♡ 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
➣ Hydrocarbon which may damage plants : ...
➣ Most commonly used control device for particulate ...
➣ Pollutant Standards Index (PSI) value greater than ...
➣ Lead exhausted from automobiles is responsible for ...
➣ A device in which consists of bags ...
➣ Pollutant standards Index (PSI) value in between ...
➣ Looping occurs when : ...
➣ What type of noise can be abated ...
➣ Leaf abscission is : ...
➣ Chlorophyll loss in green plants is called ...
❖ Take a qick MCQ Test on
➤ Steel Structure
➤ Transportation Engineering
➤ Concrete Structure
➤ Building Material
➤ Solid Waste and Waste Water Treatment
➤ Fluid Mechanics and Hydraulics
➤ Irrigation
➤ Surveying