Science Olympiad Model Test Papers - 1 | Science Olympiad for Class 2 PDF Download

Ans: (d)
Only figure in option D is made up of 6 straight lines.

Ans: (a)
 is used to cut nails, but  is called .

Ans: (b)
Ribbon S is fourth from the right end.

Ans: (c)
Object in second figure is real life example of shape given in first figure.

Ans: (b)
 The rule followed is : 8 + 12 = 20;
15 + 11 = 26
So, 7 + 14 = 21

Ans: (d)

• The Touch-me-not plant is known for its unique ability to droop its leaves when touched, which is a form of movement.
• This reaction shows that it can respond to external stimuli, indicating that it has the ability to move.
• While living things can also breathe, grow, and reproduce, the specific action of the Touch-me-not plant demonstrates its capacity for movement.
• Thus, the correct answer is that it shows living things can move on their own.

Ans: (c)
Albert Einstein and APJ Abdul Kalam are the famous and great scientists.

Ans: (a)

• The Acacia tree is well-known for producing gum, specifically gum arabic, which is used in various products.
• Other trees like Maple do not produce gum; they are known for their syrup.
• Bamboo and Jasmine are not sources of gum either.

Ans: (a)

• The question asks about the relationship between the number of seeds in different fruits.
• Option (a) states that Mango and Litchi have the same number of seeds, which is correct.
• Other options suggest incorrect relationships, such as Watermelon having fewer seeds than Cherry, which is not true.
• Thus, the correct answer is (a) because it accurately reflects the seed count relationship.

Ans: (d)

• The question asks for a correct match between an animal and the product we derive from it.
• Among the options, Goat is known for producing Milk, which is a common and well-known product.
• The other options are incorrect because Sheep do not produce Honey, Cows do not produce Silk, and Horses do not lay Eggs.
• Thus, the correct answer is (d) Goat – Milk.

Ans: (b)
Jawaharlal Nehru was the first Prime Minister of Independent India.

Ans: (b)
Grasshopper is a living thing, it needs air to live.

Ans: (c)

• The question asks for the incorrect pairing of vegetarian and non-vegetarian foods.
• Option (c) states that meat is vegetarian, which is not true; meat is a non-vegetarian food.
• All other options correctly categorize the foods as vegetarian or non-vegetarian.
• Thus, option (c) is the only one that is incorrect.

Ans: (b)
Living things will die without food. It is one of the basic necessities of life.

Ans: (d)
Flower can-not move by itself. Some one carries it from one place to other.

Ans: (b)
Because all the leaves of a plant get water from the  roots through the stem.

Ans: (a)
Because trees have stronger stem than herb and shrubs, but cactus is not an aquatic plant, instead it is a thorny plant present in desert areas. 

Ans: (d)

• The Banyan tree is recognized for its extensive lifespan, often living for several hundred years.
• In contrast, Coriander, Wheat, and Jasmine have much shorter life cycles, typically lasting only a few months to a few years.
• The Banyan is not only long-lived but also grows large and can spread over a wide area, making it a significant tree in many cultures.
• Thus, among the options, the Banyan stands out as the plant with the longest life span.

Ans: (a)
Tulsi is a small shrub with woody stem. Its leaves are used to make medicines. Its seeds and leaves are used to make food tasty.

Ans: (d)

• The incorrect statements are those that misrepresent facts about our body.
• Statement (a) is correct; the human body has approximately 600 muscles.
• Statement (b) is true; our facial expressions are indeed controlled by muscles.
• Statement (c) is incorrect; the heart is made of muscle tissue called cardiac muscle.
• Thus, the correct answer is (d) because it includes the incorrect statements A and C.

Ans: (d)

• Vehicles can use different types of fuels to run their engines.
• Petrol, Diesel, and CNG are all common types of fuel.
• Since all these options are valid fuels for vehicles, the correct answer is All of these.
• This means that vehicles can operate on any of the mentioned fuels.

Ans: (b)
Coconut is a tree from which we get coconut oil. Sunflower is a herb having soft stem, provides oil.

Ans: (d)

• The correct answer is ILSK, which refers to silk, a fiber produced by certain insects, particularly silkworms.
• Silk is known for its softness and luxurious feel, making it a popular material in clothing and textiles.
• The other options do not represent fibers obtained from insects: NLIEN is not a valid word, OTCTON refers to cotton which comes from plants, and OWLO is not related to any known fiber.
• Thus, the only correct answer that fits the description is ILSK.

Ans: (c)

• To find the correct answer, we need to remove every alternate letter starting from the first letter in each option.
• When we apply this to option (c) MDRISWPAOLBID, we get the letters M, R, S, P, O, B, which can be rearranged to spell Diwali, a well-known festival of lights.
• Other options do not yield a recognizable festival name when processed in the same way.
• Thus, the correct answer is option (c), which corresponds to the festival of lights.

Ans: (c)

• When you have a cut or wound, it is important to clean the area to prevent infection.
• Using a cotton swab dipped in antiseptic helps to kill germs and keep the wound clean.
• Options like not tying a bandage or avoiding first aid are not advisable as they can lead to complications.
• Always ensure to take proper care of wounds to promote healing and avoid further issues.

Ans: (d)

• Water is essential for many bodily functions, including digestion, temperature regulation, and waste elimination.
• All the statements provided are true regarding the role of water in our body.
• Thus, the option stating that none of these statements are incorrect is the right choice.
• In summary, water is crucial for maintaining health and supporting various bodily processes.

Ans: (d)
Crow, frog and lizard all eat insects and worms.

Ans: (d)

• The question asks to identify the odd one out among the options provided.
• Landline phone, letter, and post card are all traditional forms of direct communication.
• Radio, on the other hand, is a form of broadcast communication, which is different from the other three.
• Thus, the correct answer is (d) because it does not fit with the other types of communication listed.

Ans: (d)

• When a sick person coughs or sneezes, they release germs into the air.
• These germs are tiny organisms that can cause illness in others.
• Unlike water vapor, smoke, or dust, germs are specifically responsible for spreading diseases.
• Thus, it is important to cover your mouth when coughing or sneezing to prevent the spread of germs.

Ans: (b)

• Pond refers to a body of water that is typically still and smaller than a lake, making option (b) correct.
• Option (a) is incorrect because a valley is a low area between hills or mountains, not a small mountain itself.
• Option (c) is wrong as a plateau is a flat elevated area, not surrounded by water.
• Option (d) is incorrect since an ocean is a large body of saltwater, not freshwater.

Ans: (c)
1. Peacock is a bird 
2. Louse is an insect

Ans: (d)
Giraffe is a herbivorous animal that does not eat remains of dead animals.

Ans: (c)
These all are sense organs because: 
1. Tongue helps us to taste. 
2. Eyes helps us to see. 
3. Nose helps us to smell. 
4. Ear helps us to listen.
Hand is the part of sense organ which help us to feel, like: Hot, Cold, Soft, Hard, Rough, and Smooth.

Ans: (d)
Reproductive system helps to produce young ones as reproductive organs are present in them.

Ans: (a)

• The question asks to match materials with their corresponding uses or associations.
• Talcum powder is made from talc, which is a mineral, while granite is a type of rock.
• In this case, the correct match is that talcum powder is derived from talc, making option (a) correct.
• The other options do not correctly match the materials with their uses