7th Class Science Sample Paper

done Science Olympiad Model Test Paper-12 Total Questions - 40    [Download]

• question_answer1)
  Which one of the following is a heterotroph?
  A)
  Peepal tree
  done clear
  B)
  Cactus
  done clear
  C)
  Lotus plant
  done clear
  D)
  Tiger
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer2)
  Which one of the following is the breathing organ in human?
  A)
  
  done clear
  B)
  
  done clear
  C)
   
  done clear
  D)
  
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer3)
  Which of the following is the boiling point of water on Celsius scale?
  A)
  90 degree
  done clear
  B)
  212 degree
  done clear
  C)
  100 degree
  done clear
  D)
  Both (a) and (b)
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer4)
  The process of taking food inside the body by an animal is known as:
  A)
  Ingestion
  done clear
  B)
  Digestion
  done clear
  C)
  Absorption
  done clear
  D)
  Assimilation
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer5)
  Amoeba intakes its food with the help of:
  A)
  Tentacles
  done clear
  B)
  Pseudopodia
  done clear
  C)
  Cilia
  done clear
  D)
  All of these
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer6)
  Complete digestion of food takes place in which one of the following parts of digestive system?
  A)
  Stomach
  done clear
  B)
  Liver
  done clear
  C)
  Small intestine
  done clear
  D)
  Large intestine
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer7)
  Which one of the following process involves combs having metal teeth?
  A)
  Sorting
  done clear
  B)
  Dyeing
  done clear
  C)
  Spinning
  done clear
  D)
  Combing
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer8)
  Which of the following is a strong acid?
  A)
  Formic Acid
  done clear
  B)
  Nitric Acid
  done clear
  C)
  Hydrochloric Acid
  done clear
  D)
  Both (b) and (c)
  done clear
  E)
  Both (a) and (b)
  done clear
  View Answer play_arrow

• question_answer9)

  Consider the following two statements:

  Statement A: Drying of wet clothes is a physical change,

  Statement B: Burning of crackers is a chemical change.

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

  A)
  Statement A only
  done clear
  B)
  Statement B only
  done clear
  C)
  Both statements are correct
  done clear
  D)
  Both statements are incorrect
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer10)
  The degree of rainfall at a place depends on what factors?
  A)
  Winds               
  done clear
  B)
  Closeness to the sea
  done clear
  C)
  Presence of mountains
  done clear
  D)
  All of these
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer11)
  Which one of the following instruments is used to find the direction of wind at a place?
  A)
  
  done clear
  B)
  
  done clear
  C)
  
  done clear
  D)
  
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer12)
  Which one of the following soils provides least aeration to the roots of the plants?
  A)
  Sandy soil
  done clear
  B)
  Clayey soil
  done clear
  C)
  Loamy soil
  done clear
  D)
  All of these
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer13)
  Which of the following is a type of blood vessels?
  A)
  Veins
  done clear
  B)
  Arteries
  done clear
  C)
  Capillaries
  done clear
  D)
  All of these
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer14)
  Convert 20 km/h into m/s.
  A)
  4.72 m/s
  done clear
  B)
  5.20 m/s
  done clear
  C)
  5.56 m/s
  done clear
  D)
  6.23 m/s
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer15)
  Which one of the following is a factor for depleting water table?
  A)
  Overpopulation
  done clear
  B)
  Industrial and agricultural activities
  done clear
  C)
  Deforestation
  done clear
  D)
  All of these
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer16)
  Which one of the following is also known as voice box?
  A)
  Nasal passage
  done clear
  B)
  Larynx
  done clear
  C)
  Trachea
  done clear
  D)
  Pharynx
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer17)
  The plants which trap insects to obtain nutrients are called:
  A)
  Parasitic plants
  done clear
  B)
  Saprophytic plants
  done clear
  C)
  Symbiotic plants
  done clear
  D)
  Insectivorous plants
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer18)
  Which one of the following is a correct order of food chain?
  A)
  Plants\[\to \]grasshopper\[\to \]frog\[\to \]snake\[\to \]eagle
  done clear
  B)
  Plants\[\to \]grasshopper\[\to \]snake\[\to \]frog\[\to \] eagle
  done clear
  C)
  Plants\[\to \]eagle\[\to \]snake\[\to \]frog\[\to \] grasshoppers
  done clear
  D)
  Plants\[\to \]grasshopper\[\to \]frog\[\to \]eagle\[\to \]snake
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer19)
  Which one of the following organs is called control centre of our body?
  A)
  
  done clear
  B)
  
  done clear
  C)
  
  done clear
  D)
  
