Science Olympiad Previous Year Paper - 3 | Science Olympiad for Class 1 PDF Download

Ans: (b)
Second figure is the young once of the first figure.

Ans: (c)
Each figure repeats itself after three figures.

Ans: (a)

• ₹20 is the lowest value among the options provided.
• When comparing prices, the cheapest option is the one with the smallest number.
• In this case, ₹20 is less than ₹30, ₹40, and ₹50.
• Thus, ₹20 is the correct answer as it represents the least cost.

Ans: (b)
Kirti is at the second position from the finishing line.

Ans: (d)
Except option D, all others can fly.

Ans: (b)

• UJG is the only option that can be unscrambled to form a non-living thing, which is a jug.
• The other options do not represent any recognizable non-living objects when rearranged.
• For example, RTEE can be rearranged to form "tree," which is a living thing.
• Thus, the correct answer is (b) UJG.

Ans: (c)

• Cumin is a spice, while the other options are all types of legumes.
• Gram, Kidney beans, and Soybeans are all part of the legume family, which are known for their high protein content.
• This makes Cumin the odd one out, as it is used primarily for flavoring food rather than as a protein source.
• Identifying the category of each item helps in determining which one does not fit.

Ans: (c)

• Elephants are known for their unique sound called a trumpet, which is produced by blowing air through their trunks.
• While cows do say "moo," and bees make a "buzz," the question specifically asks for the match that includes an elephant.
• The sound of a tiger is often described as a "growl," but the correct answer focuses on the elephant's sound.
• Thus, the correct match is Elephant – Trumpet.

Ans: (b)

• Eye is the sense organ responsible for vision, allowing us to perceive colors and shapes.
• Option (b) correctly states that the eye helps us to know the colour of a flower.
• Other options incorrectly associate functions with the wrong sense organs.
• For example, the skin is related to touch, not taste, and the ear is related to hearing, not smell.

Ans: (d)

• The term for a group of giraffes is called a tower, which is a unique and fitting name.
• In contrast, a pride refers to a group of lions, not monkeys.
• A troop is associated with monkeys, while a swarm typically describes insects, not cows.
• Thus, the correct match is Giraffe – Tower.

Ans: (a)

• Roots are the part of the plant that anchor it securely in the ground.
• They play a crucial role in absorbing water and essential nutrients from the soil.
• Without roots, a plant would not be able to survive as they provide stability and nourishment.
• Other parts like the stem, leaf, and flower have different functions, but the root's main job is to support and feed the plant.

Ans: (a)

• Sunflower seeds are commonly eaten as a snack and are known for their nutritional benefits.
• They are rich in healthy fats, protein, and various vitamins and minerals.
• In contrast, the other options like carrot, potato, and tomato do not have edible seeds that we typically consume.
• Thus, sunflower is the correct answer as it is widely recognized for its seeds being eaten.

Ans: (c)

• Egg and Milk are both rich in essential nutrients like proteins and vitamins that are crucial for growth.
• These foods provide the body with the building blocks it needs to develop muscles and tissues.
• In contrast, options like Sugar and Chocolate do not offer the same nutritional benefits for growth.
• Thus, Egg and Milk are the best choices for supporting healthy growth.

Ans: (a)

• The correct answer is Cotton plant. Cotton is a natural fiber that is widely used in making clothes.
• Hibiscus plant does not produce fibers suitable for clothing.
• Sheep provide wool, which is different from cotton.
• Yak fibers are used for specific textiles but are not as common as cotton for everyday clothing.

Ans: (b)

• The correct answer is BANDAGE. A bandage is a common item found in a first aid box used to cover and protect wounds.
• The letters provided in option (b) fit perfectly into the blanks, forming the word BANDAGE.
• Other options do not create a valid word that relates to first aid supplies.
• Thus, option (b) is the only one that correctly completes the name of an object found in a first aid box.

