7th Class Science Sample Paper

done Science Olympiad Model Test Paper-14 Total Questions - 40    [Download]

• question_answer1)
  Which one of the following is an autotroph?
  A)
  
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  B)
  
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  C)
  
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  D)
  
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  E)
  None of these
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• question_answer2)
  Which of the following is the S.I. unit of time?
  A)
  Kilometre
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  B)
  Second
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  C)
  Metre
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  D)
  Litre
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  E)
  None of these
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• question_answer3)
  The plants which trap insects to obtain nutrients are called:
  A)
  Parasitic plants
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  B)
  Saprophytic plants
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  C)
  Symbiotic plants
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  D)
  Insectivorous plants
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  E)
  None of these
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• question_answer4)
  Which one of the following carry food from mouth to stomach?
  A)
  Oesophagus
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  B)
  Pancreas
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  C)
  Gall bladder
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  D)
  Large intestine
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  E)
  None of these
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• question_answer5)
  Natural fibre is derived from ____­­___.
  A)
  Plants
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  B)
  Animals
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  C)
  Both (a) and (b)
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  D)
  Chemicals
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  E)
  None of these
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• question_answer6)
  Which one of the following is a correct order of food chain?
  A)
  Plants\[\to \]grasshopper\[\to \]frog\[\to \]snake\[\to \]eagle
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  B)
  Plants\[\to \]grasshopper\[\to \]snake\[\to \]frog\[\to \]eagle
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  C)
  Plants\[\to \]eagle\[\to \]snake\[\to \]frog\[\to \]grasshoppers
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  D)
  Plants\[\to \]grasshopper\[\to \]frog\[\to \]eagle\[\to \]snake
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  E)
  None of these
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• question_answer7)
  Thermometre is used to measure:
  A)
  Temperature
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  B)
  Pressure
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  C)
  Wind speed at a place                
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  D)
  Wind direction at a place
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  E)
  None of these
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• question_answer8)
  Excretory system includes which one of the following?
  A)
  
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  B)
  
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  C)
  
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  D)
  
