♡ 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 👍 :1.2K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Chlorophyll loss in green plants is called ...
➣ When Environmental Lapse Rate equals to Adiabatic ...
➣ What type of noise can be abated ...
➣ A device which dust in a gas ...
➣ Main impact of Greenhouse effect is : ...
➣ Most natural hydrocarbons in air from : ...
➣ Radiations which are not deflected by magnetic ...
➣ Lead exhausted from automobiles is responsible for ...
➣ Hydrocarbons in the from of terpenes, as ...
➣ Pollution of air due to smoking by ...
❖ Take a qick MCQ Test on
➤ Miscellaneous
➤ Building Material
➤ Steel Structure
➤ Surveying
➤ Hydrology
➤ Transportation Engineering
➤ Solid Waste and Waste Water Treatment
➤ Water Supply