Science Olympiad Model Test Paper - 1 | Science Olympiad for Class 1 PDF Download

Ans: (b)
There are 5 butterflies flying above the flowers.

Ans: (d)

So, triangle is not present in the given figure.

Ans: (b)

So, number of masks in each group = 2.

Ans: (a)
The pattern followed is :

Ans: (c)
Except object in option C, all other objects give us light.

Ans: (d)

• Living things such as plants, animals, and humans need essential resources to thrive.
• They require air for breathing, water for hydration, and food for energy.
• Thus, the correct answer is All of these, as all three components are crucial for life.
• Without any one of these elements, living organisms cannot grow or survive effectively.

Ans: (d)

• The plant Jayesh saw is likely a Money plant. This type of plant is known for its vining growth habit, which allows it to climb structures like electric poles.
• Unlike the other options, such as the Pumpkin plant or Banyan tree, the Money plant is specifically known for its ability to grow upwards and can thrive in various conditions.
• Spinach is a ground plant and does not climb, making it an unlikely candidate for what Jayesh observed.
• Thus, the correct answer is Money plant, as it fits the description of a climbing plant.

Ans: (b)
Cactus plant is found in the desert. This is a plant that can store water for long time.

Ans: (d)

• Both A and B refers to Bacteria and Plants, which are capable of reproduction.
• Reproduction is a fundamental characteristic of living organisms, allowing them to produce offspring.
• While Animals can also reproduce, the question specifically highlights the ability of both Bacteria and Plants.
• Thus, the correct answer is that both A (Bacteria) and B (Plants) can reproduce.

Ans: (d)

• Walking carefully in the corridor is essential for safety.
• Running or pushing can lead to accidents and injuries.
• Staying calm and moving slowly helps everyone navigate the school environment.
• It's important to respect your surroundings and others while in school.

Ans: (b)

• The question asks for the gaseous form of water, which is commonly known as water vapor.
• When you unscramble the letters in option (b), VPAOUR, you get the word vapor.
• Options (a), (c), and (d) do not represent any form of water, making (b) the correct choice.
• Thus, the answer is water vapor, which is the gaseous state of water.

Ans: (b)

• Earth's shape is known to be an oblate spheroid, meaning it is slightly flat at the poles and bulging at the equator.
• The Sun does not change its shape or size in a way that is noticeable; it remains a stable star.
• The Sun is indeed the closest star to our planet, making it essential for life.
• A constellation is a recognizable pattern formed by a group of stars, which is a well-established concept in astronomy.

Ans: (c)

• Wind is a natural phenomenon, while a Stable is a structure built by humans for housing animals.
• The other options either consist of two natural items or two man-made items.
• For example, Sheep and Sun are both natural, while Eraser and Pencil box are both man-made.
• Thus, the correct answer is (c) because it uniquely combines one natural and one man-made element.

Ans: (d)

• All of these options are products that come from plants. Sugar is extracted from sugarcane or sugar beets, coffee powder is made from roasted coffee beans, and tea leaves are harvested from the tea plant.
• Each of these items plays a significant role in our daily lives, whether in food or beverages.
• Thus, the correct answer is that all these products are obtained from plants.

Ans: (a)

• The correct answer is Cow because a shed is typically used for larger animals like cows, which need shelter.
• A horse would require a stable, while a hen would need a coop, and a rabbit would need a hutch.
• Thus, the most suitable animal for a shed is a cow, as it fits the purpose of the structure.

Ans: (b)

• The question asks for an activity that does not require the use of legs.
• Kicking, walking, and skipping all involve using the legs for movement.
• Reading, on the other hand, is done while sitting or standing and does not require leg movement.
• Thus, the correct answer is (b) Reading.

Ans: (c)

• The question asks which clothing item is not needed in the same season as the others.
• Woollen cap, sweater, and woollen gloves are typically worn in cold weather.
• In contrast, shorts are worn in warm weather, making them the odd one out.
• Thus, the correct answer is (c) shorts, as they are not suitable for the same season as the other items.

Ans: (d)

• In a first aid kit, you will find various essential items that are crucial for treating minor injuries.
• These items include cotton rolls for cleaning wounds, band-aids for covering cuts, and scissors for cutting tape or gauze.
• Therefore, the correct answer is "All of these" as all mentioned items are commonly found in a first aid box.

