Class-3-Science Olympiad MCQ Question and Answer
Class-3-Science Olympiad MCQ Question and Answer
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