Important General Science MCQs From The lesson Water
 |
| Important General Science MCQs From The lesson Water |
Test your knowledge of water in general science with this set of multiple choice questions. Covering topics such as states of water, water cycle, and water resources.
Percentage of water on earth surface is about...
A) 50%
B) 60%
C) 70% 🔴
D) 80%
📚📚📚📚📚📚📚
Pesticides and fertilizers are the source of...
A) domestic waste
B) agriculture waste 🔴
C) industrial waste
D) Acid rain
📚📚📚📚📚📚📚
Harmful bacteria are removed from water by passing...
A) oxygen gas
B) nitrogen gas
C) chlorine gas 🔴
D) CO2
📚📚📚📚📚📚📚
Suspended particles from drinking water are removed by....
A) table salt
B) potash alum 🔴
C) charcoal
D) chlorine
📚📚📚📚📚📚📚
Distillation is a technique of...
A) separation 🔴
B) preparation
C) disinfection
D) filtration
📚📚📚📚📚📚📚
Which of the following is an essential element for life?
A) house
B) cloths
C) water 🔴
D) shelter
📚📚📚📚📚📚📚
It is impossible for life to sustain itself without ...
A) water 🔴
B) salt
C) cloth
D) CNG
📚📚📚📚📚📚📚
Presence of water droplets at the outer surface of chilled glass water indicates the physical phenomena of...
A) condensation 🔴
B) transpiration
C) filtration
D) diffusion
📚📚📚📚📚📚📚
________ water destroys aquatic life and reduces its reproductive ability..
A) contaminated 🔴
B) unadulterated
C) undiluted
D) untainted
📚📚📚📚📚📚📚
The percentage of water in Ocean is....
A) 70%
B) 80%
C) 90%
D) 97% 🔴
📚📚📚📚📚📚📚
Substances that cause water pollution are called....
A) pollution
B) polly
C) pollutants 🔴
D) all of these