8th Class Science Sample Paper

done Science Sample Paper-1 Total Questions - 22    [Download]

• question_answer1)
  Which one of the following is a secondary sexual characteristics in males?
  A)
  Growth of hair on face
  done clear
  B)
  Growth of Adam's apple 
  done clear
  C)
  Development of breast
  done clear
  D)
  Both [a] and [b]
  done clear
  E)
   None of these   
  done clear
  View Answer play_arrow

• question_answer2)
  Which one of the following is an algae?     
  A)
  Rhizobium         
  done clear
  B)
  Paramecium      
  done clear
  C)
  Amoeba           
  done clear
  D)
         Spirogyra          
  done clear
  E)
   None of these   
  done clear
  View Answer play_arrow

• question_answer3)
  Which one of the following is correct?       
  A)
  Metal + base \[\to \] salt + nitrogen         
  done clear
  B)
  Metal + base \[\to \] salt + hydrogen       
  done clear
  C)
  Metal + base\[\to \] salt + carbon dioxide 
  done clear
  D)
  Metal + base \[\to \] acid + hydrogen      
  done clear
  E)
   None of these   
  done clear
  View Answer play_arrow

• question_answer4)
  Which of the following types of force works when you run the comb through hair a few times and hold the comb over small pieces of paper?          
  A)
  Magnetic force  
  done clear
  B)
  Gravitational force
  done clear
  C)
  Electrostatic force 
  done clear
  D)
  Frictional force
  done clear
  E)
   None of these   
  done clear
  View Answer play_arrow

• question_answer5)

  Consider the following two statements:-

  Statement A: Mode of transmission of the disease measles is air.

  Statement B: Mode of transmission of the disease tuberculosis is air.

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

  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 state A nor statement B is correct.
  done clear
  E)
   None of these
  done clear
  View Answer play_arrow

• question_answer6)
  Which one of the following is a thermoplastic?
  A)
  Polyvinyl chloride    
  done clear
  B)
  Melamine
  done clear
  C)
  Backlite            
  done clear
  D)
  All of these
  done clear
  E)
   None of these
  done clear
  View Answer play_arrow

• question_answer7)
  Define calorific value.
  A)
  It is the amount of heat which is given out by a unit mass of a fuel on complete combustion in air
  done clear
  B)
  It is the amount of heat which is given out by a fuel on complete combustion in biogas
  done clear
  C)
  It is the amount of heat which is given out by a fuel in the combustion in methane
  done clear
  D)
  It is the amount of heat which is given out by a unit mass of a fuel on complete combustion in natural gas
  done clear
  E)
   None of these
  done clear
  View Answer play_arrow

• question_answer8)
  Paramecium is a:
  A)
  Bacteria         
  done clear
  B)
  Virus
  done clear
  C)
  Protozoa     
  done clear
  D)
  Algae
  done clear
  E)
   None of these
  done clear
  View Answer play_arrow

• question_answer9)
  The angle between the reflected ray and normal is called:
  A)
  Angle of incidence          
  done clear
  B)
  Angle of reflection
  done clear
  C)
  Angle of refraction 
  done clear
  D)
  All of these
  done clear
  E)
   None of these
  done clear
  View Answer play_arrow

• question_answer10)
  Find the pressure applied by the force of 1200 N on an object of area\[5{{m}^{2}}\]?
  A)
  200 Pascals       
  done clear
  B)
  240 Pascals
  done clear
  C)
  260 Pascals       
  done clear
  D)
  280 Pascals
  done clear
  E)
   None of these
  done clear
  View Answer play_arrow

• question_answer11)

  Consider the following two statements:-

  Statement A: The weak zones of earth's crust are called seismic zones.

  Statement B: The crust of earth is divided into three piece.

  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 state A nor statement B is correct.
  done clear
  E)
   None of these
  done clear
  View Answer play_arrow

• question_answer12)
  What is the function of estrogen?
  A)
  Estrogen produces female secondary sexual characteristics in girls at puberty
  done clear
  B)
  Estrogen causes the growth and development of female sex organs at puberty
  done clear
  C)
  Estrogen brings about the monthly preparation of uterus for pregnancy
  done clear
  D)
  All of these
  done clear
  E)
   None of these
  done clear
  View Answer play_arrow

• question_answer13)
  A pendulum completes 16 oscillations in 0.5 seconds. Calculate frequency of the pendulum?
  A)
  8 hertz              
  done clear
  B)
  16 hertz   
  done clear
  C)
  32 hertz            
  done clear
  D)
  64 hertz
  done clear
  E)
   None of these
  done clear
  View Answer play_arrow

• question_answer14)
  Which one of the following micro-organisms causes dengue?
  A)
  Fungi   
  done clear
  B)
  Algae 
  done clear
  C)
  Bacteria            
  done clear
  D)
  Virus
  done clear
  E)
   None of these
  done clear
  View Answer play_arrow

• question_answer15)
  Which one of the following is a combustible substance?
  A)
  Glass   
  done clear
  B)
  Water
  done clear
  C)
  Wood               
  done clear
  D)
  Cement
  done clear
  E)
   None of these
  done clear
  View Answer play_arrow

• question_answer16)
  Which one of the following fuels has the lowest calorific value?
  A)
  CNG                
  done clear
  B)
  Coal    
  done clear
  C)
  LPG                 
  done clear
  D)
  Petrol
  done clear
  E)
   None of these
  done clear
  View Answer play_arrow

• question_answer17)
  The cell involved in sexual reproduction are called:
  A)
  Foetus              
  done clear
  B)
  Embryo    
  done clear
  C)
  Gametes           
  done clear
  D)
  Zygote
  done clear
  E)
   None of these
  done clear
  View Answer play_arrow

• question_answer18)
  The process of removing weeds from the crop field is known as:
  A)
  Ploughing       
  done clear
  B)
  Irrigation   
  done clear
  C)
  Weeding           
  done clear
  D)
  Threshing
  done clear
  E)
   None of these
  done clear
  View Answer play_arrow

• question_answer19)
  Which one of the following organs produces male sex cells?
  A)
  Ureter               
  done clear
  B)
  Bladder     
  done clear
  C)
  Ovaries             
  done clear
  D)
  Testes
  done clear
  E)
   None of these
  done clear
  View Answer play_arrow

• question_answer20)
  Which one of the following options correctly represents the life cycle of a mosquito?
  A)
  Egg \[\to \] larva \[\to \] adult \[\to \] pupa
  done clear
  B)
  Egg \[\to \] larva \[\to \] pupa\[\to \] adult
  done clear
  C)
  Egg \[\to \] pupa \[\to \] larva \[\to \] adult
  done clear
  D)
  Egg \[\to \] adult \[\to \] larva \[\to \] pupa
  done clear
  E)
   None of these
  done clear
  View Answer play_arrow

• question_answer21)
  Pinna is a part of:
  A)
  inner ear           
  done clear
  B)
  outer ear
  done clear
  C)
  middle ear         
  done clear
  D)
  All of these
  done clear
  E)
   None of these
  done clear
  View Answer play_arrow

• question_answer22)
  Which one of the following is the female sex hormones?
  A)
  Thyroxine         
  done clear
  B)
  Adrenaline
  done clear
  C)
  Insulin              
  done clear
  D)
  Estrogen
  done clear
  E)
   None of these
  done clear
  View Answer play_arrow