♡ Login
Home
Previous Papers
★
MCQs
Civil Engineering
Pollution (Air and Noise)
A blue line along the gum is ...
Que.
A blue line along the gum is caused by :
A.
virus
B.
protozoa
C.
suspended particulates
D.
lead poisoning
Right Answer is :
✓ D. lead poisoning
⚑ Report
Views 👍 :447
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Most commonly used control device for particulate ...
➣ Lead exhausted from automobiles is responsible for ...
➣ A device which dust in a gas ...
➣ The Gaussion model is used for prediction ...
➣ Carbon monoxide in air effects : ...
➣ Pollutant standards Index (PSI) value in between ...
➣ Epinasty in leaves is due to : ...
➣ A device in which consists of bags ...
➣ Concentration of krypton in clean air is ...
➣ Rainluft process is used for : ...
❖ Take a qick MCQ Test on
➤ Miscellaneous
➤ Strength of Material
➤ Building Material
➤ Steel Structure
➤ Soil Mechanics and Foundation
➤ Water Supply
➤ Solid Waste and Waste Water Treatment
➤ Hydrology