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Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6 PDF Download

Note: The questions provided in this document are similar to the questions that were asked in the actual Olympiad exam. So, we recommend you study these for your Olympiad preparation. 

Logical Reasoning

Q1: Choose the correct word that can replace the question mark (?) to complete the relationship.
Bike : Petrol :: Air conditioner : ?
(a) Electricity
(b) Wheels
(c) Engine
(d) Air

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Ans: (a)
A bike runs on petrol. Similarly, an air conditioner runs on electricity.

Q2: There is a specific connection between the numbers in the left pair. Determine the same connection in the right pair and identify the missing number. 14 72 : : ? : 82
(a) 12
(b) 14
(c) 16
(d) 18

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Ans: (c)

  • To find the relationship, we see that 14 multiplied by 5 gives us 70, and then we add 2 to get 72.
  • Using the same method for the right pair, we need to find a number that when multiplied by 5 and then added to 2 equals 82.
  • If we let the missing number be 16, then 16 multiplied by 5 equals 80, and adding 2 gives us 82.
  • Thus, the missing number is 16, confirming the relationship holds true.

Q3: If a mirror is placed on the line AB, which of the option figure shows the correct image of the given question figure?

Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6(a) Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6
(b) Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6
(c) Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6
(d) Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6

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Ans: (a)
If a mirror is places on the line AB then the following of the answer figures is the right image of the given figure.
Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6

Q4: Silk Worm is to Silk as Sheep is to _____.
(a) Leather
(b) Wood
(c) Wool
(d) Cotton

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Ans: (c)
Silk is obtained from silk worm; similarly, wool is obtained from sheep.

Q5: Identify the missing number in the following sequence: 3, 8, 15, 24, 35, 48, ?
(a) 53
(b) 54
(c) 63
(d) 62

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Ans: (c)

  • The pattern in the sequence shows that the difference between each number is increasing by 2.
  • The differences are: 5 (8-3), 7 (15-8), 9 (24-15), 11 (35-24), 13 (48-35), and the next difference should be 15.
  • When you add 15 to the last number, 48, you get 63.
  • Thus, the missing number in the pattern is 63.

Q7: Which two signs should be interchanged to make the equation correct?
6 + (9 - 3) ÷ (8 + 1) × (7 - 4) = 24
(a) × and ÷
(b) + and ÷
(c) - and ÷
(d) + and -

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Ans: (a)
After interchanging × and ÷,
We get
6 + (9 - 3) × (8 + 1) ÷ (7 - 4) = 6 + 6 x 9 ÷ 3 = 24

Q8: How many consonants in the provided series are directly preceded by a vowel? V E T R V T E S B A W R I P V O T
(a) Two
(b) Three
(c) Four
(d) Five

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Ans: (d)

  • The consonants that come right after a vowel in the series are T, S, W, P, and T.
  • Counting these gives us a total of five consonants.
  • Thus, the answer is (d) Five.

Q9: Gurpartap has 5 holidays in between every consecutive exam. The first exam is on 26th of February, which is a Friday. On which day will he have the next exam, if he has exams in a leap year?
(a) 2nd March
(b) 3rd March
(c) 4th March
(d) 5th March

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Ans: (b)
In a leap year, there are 29 days in February. So, if he has one exam after 5 days, which are 27th, 28th, 29th, 1st and 2nd, so he will have his next exam on 3rd of March.  

Q10: Komal travels 3 m to the South, then makes a left turn and moves 5 m. After that, she turns left again and goes 3 m. What is her distance from the starting point now?
(a) 3 m
(b) 4 m
(c) 5 m
(d) 8 m

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Ans: (c)

  • To find the distance from the starting point, we can visualize Komal's movements.
  • She first goes 3 m South, then turns left (which is East) and goes 5 m.
  • After that, she turns left again (now facing North) and moves 3 m.
  • Now, she is 5 m East from her starting point, and her North-South position is back to the original line, making the total distance 5 m.

