7th Class Science Sample Paper

done Science Sample Paper-3 Total Questions - 22    [Download]

• question_answer1)
  Which one of the following can not make their own food?
  A)
  Mango plant      
  done clear
  B)
  Coconut plant
  done clear
  C)
  Cactus plant    
  done clear
  D)
         Cuscuta plant
  done clear
  E)
  None of these
  done clear
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• question_answer2)
  The plants from which a parasite plant obtains its food is known as:
  A)
  Parasite            
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  B)
  Host 
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  C)
  Saprophyte       
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  D)
  All of these
  done clear
  E)
  None of these
  done clear
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• question_answer3)
  Which one of the following organisms can digest cellulose carbohydrates?
  A)
  Man     
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  B)
  Lion
  done clear
  C)
  Tiger                
  done clear
  D)
  Cow
  done clear
  E)
  None of these
  done clear
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• question_answer4)
  Which of the following has high electrical resistance?
  A)
  Wood  
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  B)
  Rubber      
  done clear
  C)
  Plastic              
  done clear
  D)
  All of these
  done clear
  E)
  None of these
  done clear
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• question_answer5)

  Which one of the following statements is true?

  Statement 1: Aerobic respiration takes place in the presence of oxygen

  Statement 2: Anaerobic respiration takes place in the absence of oxygen

  A)
  Statement 1
  done clear
  B)
  Statement 2
  done clear
  C)
  Both statements are correct
  done clear
  D)
  Both statements are incorrect
  done clear
  E)
  None of these
  done clear
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• question_answer6)
  Which one of the following factors is responsible for depleting the water table?
  A)
  Overpopulation
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  B)
         Industrial and agricultural activities
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  C)
  Deforestation                  
  done clear
  D)
  All of these
  done clear
  E)
  None of these
  done clear
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• question_answer7)
  Identify the conductor of electricity from the following.
  A)
  Wood   
  done clear
  B)
  Plastic       
  done clear
  C)
  Iron     
  done clear
  D)
  Rubber
  done clear
  E)
  None of these
  done clear
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• question_answer8)

  Consider the following two statements:

  Statement A: Acids are formed by dissolving oxides of non metals such as carbon, sulphur and nitrogen in water.

  Statement B: Oxides of non metals are called acidic because when dissolved in water they form acids.

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

  A)
  Statement A is False and Statement B is True.
  done clear
  B)
  Both, Statement A and Statement B are True.
  done clear
  C)
  Both, Statement A and Statement B are False.
  done clear
  D)
  Statement B is False and Statement A is True.
  done clear
  E)
  None of these
  done clear
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• question_answer9)
  Which one of the following factors affects climate of a place?
  A)
  Temperature      
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  B)
  Rainfall      
  done clear
  C)
  Altitude
  done clear
  D)
  All of these
  done clear
  E)
  None of these
  done clear
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• question_answer10)
  Which of the following statements are true about heart?
  A)
  Heart lies between the lungs in the chest cavity
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  B)
  Heart pumps blood throughout our body
  done clear
  C)
  The upper two chambers of heart are called ventricles
  done clear
  D)
  Both a and b
  done clear
  E)
  Both a and c
  done clear
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• question_answer11)
  Bases that are soluble in water are called ________.
  A)
  Alkalis       
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  B)
  Salt
  done clear
  C)
  Acid                 
  done clear
  D)
  Both a and c
  done clear
  E)
  None of these
  done clear
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• question_answer12)
  What is humidity?
  A)
  Humidity is the amount of water vapour present in the air
  done clear
  B)
  Humidity is the amount of heat present in the air
  done clear
  C)
  Humidity is the amount of acid present in the air
  done clear
  D)
  All of these
  done clear
  E)
  None of these
  done clear
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• question_answer13)

  Which one of the following statements is correct?

  Statement 1: Decaying of organic substances is a chemical change

  Statement 2: Decaying of organic substances is a physical change

  A)
  Statement 1
  done clear
  B)
  Statement 2
  done clear
  C)
  Both statements are correct    
  done clear
  D)
  Both statements are incorrect
  done clear
  E)
  None of these
  done clear
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• question_answer14)
  Which of these is not a traditional method of irrigation?
  A)
  Rahat               
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  B)
  Dhekli       
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  C)
  Moat    
  done clear
  D)
  Drip irrigation
  done clear
  E)
  None of these
  done clear
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• question_answer15)
  The fluid part of the blood is called ____.
  A)
  RBCs   
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  B)
  WBCs       
  done clear
  C)
  Plasma             
  done clear
  D)
  Haemoglobin
  done clear
  E)
  None of these
  done clear
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• question_answer16)
  Vegetable fibres are made up of
  A)
  nylon  
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  B)
  protein       
  done clear
  C)
  cellulose            
  done clear
  D)
  rayon
  done clear
  E)
  None of these
  done clear
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• question_answer17)
  Identify the decomposition reaction.
  A)
  \[2{{H}_{2}}O\to 2{{H}_{2}}+{{O}_{2}}\]
  done clear
  B)
  \[2{{H}_{2}}{{O}_{2}}\to 2{{H}_{2}}O+{{O}_{2}}\]
  done clear
  C)
  \[Ca\,C{{O}_{3}}\to CaO+C{{O}_{2}}\]
  done clear
  D)
  All of these
  done clear
  E)
  None of these
  done clear
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• question_answer18)
  Which among the following is the best conductor of heat?
  A)
  Air       
  done clear
  B)
  Wood       
  done clear
  C)
  Water               
  done clear
  D)
  Aluminium
  done clear
  E)
  None of these
  done clear
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• question_answer19)
  Grass in rich in cellulose, a special kind of carbohydrate which can only be digested by:
  A)
  lion      
  done clear
  B)
  monkey     
  done clear
  C)
  snake  
  done clear
  D)
  goat
  done clear
  E)
  None of these
  done clear
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• question_answer20)
  Veins allow blood to flow only
  A)
  towards lungs
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  B)
  away from the heart
  done clear
  C)
  towards the heart
  done clear
  D)
  away from the lungs
  done clear
  E)
  None of these
  done clear
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• question_answer21)
  Male reproductive part of a plant is
  A)
  pistil     
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  B)
  fusion       
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  C)
  stamen             
  done clear
  D)
  pores
  done clear
  E)
  None of these
  done clear
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• question_answer22)
  Bryophyllum can reproduce by its
  A)
  Stem    
  done clear
  B)
  Leaves       
  done clear
  C)
  Roots               
  done clear
  D)
  Flower
  done clear
  E)
  None of these
  done clear
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