Science Olympiad Previous Year Paper - 1 | Science Olympiad for Class 2 PDF Download

Ans: (b)

So, square is not present in the given figure

Ans: (b)

So, 3 groups of 4 spinners each can be formed

Ans: (c)
In the given pair, basketball and basketball net are related to same sport. Similarly, football and goal post are related to same sport.

Ans: (d)

• The pattern in the sequence involves skipping letters. Starting from D, we skip one letter (E) to get to F.
• From F, we skip another letter (G) to reach H.
• Continuing this pattern, after H, we skip I to find the next letter, which is J.
• Thus, the missing letter is J, making the complete sequence D, F, H, J, L, N.

Ans: (c)
Except object  in option C, all other objects can be used for sitting.

Ans: (b)

• The correct answer is Spring because during this season, the weather is typically mild, making it ideal for flowers to bloom.
• In Spring, we experience a transition from the cold of Winter to warmer temperatures, which encourages plant growth.
• In contrast, Winter is cold, Autumn is often associated with falling leaves, and Summer can be quite hot.

Ans: (b)
(b) is true, rest of the other statements are false. Gandhi Jayanti is celebrated on 2nd October every year. The Prime Minister of India hoists the National flag at Red Fort on Independence Day. Christmas is celebrated on 25th December

Ans: (b)

• The house of a honey bee is called a hive, which can be formed by unscrambling IVEH.
• The house of a cow is known as a shed, which can be formed by unscrambling DESH.
• Thus, the correct option that gives the names of both houses is IVEH, DESH.
• Other options do not correctly unscramble to the names of the houses of a honey bee and a cow.

Ans: (c)
14th November is Jawaharlal Nehru’s birthday which is celebrated as Children’s Day in India. It is not a national festival. Rest of the others are national festivals.

Ans: (a)

• The correct answer is (a) because plastic toys and sand castles are made from materials that do not come from living organisms. Plastic is derived from petroleum, which is a fossil fuel, and sand is a natural mineral.
• On the other hand, leather purses and fur coats are made from animal products, which means they come from living things.
• Thus, only options (i) and (ii) fit the criteria of being non-living things that originate from materials that were never alive.

Ans: (d)

• All of these options are correct statements about how different products are sourced.
• Coffee indeed comes from the seeds of the coffee plant, which are often referred to as coffee beans.
• Sugar is produced from the juice extracted from the stems of sugarcane, which is a type of grass.
• Henna is derived from the leaves of the henna plant, a shrub known for its dyeing properties.

Ans: (d)
The picture shows boat race. It is mainly conducted during the season of the harvest festival Onam.

Ans: (c)
Makar Sankranti is also called ‘Festival of kites’.

Ans: (c)
On Independence Day, the Prime Minister of India hoists the National Flag at the Red Fort in Delhi whereas on Republic Day, the President of India hoists National Flag at Rajpath.

Ans: (d)
Makar Sankranti is commonly known as ‘Festival of Kites’ .

Ans: (d)
Eid is festival of Muslims. They go to mosque to offer namaz. It is not related with colours. Holi is a festival of colours.

Ans: (b)

• Television is a popular medium that combines both audio and visual elements, making it an effective means of mass communication.
• E-mail serves as a modern way of written personal communication, allowing individuals to send messages directly to one another.
• The other options do not correctly match the definitions provided for X and Y.
• Thus, the correct pairing is Television for X and E-mail for Y.

Ans: (a)

• The statement "We get eggs from sheep" is incorrect because sheep do not lay eggs; they are mammals and give birth to live young.
• In contrast, leather is indeed made from the skin of dead animals, including camels.
• A foal is correctly identified as the young one of a horse.
• The sound made by a pig is accurately described as a grunt.

Ans: (b)
The given picture is of Christmas tree. Christmas is celebrated on 25th December every year. On this day, Christians celebrate the birthday of Lord Jesus Christ.

They go to Church to offer prayers. People decorate Christmas tree. Santa Clause gives gifts to children.

Ans: (b)

• In plains, houses are typically built with flat roofs to help with rainwater drainage and to provide usable space on top.
• A caravan is designed to be a portable house that can be moved easily, making it convenient for travel.
• Thus, the correct options for the blanks are Flat for P and Portable for Q.