Science Section

Q11: Which of the following statements is incorrect regarding the motion of a pendulum?
(a) The pendulum performs an oscillatory motion.
(b) The pendulum performs a rotary motion.
(c) The motion is periodic.
(d) The motion of pendulum is to and fro.

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Ans: (b)
The motion of pendulum is not rotatory as it does not complete a full circle.

Q12: Observe the method of separation applied to a mixture of 'P' and 'Q' and select the option that identifies the components correctly.

Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6

(a) P - Water; Q - Table salt
(b) P - Water; Q - Oil
(c) P - Water; Q - Sand
(d) P - Water; Q - Sugar

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Ans: (c)
The process being demonstrated is filtration.
The mixture of P and Q forms a suspension. Sand being insoluble in water forms a suspension.
Hence, P is water and Q is sand.

Q13: Which of the following statements are false?
(i) Human body is a bad conductor of electricity.
(ii) The air gap surrounding an electric circuit acts as an insulator.
(iii) A battery always has two terminals.
(iv) When electricity lights up a bulb, no heat is produced. 

(a) (i) and (ii) only
(b) (iii) and (iv) only
(c) (i) and (iv) only
(d) (ii) and (iii) only

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Ans: (a)

  • Statement (i): The human body is actually a conductor of electricity, which makes this statement incorrect.
  • Statement (ii): The air gap around an electric circuit does not effectively insulate the flow of electricity, making this statement also incorrect.
  • Statement (iii): A battery indeed has two terminals, which is a true statement.
  • Statement (iv): When electricity powers a bulb, it does produce heat, so this statement is incorrect.

Q14: Read the following statements and choose the accurate option.
Statement 1: Fuse wire should possess a low melting point.
Statement 2: Fuses are intended for minimal current flow only.
(a) Both statements 1 and 2 are true, and statement 2 is the correct explanation of statement 1.
(b) Both statements 1 and 2 are true, but statement 2 is not the correct explanation of statement 1.
(c) Statement 1 is true, but statement 2 is false.
(d) Both statements 1 and 2 are false.

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Ans: (c)

  • Fuse wires are designed to have a low melting point so that they can melt and break the circuit in case of an overload.
  • However, it is incorrect to say that fuses are only used for small current flows; they can be used for various current levels.
  • Thus, while statement 1 is true, statement 2 is false.

Q15: Directions: Read the statements given below and choose the correct option accordingly.
Assertion (A): In desert plants, leaves are modified into spines.
Reason (R): Modification of leaves into spines helps to prevent water loss, through transpiration.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A.
(c) A is true, but R is false.
(d) A is false, but R is true.

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Ans: (a)
In desert plants, the leaves are modified into spines. This modification helps in reducing the loss of water through the leaves (in the form of transpiration). Hence, the reason is the correct explanation of the assertion.

Q16: The instrument used to see above the water surface from submarine is
(a) macroscope
(b) periscope
(c) microscope
(d) telescope

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Ans: (b)
The instrument used to see above the water surface from submarine is called periscope.

Q17: Consider the two processes mentioned below:
Process A: Anaerobic bacteria digest animal waste and produce biogas.
Process B: The biogas is then burnt as fuel.
The following statements pertain to changes in these processes. Choose the correct one.
(a) Only Process A is a chemical change.
(b) Only Process B is a chemical change.
(c) Both processes A and B are chemical changes.
(d) None of these processes is a chemical change.

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Ans: (c)
Both the processes are chemical changes as new substances are formed as products in both the reactions. Both these changes are irreversible.

Q18: Two activities were demonstrated for the students of class VI.
Activity I: An iron rod was heated till red hot.
Activity II: An iron blade was added to the blue solution of copper sulphate which turned Green. A reddish brown deposit was also formed on the blade.
Four students arrived at different conclusions from the observations.
(a) Reyansh: Both the activities depict a change in colour and thus they are chemical changes.
(b) Aryan: Activity I is a physical change and activity II is a chemical change.
(c) Aishmeen: Both the activities depict a change in colour and are thus they are physical changes.
(d) Ikshita: Activity I is a chemical change and activity II is a physical change.