Ans: (a)

• Seawater is very salty, which makes it unsafe for human consumption.
• Drinking salty water can lead to dehydration because it requires more water for the body to process the salt.
• Unlike freshwater, seawater has a high concentration of salts, primarily sodium chloride.
• Therefore, the correct answer is that we cannot drink seawater because it is salty.

Ans: (c)

• Monsoon season is characterized by heavy rainfall, typically occurring in certain months.
• Among the options, Monsoon day specifically refers to a day within this rainy season.
• The other options do not relate to the monsoon, making them incorrect.
• Thus, the correct answer is (c) Monsoon day, as it directly pertains to the season in question.

Ans: (d)

• All of these options are popular choices in the summer because they are refreshing and help keep us cool.
• Ice cream is a favorite treat that many enjoy to beat the heat.
• Fresh fruits provide hydration and essential vitamins, making them ideal for hot weather.
• Salads are light and nutritious, perfect for warm days when we want something easy to digest.

Ans: (c)
Flowers of broccoli and cauliflower are eaten as food.

Ans: (a)

• Banana is considered a herb because it has a soft stem and does not produce woody tissue.
• In contrast, Pumpkin, Rose, and Coconut are classified as other types of plants, with pumpkin being a vine, rose a shrub, and coconut a tree.
• Herbs are typically non-woody plants that die back to the ground after the growing season.
• Thus, among the options, banana fits the definition of a herb perfectly.

Ans: (b)

• The term for a group of lions is called a pride. This is a unique name that reflects their social structure.
• Lions are known for their social behavior, often living in groups to hunt and protect their territory.
• Other options like paddling and army refer to different animal groups, while troop is used for monkeys.
• Understanding these terms helps in recognizing the social dynamics of different animal species.

Ans: (a)

• Riya's household includes multiple generations and relatives, which defines a joint family.
• A nuclear family consists only of parents and their children, while a single-parent family has one parent with children.
• The term extended family is often used interchangeably with joint family, but in this context, joint family is the most accurate description.
• Thus, the correct answer is (a) Joint family, as it best describes her living situation.

Ans: (c)

• No Parking signs are specifically designed to inform drivers that they cannot park their vehicles in that area.
• These signs help maintain traffic flow and ensure safety on the roads.
• Recognizing such signs is crucial for drivers to avoid fines and ensure compliance with local regulations.
• Other options like Speed Limit, Stop Sign, and Yield Sign serve different purposes related to traffic control.

Ans: (b)

• It is important to cover your nose and mouth while sneezing to prevent the spread of germs.
• Sneezing can release tiny droplets that may contain viruses or bacteria.
• By covering your mouth and nose, you help protect others from getting sick.
• This practice is especially crucial in public places or during flu season.

Ans: (b)
Stems(Q) carry food from leaves (R) to all the other parts of the Plant.

Ans: (d)

• Flying kites does not release harmful substances into the air, unlike the other options.
• Burning firecrackers, using vehicles, and using deodorants can all release pollutants that make the air dirty.
• Firecrackers produce smoke and chemicals, vehicles emit exhaust fumes, and some deodorants contain propellants that can affect air quality.
• In contrast, flying kites is a recreational activity that does not involve any combustion or chemical release.

Ans: (d)

• The pair "River – Book" is incorrect because a river is a natural living entity, while a book is a man-made object. They do not belong to the same category.
• In contrast, the other pairs consist of a living thing and a non-living thing that can be logically associated.
• For example, a bird can be found in a mountain, and a rose plant can be related to a cycle in a garden context.
• Thus, the correct answer is (d) as it represents an incorrect pairing.

Ans: (b)
We get orange from plant, sugar from sugarcane, milk from cow and fish from river.

Ans: (d)
To finish the fight Mohan will do all of this these.
Mohan will go to the Rehaman’s house and then will say Id Mubarak, then he will offer him meethi seviyan and will say sorry in the end.

Ans: (d)
Shyam should eat healthy food, to keep him energetic and do exercise daily.

Ans: (b)
Cup is a non living thing and Fish, Tree, Rabbit are living things.

Ans: (c)
Huts are seen in the villages not in the cities.