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
141. A plant shown in the figure is a ______
- Thorny plant
- Water plant
- Land plant
- Desert Plant
142. A plant placed in a pot needs ______, _______ and _______ to grow.
- Water, wind, fertilizer
- Snow, rain, sunlight
- Water, sunlight,air
- Darkness, water, air
143. The given flow chart shows that _______ Seed---->Seedling ----->Plant
- Plant can move
- Plant can grow
- Plant eats food
- Plant cannot grow
144. Motor boats, ships, sail boats and submarines are the examples of ______
- Air transport
- Land transport
- Water transport
- None of these
145. A rat was placed in a closed jar with some grains. after some time the rat died because _______
- There was no water in the jar
- There were not enough grains in the jar
- There was no air in the jar
- There was no light in the jar
146. "Table" can be placed under which group ?
- Group X
- Group Y
- Both (A) & (B)
- None of these
147. "Dog" can be placed under which group ?
- Group X
- Group Y
- Both (A) & (B)
- None of these
148. Which of the following is NOT a quality of a good house ?
- It should be safe.
- It should have a clean supply of drinking water.
- It should have well ventilated rooms.
- It should not have trees near it.
149. Monika had some problem in her teeth. she visited the dentist last week. Her dentist may have advised her _____
- Not to eat a lot of chocolates
- Rinse her mouth after eating anything
- Brush teeth twice a day
- All of these
150. You will find me selling medicines in a medicine shop. I am a ______
- Chemist
- Doctor
- Nurse
- Surgeon