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Ans: (b)
Heating of the rod is a physical change as no new substance is formed in the process.

A chemical change occurs when the iron nail is added to the solution of copper sulphate.

Iron + Copper sulphate  Copper + Ferrous sulphate

Hence, Aryan's observation is correct.

Q19: Observe the Venn diagram classifying the objects/materials on the basis of transmission of light through them.

Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6Select the option that correctly illustrates P, Q and R.
(a) P: Plastic; Q: Wood; R: Brick
(b) P: Glass; Q: Wood; R: Brick
(c) P: Glass; Q: Butter paper; R: Brick
(d) P: Glass; Q: Ink; R: Water

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Ans: (c)
Glass is a transparent material.

Butter paper is translucent.

Brick is opaque.

Therefore, option (c) is correct.

Q20: 'X' is a plant fibre and is obtained from the fruit of the plant. The fibre is thick, brow, strong and has high abrasion resistance.
Select the X among the given options.
(a) Jute
(b) Coir
(c) Hemp
(d) Flax

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Ans: (b)
Coir is a natural fiber of the coconut husk. It is a thick and coarse but durable fiber.

Q21: Select the accurate statements.
I. Chalk forms a homogeneous mixture with water.
II. Edible oil is immiscible with water.
III. Oiled paper is transparent in nature.
IV. Handles of cooking pans are made up of plastic or wood. 

(a) I and II only
(b) II and IV only
(c) II, III and IV only
(d) III and IV only

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Ans: (b)

  • Statement II is true because edible oil does not mix with water, making them immiscible.
  • Statement IV is also correct as the handles of cooking pans are typically made from plastic or wood, which are good insulators.
  • Statements I and III are incorrect; chalk does not form a homogeneous mixture with water, and oiled paper is not transparent.

Q22: Which of the following mixtures can be separated using the following apparatus?

Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6(a) Water and Vinegar(b) Kerosene and Petrol
(c) Water and Lemon juice
(d) Water and Petrol

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Ans: (d)
A separating funnel is a device used to separate two or more liquids which are immiscible and form separate layers when the mixture is left undisturbed. The denser component of the mixture forms the lower layer.
Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6
Water and petrol are immiscible liquids and can be separated using a separating funnel.

Q23: Ruchi intends to prepare halwa for her mother. However, the semolina (suji) has mixed with rice, and some alpins have also fallen into the mixture. Which combination of methods will assist Ruchi in separating each component of the mixture?
(a) Handpicking and threshing
(b) By using a magnet and distillation
(c) Winnowing and sieving
(d) By using a magnet and sieving

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Ans: (d)

  • Using a magnet allows Ruchi to remove the alpins from the mixture since they are magnetic.
  • Sieving helps in separating the semolina from the rice based on their different particle sizes.
  • This combination effectively separates all components of the mixture.
  • Other methods listed do not effectively separate the components as required.

Q24: Which of the following indicates a wrong pairing?
(a) A homogeneous gas-liquid mixture: Carbonated drink
(b) A homogeneous solid-solid mixture: Bronze
(c) A heterogeneous solid-gas mixture: Smoke
(d) A homogeneous liquid-liquid mixture: Oil and vinegar

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Ans: (d)

  • Oil and vinegar do not create a homogeneous mixture because they do not blend well together.
  • In a homogeneous mixture, the components are evenly distributed, while in a heterogeneous mixture, the components remain distinct.
  • Carbonated drinks, bronze, and smoke are examples of mixtures that fit their descriptions correctly.
  • Thus, the pairing of oil and vinegar as a homogeneous mixture is incorrect.

Q25: Which of the following is a type of fruit?
(a) Carrot
(b) Apple
(c) Potato
(d) Lettuce

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Ans: (b)

  • Apple is classified as a type of fruit because it develops from the flower of the apple tree and contains seeds.
  • Fruits are typically sweet or sour and are consumed raw, while vegetables like carrot and potato are usually savory and can be cooked.
  • Understanding the difference between fruits and vegetables is important in botany and cooking.
  • In summary, an apple is a clear example of a fruit, while the other options are not.