Ans: (b)
Independence day- 15^th August 
Christmas- 25^th December 
Gandhi Jayanti- 2^nd October 
Republic day- 26^th January.

Ans: (a)

• Diamond is recognized as the hardest natural mineral, making it ideal for various applications, including jewelry and cutting tools.
• Its exceptional hardness allows it to scratch other materials, which is why it is often used in cutting glass.
• While gold, silver, and platinum are valuable metals, they do not possess the same level of hardness as diamonds.
• Thus, for both beauty in jewelry and functionality in cutting, diamonds are the preferred choice.

Ans: (a)

• Pulses are a type of leguminous crop that are harvested for their dry seeds.
• Among the options, kidney beans are indeed classified as pulses.
• On the other hand, rice is a grain, black pepper is a spice, and pistachio is a nut.
• Thus, the correct answer is (a) Kidney beans, as they fit the definition of pulses.

Ans: (b)

• Elephants are known for their loud vocalizations called trumpets, which they use to communicate over long distances.
• Frogs make a distinctive sound known as croaking, which is often heard during mating season.
• The other options do not accurately describe the sounds made by these animals.
• Thus, the correct pairing is that elephants trumpet while frogs croak.

Ans: (b)
Mahatma Gandhi is called as the ‘Father of the Nation’. Every year 2nd October is celebrated as Gandhi Jayanti. Raj Ghat is a memorial of Mahatma Gandhi.

Ans: (d)

• Drying of clothes requires air because it helps in the evaporation of water from the fabric.
• When clothes are exposed to air, the moisture evaporates, making them dry.
• In contrast, activities like bathing, mopping, and swimming do not specifically depend on air for their primary function.
• Thus, the correct answer is drying of clothes, as it directly involves the process of air aiding in drying.

Ans: (d)

• The sequence lists planets in order from the Sun.
• After Venus and Earth, the next planet is Mars.
• Jupiter follows Mars in the solar system.
• Thus, X is correctly identified as Mars.

Ans: (b)

• Watermelon is a fruit that grows on the ground and is known for having many seeds inside it.
• It is a popular summer fruit, enjoyed for its sweet and juicy flesh.
• In contrast, options like bitter gourd and pomegranate do not grow along the ground in the same way.
• Grapes grow on vines, not on the ground, making watermelon the correct choice.

Ans: (d)

• Children enjoy building snowmen and playing in the snow when it is cold outside.
• This activity is most commonly associated with the winter season, when snow is abundant.
• In contrast, summer, spring, and autumn do not typically have snow, making them unsuitable for this activity.
• Thus, the correct answer is winter, as it is the season known for snow and winter sports.

Ans: (d)

• The correct answer is YESE, which unscrambles to EYES.
• Eyes are the sense organs responsible for vision, allowing us to see objects in the sky, including the Big Dipper constellation.
• When you look at the stars, your eyes gather light and send signals to your brain, helping you identify shapes and patterns.
• Thus, the sense organ that helps you see the Big Dipper is indeed your eyes.

Ans: (d)

• Rohit is married to Rajan's daughter, making him Rajan's son-in-law.
• Gaurav is Rohit's wife's brother, which means he is Rajan's son-in-law's brother.
• Since Gaurav is the brother of Rajan's daughter, it follows that Rajan is Gaurav's father.
• Thus, the correct relationship is that Rajan is Gaurav’s father.

Ans: (b)
Makar Sankranti is celebrated in the month of January. The festival is dedicated to the Hindu religious sun God Surya.

Ans: (b)
India got freedom from British rule on 15th August 1947.

Ans: (c)
On 5th September Teacher’s day is celebrated . On this day, Dr. Radhakrishnan’s birthday is celebrated. He was second President of India.

Ans: (c)

• Option (c) is incorrect because writing on the desk in your classroom is not acceptable behavior, while walking on the footpath is a safe practice.
• The other options promote safe and responsible actions, such as waiting for your turn and following traffic rules.
• It's important to understand that some actions, like writing on desks, can damage property and are not allowed in classrooms.
• Always prioritize safety and respect for shared spaces when making choices.