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
Showing 10 of
157 questions
1. I anchor the plant to the ground. I absorb water and mineral salts from the soil. What am I ?
- Root
- Stem
- Leaf
- Flower
3. A plant placed in a pot needs_____, _______ and ______to grow.
- Water, wind, fertilizer
- Snow, rain, sunlight
- Water, sunlight, air
- Darkness, water, air.
4. Leaves of different plants have different _______ and ______.
- Tiny openings; functions
- Shapes; sizes
- Functions; shapes
- Sizes; functions
5. In desert plants, leaves modify into thorns. How do thorns help a plant?
- They catch food
- They store water
- They protect the plant from being eaten by animals
- They make the plant attract bees
6. Plants take in and give out gases through tiny openings found in their _______.
- Fruits
- Leaves
- Roots
- Seeds
7. The seeds of a fruit play an important role because they ______.
- Make food for the plant
- Transport wanter for the plant
- Grow into new plants
- Protect the flowers of the plant.
8. Which one of the following match is INCORRECT?
- Roots _ Absorb water and mineral salts
- Stem _ Transports water and mineral salts to all parts of the plant
- Leaves _ Absorb water from air
- Seeds _ Grow into new plants.
9. Which of the pupils was/were correct?
- Anna only
- Ajay only
- Sandhya & Dev
- Anna, Sandhya & Ajay
10. A turtle pulls its head back into the shell for
- Protection
- Cooling
- Warming
- Exercising