♡ 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 👍 :721
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The category of devices by which dust ...
➣ Most dangerous hydrocarbon found in the automobile ...
➣ Most natural hydrocarbons in air from : ...
➣ Hydrocarbon which may damage plants : ...
➣ A device which dust in a gas ...
➣ Chlorophyll loss in green plants is called ...
➣ Hydrocarbons in the from of terpenes, as ...
➣ Pollution of air due to smoking by ...
➣ Pollutant standards Index (PSI) value in between ...
➣ Epinasty in leaves is due to : ...
❖ Take a qick MCQ Test on
➤ Soil Mechanics and Foundation
➤ Fluid Mechanics and Hydraulics
➤ Strength of Material
➤ Transportation Engineering
➤ Surveying
➤ Solid Waste and Waste Water Treatment
➤ Concrete Technology
➤ Building Material