♡ 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 👍 :2.4K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Most natural hydrocarbons in air from : ...
➣ Leaf abscission is : ...
➣ A device in which gas is ...
➣ Pollutant Standards Index (PSI) value greater than ...
➣ The category of devices by which dust ...
➣ When Environmental Lapse Rate equals to Adiabatic ...
➣ A state in which warmer air lies ...
➣ Hydrocarbon which may damage plants : ...
➣ The Gaussion model is used for prediction ...
➣ Pollution of air due to smoking by ...
❖ Take a qick MCQ Test on
➤ Steel Structure
➤ Concrete Structure
➤ Surveying
➤ Pollution (Air and Noise)
➤ Concrete Technology
➤ Transportation Engineering
➤ Water Supply
➤ Hydrology