NSO Level 1- Science Olympiad (SOF) Class 5: Questions 250 - 254 of 454
Access detailed explanations (illustrated with images and videos) to 454 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Unlimited Access for Unlimited Time!
View Sample Explanation or View Features.
Rs. 300.00 or
How to register?
Question number: 250
» Water
Question
________ kills the germs from the water.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Condenses | |
b. | Freezing | |
c. | Boiling | |
d. | Purified | |
Question number: 251
» Water
Question
What happens to the water table of a place having droughts for a long period of time?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | It gets lower because of continuous evaporation and flow | |
b. | It gets higher because of continuous evaporation and flow | |
c. | It gets replenished continuously | |
d. | It remains the same because soil protects it from the heat | |
Question number: 252
» Water
Question
Which of the following is a correct sentence about recycled water?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Blackwater is water that has been mixed with waste from the toilet. | |
b. | You can use your collected water for flushing the toilet. | |
c. | Place your colander over a large pot to collect the water while you’re washing. | |
d. | All a. , b. and c. are correct | |
Question number: 253
» Water
Question
The method used to separate insoluble impurities from water ________.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Filtration | |
b. | Evaporation | |
c. | Condensation | |
d. | Decantation | |
Question number: 254
» Water
Question
Rainwater harvesting is
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Allowing water to go into rivers and lakes | |
b. | Storing ground water by not using water from the wall | |
c. | To stop growing crops to save water | |
d. | Collecting rainwater and storing it for later use. | |