Class-3-Science Olympiad Questions and Answers
Class 3 Science Olympiad Questions with Answers are designed to strengthen young learners’ conceptual understanding of basic science topics such as plants, animals, energy, the human body, and natural phenomena. These aptitude test practice sets help students develop logical and scientific thinking through engaging, objective-type questions. Each question comes with an easy explanation to encourage curiosity and concept clarity. Olympiad-style aptitude questions and answers PDFs are perfect for both school-level and national-level exam preparation. Students can take free online tests to track progress and build confidence. This section is ideal for early learners aiming to excel in competitive school science exams.
Class-3-Science Olympiad
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157 questions
151. Which of the following means of transport has three wheels ?
- Bicycle
- Boat
- Auto rickshaw
- Truch
152. Which of the following takes least time to send the message ?
- Letter
- Telegram
- Messenger
153. Select the INCORRECT statement.
- The most expensive means of transport is water transport.
- the first metro service was started in Kolkata
- Bullock-cart is the common means of transport in village
- Submarine is a ship that can travel underwater.
154. Which of the following is NOT a good habit ?
- Do not speak while.
- Eat in a clean place.
- Eat lots of fruits and green vegetables.
- Buy food from roadside vendors.
155. Which of the following is NOT true about the Sun ?
- It is made up of a huge mass of very hot gases
- It looks bigger because it is the only big star found in the galaxy.
- It provides heat and light energy for the living things to survive on earth.
- It is not safe to look directly at the sun with our naked eye.
156. The water used for washing fruits and vegetables can be reused for ______
- Mopping floor
- Washing hands and face
- Watering plants
- Both (A) & (C)