_{2}}+4Al\to 3Mn+2Al{{O}_{3}}\]

  A)
  (a)\[{{O}_{2}}\]           
  done clear
  B)
         \[Al\]
  done clear
  C)
  Mn                   
  done clear
  D)
  \[Mn{{O}_{2}}\]
  done clear
  E)
  None of these
  done clear
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• question_answer17)
  The magnetic field lines due to a straight wire carrying a current are
  A)
  straight 
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  B)
  elliptical
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  C)
  circular 
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  D)
  parabolic
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  E)
  None of these
  done clear
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• question_answer18)
  Splitting of white light into different colours on passing through a glass prism is known as:
  A)
  Reflection of light
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  B)
  Refraction of light
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  C)
  Diffraction of light
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  D)
  Dispersion of light
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  E)
  None of these
  done clear
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• question_answer19)
  Name the hydrocarbon whose structural formula has been given below.
  A)
  2- methylbutane
  done clear
  B)
  1-hexyne
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  C)
  Methyl-acetylene
  done clear
  D)
  2, 2-dimethylhexyne
  done clear
  E)
  None of these
  done clear
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• question_answer20)
  What is the general molecular formula of aldehydes?
  A)
  \[{{C}_{n}}{{H}_{2n+1}}O\]  
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  B)
  \[{{C}_{n}}{{H}_{2n+2}}O\]
  done clear
  C)
  \[{{C}_{n}}{{H}_{2n}}O\]      
  done clear
  D)
  \[{{C}_{n}}{{H}_{n}}O\]
  done clear
  E)
  None of these
  done clear
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• question_answer21)
  How many elements does the fourth period contain in the modern periodic table?
  A)
  8                     
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  B)
  18
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  C)
  2                     
  done clear
  D)
  32
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  E)
  None of these
  done clear
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• question_answer22)
  Which one of the following is a renewable source of energy?
  A)
  Wood   
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  B)
  Natural gas   
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  C)
  Coal                 
  done clear
  D)
  Petroleum
  done clear
  E)
  None of these
  done clear
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