Class-3-Science Olympiad MCQ Question and Answer
Class-3-Science Olympiad MCQ Question and Answer
21. Which of the following in a misfortune brought by water?
- Water breaks into flood
- It quenches out thirst
- It waters field
- It fills up lakes and springs
23. Mr. Verma reuses water which was used to wash vegetables, to water his plants. He is practising _________ off water.
- Pollution
- Conservation
- Evaporation
- Desalination
25. Select the INCORRECT statement.
- Water exists in three forms
- All living things need water
- Sea water is sweet
- Impure water causes diseases.
26. Which sequence shows the correct changes in the state of water during melting?
- Solid ----> Liquid
- Liquit ----> Gas
- Gas ------> Solid
- Liquid -----> Solid
27. Given below are names of four food items. Three out of the four are some what similar to each other. Find the odd one out ?
- Egg
- Butter
- Meat
- Broccoli
28. Which of the following oils can be used for cooking ?
- Mustard oil
- Coconut oil
- Groundnut oil
- All of these
29. I am a land plant. My leaves are used as vegetable and seeds are used to produce oil.
The description is about
- Mustard
- Spinach
- Broccoli
- Cabbage
30. I often taste delicious. but my job is to hold and protect the seed. 'I' stands for
- Flower
- Root
- Fruit
- Leaves