Class-3-Science Olympiad Questions and Answers

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Q1
I anchor the plant to the ground. I absorb water and mineral salts from the soil. What am I ?
  • A Root
  • B Stem
  • C Leaf
  • D Flower
Answer: Option A
Q2
Plants get water and minerals from the ___________.
  • A Soil
  • B Sunlight
  • C Stem
  • D Seeds
Answer: Option A
Q3
A plant placed in a pot needs_____, _______ and ______to grow.
  • A Water, wind, fertilizer
  • B Snow, rain, sunlight
  • C Water, sunlight, air
  • D Darkness, water, air.
Answer: Option C
Q4
Leaves of different plants have different _______ and ______.
  • A Tiny openings; functions
  • B Shapes; sizes
  • C Functions; shapes
  • D Sizes; functions
Answer: Option B
Q5
In desert plants, leaves modify into thorns. How do thorns help a plant?
  • A They catch food
  • B They store water
  • C They protect the plant from being eaten by animals
  • D They make the plant attract bees
Answer: Option C
Q6
Plants take in and give out gases through tiny openings found in their _______.
  • A Fruits
  • B Leaves
  • C Roots
  • D Seeds
Answer: Option B
Q7
The seeds of a fruit play an important role because they ______.
  • A Make food for the plant
  • B Transport wanter for the plant
  • C Grow into new plants
  • D Protect the flowers of the plant.
Answer: Option C
Q8
Which one of the following match is INCORRECT?
  • A Roots _ Absorb water and mineral salts
  • B Stem _ Transports water and mineral salts to all parts of the plant
  • C Leaves _ Absorb water from air
  • D Seeds _ Grow into new plants.
Answer: Option C
Q9
Which of the pupils was/were correct?
  • A Anna only
  • B Ajay only
  • C Sandhya & Dev
  • D Anna, Sandhya & Ajay
Answer: Option D
Q10
A turtle pulls its head back into the shell for
  • A Protection
  • B Cooling
  • C Warming
  • D Exercising
Answer: Option A
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