Q26: Which of the following statements is/are incorrect?
I. Growing of a plant is a non-periodic and chemical change.
II. Occurrence of day and night is a periodic and non-desirable change.
III. Digestion of food is a slow and chemical change.
IV. Breaking of glass is a physical and reversible change. 
(a) II only
(b) II and IV only
(c) I and III only
(d) IV only

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Ans: (b)

  • The statement about the occurrence of day and night being a periodic and non-desirable change is incorrect; it is actually a desirable change.
  • Additionally, the statement regarding the breaking of glass is also incorrect because it is considered an irreversible change.
  • Thus, the correct answer is option (b), which identifies both II and IV as incorrect statements.

Q27: Inside the torch, two or more cells are placed with the following arrangement:
(a) Negative – positive – positive – negative
(b) Negative – negative – positive – positive
(c) Positive – negative – positive – negative
(d) Positive – positive – negative – negative

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Ans: (c)

Inside the torch, two or more cells are placed with positive – negative – positive – negative terminals to power the torch, else with any other arrangement, it won't work.

Q28: Observe the following table classifying W, X, Y and Z as physical and reversible changes.

Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6Which of the following options regarding W, X, Y and Z is incorrect?
(a) W represents cutting of paper.
(b) X represents freezing of water.
(c) Y represents melting of wax.
(d) Z represents moulding of clay.

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Ans: (a)

All the listed processes are physical changes. Cutting of paper is a physical change which is irreversible. Although there is no change in the properties of the substance, the pieces cannot be put together to get the original paper.

Hence, the example for W in option (1) is incorrect.

Q29: Which of the following options is FALSE?
(a) A firki does not rotate in a closed area due to lack of air movement.
(b) An empty glass is not empty as it is filled with air.
(c) We see bubbles in water before it starts boiling because dissolved air is expelled out of heating.
(d) A weathercock shows the accurate speed with which the air is moving at that place.

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Ans: (d)

A weathercock shows the direction in which the air is moving at that place.

Q31: Select the item that does not belong based on its decomposition properties.
(a) Polythene bag
(b) Aluminium wrap
(c) Glass bottle
(d) Eggshell

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Ans: (d)

  • Eggshells are considered biodegradable, meaning they can break down naturally over time.
  • The other options, such as polythene bags, aluminium wraps, and glass bottles, do not decompose easily and can persist in the environment for a long time.
  • This makes eggshells the only item in the list that can decompose naturally.

Q32: Rashmi, a Class 6 student, categorized four groups of foods that help in building the body. However, she made an error in one of the groups. Identify the group that contains the incorrect item and choose the right option.
(a) Gram, Moong dal, Toor dal
(b) Paneer, Milk, Egg
(c) Fish, Mango, Rice
(d) Egg, Beans, Pea

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Ans: (c)

  • Fish, Mango, and Rice is the incorrect group because Mango is a fruit that provides vitamins and minerals, while Rice is primarily an energy-giving food.
  • The other groups consist of foods that are rich in proteins, which are essential for body building.
  • In summary, Papaya and Rice do not belong in a body-building category.

Q33: Consider the following list of substances:
a. Sand
b. Mud
c. Coconut oil
d. Copper sulphate
e. Wheat flour
Copper sulphate is the odd one in the list because

(a) it is unique with respect to its blue colour
(b) it is not edible
(c) it is a sublimable substance
(d) it is soluble in water

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Ans: (d)

The most basic property which makes copper sulphate unique in this list is that it is soluble in water, whereas all the other substances are insoluble in water.

