3rd Class Science Sample Paper

done Science Olympiad Model Test Paper-4 [Download Complete Paper]

• question_answer1) Which one of the following birds prefer to make hole in a wall or a tree rather than making a nest?

  A) done clear

  B) done clear

  C) done clear

  D) done clear

  E) None of these done clear

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• question_answer2) Ayush has drunk sugarcane juice. Which part of the sugarcane plant produces juice?

  A) Root done clear

  B) Leaf done clear

  C) Stem done clear

  D) Flower done clear

  E) None of these done clear

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• question_answer3) Exchange of gases in plants take place through which one of the following parts?

  A) Flower done clear

  B) Petals done clear

  C) Sepals done clear

  D) Stomata done clear

  E) None of these done clear

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• question_answer4)

  Direction: Look at the following table carefully and answer the questions.
  Group 1	Group 2	Group 3	Group 4
  Pine	Lotus	Grass	Tulsi
  Fir	Water lily	Paddy	Mint
  Oak	Water Hyacinth	Balsam	Ginger
  Deodar	Hydrilla	Sunflower	Garlic

  Which one of the following groups contains purely hilly plants?

  A) Group 1 done clear

  B) Group 2 done clear

  C) Group 3 done clear

  D) Group 4 done clear

  E) None of these done clear

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• question_answer5)

  Direction: Look at the following table carefully and answer the questions.
  Group 1	Group 2	Group 3	Group 4
  Pine	Lotus	Grass	Tulsi
  Fir	Water lily	Paddy	Mint
  Oak	Water Hyacinth	Balsam	Ginger
  Deodar	Hydrilla	Sunflower	Garlic

  Which one of the following groups contain herbs as well as oil yielding plants?

  A) Group 1 done clear

  B) Group 2 done clear

  C) Group 3 done clear

  D) Group 4 done clear

  E) None of these done clear

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• question_answer6)

  Direction: Look at the following table carefully and answer the questions.
  Group 1	Group 2	Group 3	Group 4
  Pine	Lotus	Grass	Tulsi
  Fir	Water lily	Paddy	Mint
  Oak	Water Hyacinth	Balsam	Ginger
  Deodar	Hydrilla	Sunflower	Garlic

  Herbal medicines can be prepared from which one of the following groups of plants?

  A) Group 1 done clear

  B) Group 2 done clear

  C) Group 3 done clear

  D) Group 4 done clear

  E) None of these done clear

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• question_answer7)

  Direction: Look at the following table carefully and answer the questions.
  Group 1	Group 2	Group 3	Group 4
  Pine	Lotus	Grass	Tulsi
  Fir	Water lily	Paddy	Mint
  Oak	Water Hyacinth	Balsam	Ginger
  Deodar	Hydrilla	Sunflower	Garlic

  Which one of the following groups contains plant that bend towards sunlight?

  A) Group 1 done clear

  B) Group 2 done clear

  C) Group 3 done clear

  D) Group 4 done clear

  E) None of these done clear

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• question_answer8)

  Direction: Look at the following table carefully and answer the questions.
  Group 1	Group 2	Group 3	Group 4
  Pine	Lotus	Grass	Tulsi
  Fir	Water lily	Paddy	Mint
  Oak	Water Hyacinth	Balsam	Ginger
  Deodar	Hydrilla	Sunflower	Garlic

  Which one of the following groups differ from other groups on the basis of habitat?

  A) Group 1 done clear

  B) Group 2 done clear

  C) Group 3 done clear

  D) Group 4 done clear

  E) None of these done clear

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• question_answer9)

  Direction: Look at the following table carefully and answer the questions.
  Group 1	Group 2	Group 3	Group 4
  Pine	Lotus	Grass	Tulsi
  Fir	Water lily	Paddy	Mint
  Oak	Water Hyacinth	Balsam	Ginger
  Deodar	Hydrilla	Sunflower	Garlic

  Which one of the following groups has tall and big plants?

  A) Group 1 done clear

  B) Group 2 done clear

  C) Group 3 done clear

  D) Group 4 done clear

  E) None of these done clear

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• question_answer10) Name the part of human body shown in the figure below.

