Olympiad Test: Classification - 1 - Class 5 MCQ

• A pen, eraser, and sharpener are all stationery items used for writing, correcting, and sharpening pencils, respectively.
• A toy, on the other hand, is not related to stationery and is an item used for play and entertainment. Therefore, "Toy" does not belong to the group.

• Apple, Banana, and Water-melon are all fruits that are typically sweet and consumed as a snack or dessert.
• Cucumber, however, is a vegetable, often used in salads or savory dishes rather than eaten as a sweet fruit. Therefore, "Cucumber" does not belong to the group.

• Bus, Tractor, and Truck are all motorized vehicles used for transportation, either for people or goods.
• Horse cart, on the other hand, is a non-motorized vehicle that is drawn by horses, making it different from the other options which are motorized. Therefore, "Horse cart" does not belong to the group.

• Root, Trunk, and Leaf are all specific parts of a tree.
• Tree refers to the whole plant, whereas the other options refer to individual components of the tree. Therefore, "Tree" does not belong to the group.

• Pigeon, Crow, and Koel are all specific names of birds.
• Bird is a general term for the entire category of animals that includes pigeons, crows, and koels, making it different from the others which are specific types of birds. Therefore, "Bird" does not belong to the group.

• Merchant, Seller, and Hawker are all involved in the business of buying and selling goods or services.
• Advocate, however, is a legal professional who provides legal services, and is not involved in buying or selling goods. Therefore, "Advocate" does not belong to the group.

• Chair, Table, and Stool are all pieces of furniture typically used for sitting, working, or eating.
• Mat, on the other hand, is not a piece of furniture but a soft or flat surface used for various purposes like sitting, decoration, or protection. Therefore, "Mat" does not belong to the group.

• Hands, Legs, and Ears are all found in pairs in the human body.
• Nose, however, is a single organ and is not found in pairs. Therefore, "Nose" does not belong to the group.

• Kilogram, Ton, and Quintal are all units of mass.
• Metre, on the other hand, is a unit of length, not mass. Therefore, "Metre" does not belong to the group.

• Physics, Chemistry, and Biology are all branches of science.
• History, however, is a subject related to the study of past events and is not considered a science subject. Therefore, "History" does not belong to the group.

• Influenza, Swine flu, and AIDS are all diseases caused by viruses.
• Rickets, on the other hand, is a deficiency disease caused by a lack of vitamin D, calcium, or phosphate, not by a virus. Therefore, "Rickets" does not belong to the group.

• Violet, Blue, and Orange are all colors found in the rainbow (the visible spectrum of light).
• Black, however, is not a color found in the rainbow, as it is the absence of color. Therefore, "Black" does not belong to the group.

• Milk, Tea, and Squash are all beverages that are typically consumed as drinks.
• Butter, on the other hand, is a dairy product that is used as a spread or in cooking, not as a drink. Therefore, "Butter" does not belong to the group.

• Dhaka, Kathmandu, and New Delhi are all capital cities of their respective countries (Bangladesh, Nepal, and India).
• Bengaluru, however, is not the capital of India (its capital is New Delhi). Bengaluru is a major city in the state of Karnataka. Therefore, "Bengaluru" does not belong to the group.

Except (C), all have definite order.