Q34: Refer to the given analogy and select the correct option regarding 
P.Garlic : Stem :: P : Root
(a) Onion
(b) Sweet potato
(c) Turmeric
(d) Brinjal

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Ans: (b)

  • Sweet potato is classified as an edible root, similar to how garlic is an edible stem.
  • This analogy compares the parts of the plants: garlic is known for its stem, while sweet potato is recognized for its root.
  • Both are important in cooking and nutrition, highlighting their roles in the plant structure.
  • Thus, the correct answer is sweet potato, as it matches the relationship of the analogy.

Q36: Eric was learning about shadows and light, and was trying to make a project on that topic. The following is the image he has made while working on his project.

Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6
What does arrow depict in the image?
(a) Umbra
(b) Shadow
(c) Penumbra
(d) Both (1) and (3)

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Ans: (c)

  • Umbra and Penumbra are two types of shadows.
  • Umbra is formed where no light reaches and it is dark, black shadow.
  • Penumbra is formed where some light reaches and it is grey in colour.

So, the arrow is point at the part where some light reaches and it is grey in colour. i.e. Penumbra.
Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6

Q37: Specific properties of three vitamins X, Y and Z are given below:
X: Synthesised in the body by the action of sunlight
Y: Required for good vision
Z: Required for blood clotting
Choose the incorrect statement from the options given below.
(a) Z cannot be stored in the body.
(b) Deficiency of X causes weak bones.
(c) Y is found in abundance in carrots, papaya, broccoli and mangoes.
(d) Deficiency of Y can lead to night blindness.

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Ans: (a)

The correct identification of X, Y and Z is: Vitamin D, Vitamin A and Vitamin K, respectively. Option 1 is incorrect regarding Vitamin K. Vitamin K is a fat-soluble vitamin which can be stored in the fatty tissue of the body.

Q38: Select the option that correctly fills in the blanks. __L___ are made of yarns, and yarns are made up of __M__.
(a) L: Fibre; M: Fabrics
(b) L: Fabrics; M: Fibre
(c) L: Fibre; M: Yarn
(d) L: Textiles; M: Fibre

Ans: (b)

  • Fabrics are the end product created from yarns, which are themselves constructed from fibres.
  • This means that yarns serve as the building blocks for fabrics, while fibres are the raw materials used to create those yarns.
  • Thus, the correct completion of the statement is that fabrics are made of yarns, and yarns are made up of fibres.

Q39: Read the given paragraph and select the incorrect statement regarding the italicized words. Leaves prepare their food in the presence of sunlight and green-coloured substance present in them. For this, they use water and oxygen. This process is called photolysis. The prepared food ultimately gets stored only in the fruits of the plant.
(a) Green must not be replaced as it is correctly mentioned.
(b) Oxygen must be replaced with carbon dioxide.
(c) Photolysis must be changed to photosynthesis.
(d) Only in fruits must not be changed as it is correctly mentioned.

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Ans: (d)

  • The statement that food is stored only in fruits is incorrect.
  • Food can be stored in various parts of the plant, such as roots, stems, and leaves, not just in fruits.
  • Thus, the phrase "only in fruits" should be changed to reflect that food storage occurs in multiple areas.
  • Options (a), (b), and (c) are correct as they accurately describe the process and components involved in photosynthesis.

Q40: Study the classification chart given below showing two types of skeletal joints (P and Q).

Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6

Which of the following statements is correct regarding these?
(a) In joint Q, the round end of one bone fits into the hollow part of another bone.
(b) Joint P is also present between the vertebrae.
(c) Joint Q is also present between the bones of fingers.
(d) Joint P allows movement in all directions, whereas joint Q allows only sideways movement.

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Ans: (a)

Shoulder and hip joints represent the ball and socket joint. In the ball and socket joint, one end of the bone fits into the hollow part of another bone. Elbow and knee joints represent a hinge joint which shows restricted movement. Hinge joint is not present between the vertebrae. Fixed joint is found in the vertebrae. Hinge joints are present between the bones of fingers.