  A) Rib cage done clear

  B) Skull done clear

  C) Back bone done clear

  D) Spinal cord done clear

  E) None of these done clear

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• question_answer11) Name the system that has been shown below. Mouth Food pipe Stomach Small intestine Large intestine

  A) Digestive system done clear

  B) Respiratory system done clear

  C) Sensory system done clear

  D) Nervous system done clear

  E) None of these done clear

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• question_answer12) Which of the following layers protects us from ultra-violet rays of the sun?

  A) Troposphere done clear

  B) Ozone layer done clear

  C) Mesosphere done clear

  D) Thermosphere done clear

  E) None of these done clear

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• question_answer13) Anand's mother cooks food by traditional chullah using wood. Whereas Ayush's mother prepares food from biogas. Whom do you think should be treated as friend of our environment?

  A) Anand's mother done clear

  B) Ayush's mother done clear

  C) Both of them done clear

  D) Biogas cannot be used for cooking done clear

  E) None of these done clear

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• question_answer14) Weathering of rocks results in the formation of which one of the following natural resources?

  A) Petroleum done clear

  B) Coal done clear

  C) Soil done clear

  D) Microorganism done clear

  E) None of these done clear

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• question_answer15) Name the process shown in the given figure.

  A) Melting done clear

  B) Freezing done clear

  C) Evaporation done clear

  D) Condensation done clear

  E) None of these done clear

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• question_answer16)

  Consider the following statements:

  Statement 1: Land and water absorb heat equally from the sun.

  Statement 2: Land and water absorb heat differently from the sun.

  Which one of the following is correct about the above statements?

  A) Statement 1 is true and 2 is false done clear

  B) Statement 1 is false and 2 is true done clear

  C) Both statements are true done clear

  D) Both statements are false done clear

  E) None of these done clear

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• question_answer17) Which gas constitutes 21 % of air?

  A) Oxygen done clear

  B) Nitrogen done clear

  C) Carbon dioxide done clear

  D) Hydrogen done clear

  E) None of these done clear

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• question_answer18) If someone in your family consumes insecticides instead of medicine unknowingly, what should you do?

  A) Cry for help done clear

  B) Leave the patient alone done clear

  C) Tell the patient to sleep done clear

  D) Give lots of water to the patient to drink till he/she vomits done clear

  E) None of these done clear

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• question_answer19) "Hold the nose between the thumb and the finger for 10 - 12 minutes" is a first aid given to the person:

  A) Who is burnt done clear

  B) Who has drowned done clear

  C) Who is bleeding from head done clear

  D) Who is bleeding form nose done clear

  E) None of these done clear

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• question_answer20) Forest give ______ to the atmosphere.

  A) Carbon dioxide done clear

  B) Light done clear

  C) Oxygen done clear

  D) All of these done clear

  E) None of these done clear

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• question_answer21) Which one among the following is called igloo?

  A) C done clear

  B) B done clear

  C) A done clear

  D) Both (a) and (c) done clear

  E) None of these done clear

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• question_answer22) Experiment: Take soil in a bottle and fill water in it. Shake it well and place bottle on a table. Observe the bottle after 15 to 20 minutes. What do you observe in the arrangement of layers inside the bottle according to the picture given below?

  A) A - Fine sand, B - Clay, C - Pebbles, D - Water done clear

  B) A - Water, B - Pebbles, C - Clay, D - Fine sand done clear

  C) A - Fine sand, B - Pebbles, C - Clay, D - Water done clear

  D) A - Pebbles, B - Fine sand, C - Clay, D - Water done clear

  E) None of these done clear

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• question_answer23) The heart and lungs are in your___.

  A) Brain done clear

  B) Chest done clear

  C) Hip done clear

  D) All of these done clear

  E) None of these done clear

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• question_answer24) Every planet in the solar system revolve around the sun. What is called the path on which they revolve?

  A) Orbit done clear

  B) Cell done clear

  C) Way done clear

  D) All of these done clear

  E) None of these done clear

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• question_answer25) Which one of the following changes takes place with burning of wood into ash?

