♡ 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 👍 :921
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ A shall discrete mass of solid or ...
➣ Hydrocarbon which may damage plants : ...
➣ Carbon monoxide has more affinity with haemoglobin ...
➣ Concentration of krypton in clean air is ...
➣ Killing of tissue from air pollutants is ...
➣ Chlorophyll loss in green plants is called ...
➣ Most natural hydrocarbons in air from : ...
➣ Hydrocarbons in the from of terpenes, as ...
➣ Lead exhausted from automobiles is responsible for ...
➣ Pollutant standards Index (PSI) value in between ...
❖ Take a qick MCQ Test on
➤ Building Material
➤ Transportation Engineering
➤ Surveying
➤ Irrigation
➤ Soil Mechanics and Foundation
➤ Pollution (Air and Noise)
➤ Strength of Material
➤ Concrete Structure