Q41: Analyse the following statements and select the option which shows the group of correct statements.
(i) Black soil is good for cotton.
(ii) Cotton, jute, flax, hemp, coir and ramie are plant fibres.
(iii) Fabric is made from yarn by weaving or knitting.
(iv) Alluvial soil is bad for cotton.
(v) The spinning of fibres decreases the strength of the yarn.

(a) (i), (ii) and (iii)
(b) (i), (iii) and (v)
(c) (i), (iv) and (v)
(d) (ii), (iii) and (iv)

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Ans: (a)

  • Cotton grows best in black deep soil.
  • Cotton, jute, flax, hemp, coir and ramie are all fibres which are gained from plants.
  • Fabric is made from yarn by either weaving or knitting.

Hence, the statements (i),(ii) and (iii) are correct

  • Alluvial soil is good for cotton as well.
  • The spinning of fibres increases the strength of the yarn.

Hence, the statements (iv) and (v) are incorrect

Q42: During night, Moon appears shining although it is not a luminous body because of
(a) reflection of the sunlight
(b) absorption of the sunlight during day
(c) collision of rocks on the surface of Moon
(d) burning of gases on the surface of Moon

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Ans: (a)
During night, Moon appears shining although it is not a luminous body because it reflects the sunlight.

Q43: Refer to the provided statements and identify the accurate ones.
(i) In rainforest plants growing in the lower strata have big leaves to absorb sunlight.
(ii) Leaf insect and stick insect show camouflage.
(iii) Nostrils of camels have flaps to keep nostrils closed during dust storms.(iv) Small ears minimize heat loss in a polar bear. 

(a) (i) and (iii) only
(b) (i), (iii), and (iv) only
(c) (ii), (iii), and (iv) only
(d) (i), (ii), (iii), and (iv)

Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6  View Answer

Ans: (d)

  • All the statements are true: In rainforest environments, plants in the lower layers have large leaves to effectively absorb sunlight.
  • Camouflage: Both leaf insects and stick insects are known for their ability to blend into their surroundings.
  • Camels' nostrils: They have flaps that close during dust storms to protect their respiratory system.
  • Polar bears: Their small ears help reduce heat loss in cold climates.

Q44: Study the given venn diagram and select the correct option.

Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6(a) X could be jute fibre.
(b) Y could be cotton.
(c) Y could be flax.
(d) X could be ramie.

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Ans: (c)
Option (3) is correct because flax is a bast fibre obtained from the stem of the plant.
All other options are incorrect.
Cotton is obtained from the seed.
Jute and ramie fibres are obtained from the plant stem.

Q45: Select the correctly matched pair.
(a) Pelvic girdle - Includes clavicle and scapula
(b) Sternum - Protects delicate brain
(c) Femur - Fits into the hip girdle
(d) Humerus - Longest and strongest bone of the body

Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6  View Answer

Ans: (c)

  • Femur is indeed the longest and strongest bone in the body.
  • It fits into the hip girdle, which connects the leg to the torso.
  • Options (a) and (b) are incorrect because the pelvic girdle does not include the clavicle and scapula, and the sternum protects the heart and lungs, not the brain.
  • Option (d) is also incorrect as the humerus is the longest bone in the arm, not the body.

Achievers Section

Q46: Find the missing components and their properties in the given chart.

Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6

(a) a = wire mesh, b = opaque, c = luminous, d = non-luminous
(b) a = non-luminous, b = luminous, c = opaque, d = wire mesh
(c) a = wood, b = wire mesh, c = non luminous, d = non-luminous
(d) a = opaque, b = wire mesh, c = luminous, d = wood

Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6  View Answer

Ans: (a)

Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6

Q47: Match the parts (a, b, c, d) of the chart with the statements (1, 2, 3, 4) given below:

Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6

(a) a - 2, b - 4, c - 1, d - 3
(b) a - 2, b - 1, c - 4, d - 3
(c) a - 4, b - 2, c - 3, d - 1
(d) a - 3, b - 1, c - 4, d - 2

Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6  View Answer

Ans: (a)

Winnowing: The process of separation of lighter particles from heavier particles with the help of wind is called winnowing.