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer20)
  Which of the following substance does not conduct electricity?
  A)
  Silver
  done clear
  B)
  Rubber
  done clear
  C)
  Iron
  done clear
  D)
  Copper
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer21)
  What is humidity?
  A)
  Amount of water vapour present in air
  done clear
  B)
  Amount of heat present in air
  done clear
  C)
  Amount of acid present in air
  done clear
  D)
  Amount of oxygen present in air
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer22)
  Which one of the following is an extremely cold climate?
  A)
  Polar climate
  done clear
  B)
  Temperate climate
  done clear
  C)
  Tropical climate
  done clear
  D)
  Desert climate
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer23)
  Which of the following layers of soil contains rich amount of humus?
  A)
  Topsoil
  done clear
  B)
  Subsoil
  done clear
  C)
  Bedrock
  done clear
  D)
  Substratum
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer24)
  Which one of the following factors is responsible for weathering of rocks?
  A)
  Wind
  done clear
  B)
  Water
  done clear
  C)
  Temperature
  done clear
  D)
  All of these
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer25)
  Which one of the following carries blood from heart to various parts of body?
  A)
  Veins
  done clear
  B)
  Arteries
  done clear
  C)
  Lungs
  done clear
  D)
  Gills
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer26)
  Which one of the following is the S.I. unit of current?
  A)
  Ampere
  done clear
  B)
  Ohm
  done clear
  C)
  Volt
  done clear
  D)
  Metre
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer27)
  Liver secrets bile in which one of the following parts of digestive system?
  A)
  Oesophagus
  done clear
  B)
  Stomach
  done clear
  C)
  Small intestine
  done clear
  D)
  Large intestine
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer28)
  The layer of vegetation in the forest which is just below the shrub layer is called:
  A)
  Canopy
  done clear
  B)
  Understory
  done clear
  C)
  Herb layer
  done clear
  D)
  Forest floor
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer29)
  Which one of the following plants has fibrous root?
  A)
  Wheat plant
  done clear
  B)
  Mango tree
  done clear
  C)
  Neem tree
  done clear
  D)
  Banyan tree
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer30)
  The normal temperature of human body is:
  A)
  \[32{}^\circ C\]
  done clear
  B)
  \[37{}^\circ C\]
  done clear
  C)
  \[42{}^\circ C\]
  done clear
  D)
  \[50{}^\circ C\]
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer31)
  Convert 10 degrees Celsius into Fahrenheit?
  A)
  \[30{}^\circ F\]
  done clear
  B)
  \[40{}^\circ F\]
  done clear
  C)
  \[50{}^\circ F\]
  done clear
  D)
  \[60{}^\circ F\]
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer32)
  Which of the following is a salt?
  A)
  \[HN{{O}_{3}}\]
  done clear
  B)
  \[HCl\]
  done clear
  C)
  \[NaCl\]
  done clear
  D)
  \[{{H}_{2}}S{{O}_{4}}\]
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer33)
  What is current?
  A)
  The flow of water           
  done clear
  B)
  The flow of electricity
  done clear
  C)
  The flow of heat
  done clear
  D)
  All of these
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer34)
  A storm with thunder and lightning is called:
  A)
  Hurricane
  done clear
  B)
  Typhoon
  done clear
  C)
  Thunderstorm
  done clear
  D)
  Cyclone
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer35)
  Which of the following types of soil is least fertile?
  A)
  Sandy soil
  done clear
  B)
  Clayey soil
  done clear
  C)
  Loamy soil
  done clear
  D)
  All of these
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer36)
  Which one of the following is a parasitic plant?
  A)
  Cuscuta plant
  done clear
  B)
  Cactus plant
  done clear
  C)
  Rose plant
  done clear
  D)
  Lotus plant
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer37)
  All the sepals taken together are called:
  A)
  Corolla
  done clear
  B)
  Calyx
  done clear
  C)
  Pistil     
  done clear
  D)
  Stamen
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer38)
  Identify the electrical component whose symbol has been given below.
  A)
  Bulb
  done clear
  B)
  Switch
  done clear
  C)
  Cell
  done clear
  D)
  Circuit
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer39)
  The organ system shown in the following figure is responsible for:
  A)
  Digestion of food
  done clear
  B)
  Circulation of blood
  done clear
  C)
  Filtration of blood
  done clear
  D)
  Inhalation of air
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow

• question_answer40)
  What is the correct chemical formula for magnesium oxide?
  A)
  \[M{{g}_{2}}O\]
  done clear
  B)
  \[M{{g}_{2}}{{O}_{3}}\]
  done clear
  C)
  \[MgO\]
  done clear
  D)
  \[M{{g}_{3}}{{O}_{2}}\]
  done clear
  E)
  None of these
  done clear
  View Answer play_arrow