♡ 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 👍 :1.0K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Pollutant Standards Index (PSI) value greater than ...
➣ Killing of tissue from air pollutants is ...
➣ A device in which consists of bags ...
➣ Hydrocarbons in the from of terpenes, as ...
➣ Pollution of air due to smoking by ...
➣ The category of devices by which dust ...
➣ A device in which gas is ...
➣ Main impact of Greenhouse effect is : ...
➣ Air pollution from a variety of source ...
➣ Most commonly used control device for particulate ...
❖ Take a qick MCQ Test on
➤ Building Material
➤ Surveying
➤ Water Supply
➤ Pollution (Air and Noise)
➤ Hydrology
➤ Concrete Technology
➤ Irrigation
➤ Fluid Mechanics and Hydraulics