Filtration: This method is used for separating fine insoluble solid particles from the liquid.

Condensation: The process of conversation of water vapour into its liquid vapour called condensation.

Saturated Solution: When a solution of a liquid and solid has enough of the solid and it cannot take any more solid, the solution is called saturated solution.

Q48: Read the provided passage where certain words are italicized. Identify the incorrect italicized words and select the incorrect statement about them. The process of evaporation plays an important role in bringing water back to Earth. The surface of Earth gets hotter as we move higher from the surface. Air as it moves up gets cooler. At a sufficient height, the air becomes cool, and the water present in it condenses to become fog.
(a) Evaporation must not be changed as it is correctly mentioned.
(b) Hotter must not be changed as it is correctly mentioned.
(c) Cooler must not be changed as it is correctly mentioned.
(d) Fog must be changed to droplets.

Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6  View Answer

Ans: (d)

  • The term "fog" is not the most accurate in this context; the correct term should be "droplets."
  • "Evaporation," "hotter," and "cooler" are all used correctly in the passage.
  • Understanding the process of condensation is key; as air rises and cools, it forms water droplets, not fog.
  • This distinction is important for clarity in describing the water cycle.

Q49: Read the given statements and select the option that correctly fills in the blanks in any two of them. 
(i) Exoskeleton in cockroaches is made up of ____. (ii) _____ in fish is filled with air and helps them to move up and down in water. (iii) In snails, ______ secretes slime and moves the snail along. (iv) Body shape in earthworms is maintained by the fluid present inside the body. Such a skeleton is called ____. 
(a) (i) Keratin; (ii) Fins 
(b) (ii) Swim bladder; (iii) Muscular foot 
(c) (iii) Tentacles; (iv) Liquid skeleton 
(d) (i) Lignin; (iv) Exoskeleton 

Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6  View Answer

Ans: (b)

  • Swim bladder is an organ in fish that is filled with air, allowing them to control their buoyancy and move up and down in water.
  • Muscular foot in snails is responsible for secreting slime, which aids in their movement.
  • Both terms are essential for the respective animals' movement and adaptation in their environments.
  • Understanding these functions helps us appreciate how different organisms have evolved unique structures for survival.

Q50: Skeleton of the body is the combination of which two components?
(a) Cartilages and bones
(b) Water and blood
(c) Muscles and fat
(d) Fat and cartilages

Science Olympiad Previous Year Paper - 2 | Science Olympiad Class 6  View Answer

Ans: (a)

The combination of cartilages and bones forms the skeleton of the body.  

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FAQs on Science Olympiad Previous Year Paper - 2 - Science Olympiad Class 6

1. What is the Science Olympiad and how does it benefit students?
Ans. The Science Olympiad is a competitive event that encourages students to learn and engage with scientific concepts through hands-on activities and experiments. It benefits students by enhancing their critical thinking skills, promoting teamwork, and fostering a love for science.
2. What topics are typically covered in the Class 6 Science Olympiad exam?
Ans. The Class 6 Science Olympiad exam generally covers a range of topics including basic physics, chemistry, biology, environmental science, and earth science. Specific areas may include the human body, plants, animals, matter, and simple machines.
3. How can students prepare effectively for the Science Olympiad?
Ans. Students can prepare effectively for the Science Olympiad by reviewing their classroom notes, engaging in practical experiments, solving previous years' papers, and utilizing study guides or online resources dedicated to the Science Olympiad curriculum.
4. What types of questions are usually found in the Science Olympiad exam?
Ans. The Science Olympiad exam typically includes multiple-choice questions, fill-in-the-blanks, and short answer questions. These questions assess students' understanding of scientific concepts, their ability to apply knowledge, and their problem-solving skills.
5. Are there any specific strategies to improve performance in the Science Olympiad?
Ans. Yes, specific strategies to improve performance include regular study sessions, participating in group discussions, practicing with mock tests, focusing on weak areas, and maintaining a balanced study schedule to avoid last-minute cramming.
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