♡ 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
➣ The Gaussion model is used for prediction ...
➣ Radiations which are not deflected by magnetic ...
➣ Epinasty in leaves is due to : ...
➣ Pollutant standards Index (PSI) value in between ...
➣ Pollution of air due to smoking by ...
➣ A shall discrete mass of solid or ...
➣ For gravity settling chamber, settling velocity should ...
➣ A device in which gas is ...
➣ Rainluft process is used for : ...
➣ Hydrocarbon which may damage plants : ...
❖ Take a qick MCQ Test on
➤ Miscellaneous
➤ Transportation Engineering
➤ Soil Mechanics and Foundation
➤ Strength of Material
➤ Surveying
➤ Building Material
➤ Water Supply
➤ Concrete Structure