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  E)
  None of these
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• question_answer9)
  Which one of the following metals is a poor conductor of heat?
  A)
  Iron
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  B)
  Aluminium
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  C)
  Copper
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  D)
  Lead
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  E)
  None of these
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• question_answer10)
  Which of the following substance does not conduct electricity?
  A)
  Silver
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  B)
  Rubber
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  C)
  Iron
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  D)
  Copper
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  E)
  None of these
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• question_answer11)
  Which of the following is a salt?
  A)
  \[HN{{O}_{3}}\]
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  B)
  \[HCl\]
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  C)
  \[NaCl\]
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  D)
  \[{{H}_{2}}S{{O}_{4}}\]
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  E)
  None of these
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• question_answer12)
  Which of the following contains acid?
  A)
  Orange
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  B)
  Lemon
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  C)
  Tomato
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  D)
  All of these
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  E)
  None of these
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• question_answer13)
  Which one of the following is a physical change?
  A)
  Ripening of fruits
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  B)
  Growing of trees
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  C)
  Breaking of glass
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  D)
  Burning of paper
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  E)
  None of these
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• question_answer14)
  When a ribbon of magnesium is burnt in the air, magnesium oxide is formed. This is an example of:
  A)
  Physical change
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  B)
  Chemical change
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  C)
  Temporary change
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  D)
  All of these
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  E)
  None of these
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• question_answer15)
  What is humidity?
  A)
  Amount of water vapour present in air
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  B)
  Amount of heat present in air
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  C)
  Amount of acid present in air
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  D)
  Amount of oxygen present in air
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  E)
  None of these
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• question_answer16)
  Which one of the following is an extremely cold climate?
  A)
  Polar climate
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  B)
  Temperate climate
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  C)
  Tropical climate
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  D)
  Desert climate
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  E)
  None of these
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• question_answer17)
  Which one of the following animals is well adapted to live in polar region?
  A)
  Polar bear
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  B)
  Anaconda
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  C)
  Crocodile
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  D)
  Lion
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  E)
  None of these
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• question_answer18)
  In Japan, cyclone is known as:
  A)
  Hurricane
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  B)
  Typhoon
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  C)
  Thunderstorm
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  D)
  Lightening
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  E)
  None of these
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• question_answer19)
  Which of the following layers of soil contains rich amount of humus?
  A)
  Topsoil
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  B)
  Subsoil
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  C)
  Bedrock
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  D)
  Substratum
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  E)
  None of these
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• question_answer20)
  Which one of the following factors is responsible for weathering of rocks?
  A)
  Wind
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  B)
  Water
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  C)
  Temperature
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  D)
  All of these
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  E)
  None of these
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• question_answer21)
  The average breathing rate in an adult human being at rest is:
  A)
  12 - 15 times per minute
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  B)
  15 - 18 times per minute
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  C)
  18 - 21 times per minute
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  D)
  21 - 24 times per minute
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  E)
  None of these
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• question_answer22)
  Which of the following carry blood from heart to various parts of body?
  A)
  Veins
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  B)
  Arteries
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  C)
  Lungs
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  D)
  Gills
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  E)
  None of these
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• question_answer23)
  The transportation of food from leaves to all other parts of a plants is known as:
  A)
  Transpiration     
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  B)
  Translocation
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  C)
  Evaporation
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  D)
  Osmosis
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  E)
  None of these
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• question_answer24)
  The transfer of pollen grains from the anther of a stamen to the stigma of a pistil is called:
  A)
  Fertilization
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  B)
  Transpiration
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  C)
  Pollination
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  D)
  Both (a) and (c)
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  E)
  None of these
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• question_answer25)
  A truck is moving with an average speed of 2.5 km/h. How much time it will take to cover a distance of 10 km?
  A)
  3 hours
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  B)
  2 hours
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  C)
  5 hours
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  D)
  4 hours
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  E)
  None of these
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• question_answer26)
  What is current?
  A)
  The flow of water           
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  B)
  The flow of electricity
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  C)
  The flow of heat
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  D)
  All of these
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  E)
  None of these
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• question_answer27)
  Which one of the following is the S.I. unit for current?
  A)
  Ampere
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  B)
  Ohm
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  C)
  Volt
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  D)
  Metre                                       
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  E)
  None of these
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• question_answer28)
  What has been shown in the given figure?
  A)
  Reflection of light
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  B)
  Refraction of light
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  C)
  Dispersion of light
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  D)
  All of these
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  E)
  None of these
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• question_answer29)
  The given picture is a symbol of:
  A)
  Electric cell
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  B)
  Electric bulb
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  C)
  Electric switch
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  D)
  Battery                                        
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  E)
  None of these                                  
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• question_answer30)
  The loud sound which is heard a little after a lightning flash is seen in the sky is called:
  A)
  Storm
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  B)
  Lightning
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  C)
  Thunder
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  D)
  All of these                                      
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  E)
  None of these
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• question_answer31)
  Which one of the following causes scarcity of water?                                             
  A)
  Overpopulation
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  B)
  Deforestation                                  
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  C)
  Scanty rainfall
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  D)
  All of these
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  E)
  None of these
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• question_answer32)
  Which one of the following is the organic impurities present in sewage?
  A)
  Metals
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  B)
  Nitrates
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  C)
  Vegetable wastes
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  D)
  Both (a) and (b)
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  E)
  None of these
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• question_answer33)
  If an object is placed at a distance of 4 cm from a plane mirror, how far would it be from its image?
  A)
  2 cm    
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  B)
  4 cm
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  C)
  6 cm    
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  D)
  8 cm
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  E)
  None of these
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• question_answer34)
  Liver secretes bile in which one of the following parts of digestive system?
  A)
  Oesophagus
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  B)
  Stomach
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  C)
  Small intestine
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  D)
  Large intestine
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  E)
  None of these
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• question_answer35)
  The layer of vegetation in the forest which is just below the shrub layer is called:
  A)
  Canopy
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  B)
  Understory
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  C)
  Herb layer
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  D)
  Forest floor
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  E)
  None of these
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• question_answer36)
  Which one of the following statements is correct about amoeba?
  A)
  Amoeba is a unicellular animal
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  B)
  Amoeba is a multicellular animal
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  C)
  Amoeba lives in desert
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  D)
  All of these
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  E)
  None of these
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• question_answer37)
  Which one of the following is correct about nylon fibres?
  A)
  Nylon fibres are very strong
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  B)
  Nylon is wrinkle resistant
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  C)
  Nylon does not absorb water
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  D)
  All of these
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  E)
  None of these
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• question_answer38)
  _______contains lactic acid.
  A)
  Lemon juice
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  B)
  Vinegar
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  C)
  Apple
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  D)
  Curd
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  E)
  None of these
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• question_answer39)
  Which one of the following factors affect the climate of a place?
  A)
  Temperature
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  B)
  Rainfall
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  C)
  Location with respect to the sea
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  D)
  All of these
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  E)
  None of these
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• question_answer40)
  Which one of the following plants has fibrous root?
  A)
  Wheat plant
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  B)
  Mango tree
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  C)
  Neem tree
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  D)
  Banyan tree
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  E)
  None of these
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