  A) Physical change done clear

  B) Chemical change done clear

  C) No change done clear

  D) All of these done clear

  E) None of these done clear

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• question_answer26) Which one of the following methods is used to separate stone from sand?

  A) Sieving done clear

  B) Decantation done clear

  C) Sedimentation done clear

  D) Magnetic separation done clear

  E) None of these done clear

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• question_answer27) Which one of the following is a cold blooded animal?

  A) Elephant done clear

  B) Lion done clear

  C) Reptile done clear

  D) Both (b) and (c) done clear

  E) None of these done clear

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• question_answer28) Which of these eats grass?

  A) Cow done clear

  B) Deer done clear

  C) Dog done clear

  D) Both (a) and (b) done clear

  E) None of these done clear

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• question_answer29) Which one of the following birds can see at night?

  A) Parrot done clear

  B) Kite done clear

  C) Owl done clear

  D) Egret done clear

  E) None of these done clear

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• question_answer30) A motor car needs petrol in order to move. It produces waste gases. Which characteristics of living organism are similar to those of a motor car?

  A) Nutrition and respiration done clear

  B) Nutrition and reproduction done clear

  C) Nutrition and growth done clear

  D) Nutrition and excretion done clear

  E) None of these done clear

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• question_answer31) When body travels equal distance in equal interval of time, it is called _______ motion.

  A) Uniform done clear

  B) Non-uniform done clear

  C) Circular done clear

  D) Irregular done clear

  E) None of these done clear

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• question_answer32)

  A student performs the following task:

  Task 1: He takes a piece of wood and cut it into various small pieces.

  Task 2: He takes a glass of water and keeps it into the freezer to freeze it.

  Task 3: Takes one glass of water and little sugar.

  He dissolves the sugar in the water.

  Task 4: He takes a peace of wood and burn it.

  Which one of the above mentioned tasks is/ are the example of physical change?

  A) Task 1, 2, 3 and 4 done clear

  B) Task 1, 2 and 4 done clear

  C) Task 1, 2 and 3 done clear

  D) Task 4 only done clear

  E) None of these done clear

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• question_answer33) Honey bees bite Sam on his face. Which one of the following first aid his mother should do?

  A) Remove the bee sting with the help of sterilized needle. done clear

  B) Remove the bee sting with the help of blade. done clear

  C) Remove the bee sting with the help of needle. done clear

  D) All of these done clear

  E) None of these done clear

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• question_answer34) Which one of the following sense organs of ours does not work temporary, if we suffer from cold?

  A) Eyes done clear

  B) Ear done clear

  C) Nose done clear

  D) Skin done clear

  E) None of these done clear

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• question_answer35) A cartravels 30 km in first hour, 31 km in second hour and again 30 km in third hour. What kind of motion does the car have?

  A) Uniform motion done clear

  B) Non uniform motion done clear

  C) Circular motion done clear

  D) All of these done clear

  E) None of these done clear

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• question_answer36) Dog and cat are the animals that live in our surrounding. They eat both flesh and grains. In which one of the following categories they belong to?

  A) Herbivorous done clear

  B) Carnivorous done clear

  C) Omnivorous done clear

  D) All of these done clear

  E) None of these done clear

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• question_answer37) Water changes into water vapour by the process of _______ and again water is obtained from water vapour by the process of_______.

  A) Distillation, condensation done clear

  B) Evaporation, distillation done clear

  C) Evaporation, condensation done clear

  D) Condensation, precipitation done clear

  E) None of these done clear

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• question_answer38) What is the source of solar energy?

  A) Moon done clear

  B) Water done clear

  C) Sun done clear

  D) All of these done clear

  E) None of these done clear

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• question_answer39) Which one of the following liquid secretes in the mouth?

  A) Bile done clear

  B) Pancreatic juice done clear

  C) Saliva done clear

  D) All of these done clear

  E) None of these done clear

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• question_answer40) Root grows ______ the ground.

  A) Above done clear

  B) Under done clear

  C) Over done clear

  D) All of these done clear

  E) None of these done clear

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