Ans: (b)

• Vanya's paternal grandfather refers to her father's father.
• The only son of Vanya's paternal grandfather is her father.
• Thus, the correct answer is (b) Father, as he is the direct descendant.
• Other options like uncle, brother, and cousin do not fit the description of being the only son.

Ans: (d)
We should eat healthy to keep our bones and muscles healthy. Eating healthy means eating fruits and vegetables more and no junk food.

Ans: (c)

• Football is an object that is inflated with air, which gives it its round shape.
• When air is pumped into the football, it expands and holds its shape, allowing it to be used for playing.
• Other options like clock, table, and aeroplane do not rely on air to maintain their shape.
• Thus, the correct answer is football, as it is specifically designed to be inflated with air.

Ans: (c)

• Langar is a tradition in Sikhism where a free meal is served to everyone.
• This meal is typically offered at a Gurdwara, which is a Sikh place of worship.
• While churches and mosques may also provide meals, the specific term "Langar" is associated with Gurdwaras.
• Thus, the correct answer is (c) Gurdwara, as it is the place known for this practice.

Ans: (c)
Butter is an body building food. Protective foods are fruits and vegetables.

Ans: (c)

• Living things are characterized by their ability to grow and develop.
• Options (a), (b), and (d) all describe processes where a living organism undergoes a transformation, indicating growth.
• In contrast, option (c) describes a gel bead absorbing water, which is a physical change, not a biological growth process.
• Thus, the correct answer is (c) because it does not represent growth in living organisms.

Ans: (b)
People build dams to stop flooding.

Ans: (d)

Air is present all around us but it cannot be seen.

Ans: (d)

• All of these options are important for safety and fun at the playground.
• Waiting for your turn ensures that everyone gets a chance to play without rushing.
• Following the rules of the game helps maintain fairness and enjoyment for all players.
• Seeking help from an adult is crucial if someone gets hurt, ensuring proper care is given.

Ans: (d)

• Amphibians are unique creatures that can live both in water and on land. They need water for their early life stages, like tadpoles, and air for breathing as adults.
• Unlike fish, which are fully aquatic, amphibians can move through both mediums, making them dependent on both water and air.
• This dual requirement is what sets amphibians apart from other animals like birds and insects, which do not need water for movement.

Ans: (c)

• When our hands are wet, they conduct electricity more effectively.
• Touching plug points with wet hands can lead to a serious electric shock.
• Other options like knife, scissors, and balloon do not pose the same risk of electric shock.
• It's important to keep hands dry when handling electrical devices to ensure safety.

Ans: (d)

• Fish is a living organism, while Rock is a non-living object.
• The other options either pair two living things or two non-living things.
• For example, in option (a), both Monkey and Lotus are living things.
• In option (b), River is a non-living thing, but Sun is also considered a non-living entity.
• Option (c) pairs two non-living items, Pencil and Bicycle.

Ans: (a)

• Water is essential for cooking food, as it is used in various cooking methods like boiling, steaming, and making sauces.
• While water can help in drying clothes, it is not the primary function; rather, it is used to wash them.
• Writing on paper does not require water, making it an incorrect option.
• Thus, the best answer is that we need water to prepare meals.

Ans: (b)
The figure given represents water cycle, which is an on going process of water.

Ans: (d)

• Summer activities often include various ways to stay cool and comfortable.
• People enjoy eating ice-cream to beat the heat.
• Wearing cotton clothes helps keep the body cool.
• Additionally, sitting under the fan is a common way to stay comfortable.
• Therefore, the correct answer is all of these activities are typical in summer.

Ans: (c)
Roof of the flats can be flat, sloping or semi-circle depending on the places it is made.

Ans: (c)
Meena has given the topic full appropriate. As ‘Save the Earth”.

Ans: (a)
1 - River 
2 - Hand pump 
3 - Snow 
4 - Rain

Ans: (d)
Candle is a solid form, which is made up of wax.

Ans: (a)
We should not touch electric wire with wet hands as we can get electric shock.