Science mcqs questions
Here is the MCQs guide for the topic of Science. you will find various types of questions along with there answers in this
| Q. | The yellow colour in photochemical smog is due to the presence of____________? A.
Sulphur dioxide B.
Carbon dioxide C.
Nitrogen dioxide D.
CFC’s Show Answer |
| Q. | Why normal rain is slightly acidic? A.
due to presence of dust in air B.
carbon dioxide and water in clouds react to form carbonic acid C.
Ozone depletion D.
All of these Show Answer |
| Q. | Disolved oxygen (DO) in water should be? A.
4 to 5 ppm B.
400 to 800 ppm C.
0.4 to 0.5 ppm D.
4000 to 8000 ppm Show Answer |
| Q. | Montreal Protocol 1987 was__________? A.
Treaty to protect ozone layer B.
Treaty among nations to reduce nuclear arsenals C.
Climate control treaty D.
Trade policy about tarrifs Show Answer |
| Q. | How many meters are in one mile? A.
1409.34 B.
1509.34 C.
1609.34 D.
1709.34 Show Answer |
| Q. | As a result of which treaty, ozone hole in Antarctica is slowly healing? A.
Koyoto protocol B.
Ottawa treaty C.
Montreal protocol D.
Oslo Accord Show Answer |
| Q. | Chemical Name of Dry Ice? A.
Solid Carbon Dioxide B.
Calcium Carbon C.
Sodium Oxide Show Answer |
| Q. | Moon is a__________? A.
Star B.
Plant C.
Satellite D.
Star and Planet Show Answer |
| Q. | The scientific study of measurement is known as __________? A.
Entomology B.
Ichthyology C.
Metrology Show Answer |
| Q. | The study of organisms and their environment is known as ________? A.
Ecology B.
Acoustics C.
Ichthyology Show Answer |