♡ 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 👍 :1.9K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ What type of noise can be abated ...
➣ Carbon monoxide in air effects : ...
➣ Rainluft process is used for : ...
➣ Most natural hydrocarbons in air from : ...
➣ Hydrocarbons in the from of terpenes, as ...
➣ Epinasty in leaves is due to : ...
➣ A device in which consists of bags ...
➣ Blue baze in forest area is produced ...
➣ A device in which gas is ...
➣ Radiations which are not deflected by magnetic ...
❖ Take a qick MCQ Test on
➤ Water Supply
➤ Concrete Structure
➤ Strength of Material
➤ Transportation Engineering
➤ Miscellaneous
➤ Pollution (Air and Noise)
➤ Fluid Mechanics and Hydraulics
➤ Hydrology