♡ 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 👍 :1.1K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Hydrocarbon which may damage plants : ...
➣ For gravity settling chamber, settling velocity should ...
➣ When Environmental Lapse Rate equals to Adiabatic ...
➣ When Environmental Lapse Rate equals to Adiabatic ...
➣ Epinasty in leaves is due to : ...
➣ Radiations which are not deflected by magnetic ...
➣ Concentration of ozone in clean air is ...
➣ Hydrocarbons in the from of terpenes, as ...
➣ Chlorophyll loss in green plants is called ...
➣ Most dangerous hydrocarbon found in the automobile ...
❖ Take a qick MCQ Test on
➤ Pollution (Air and Noise)
➤ Steel Structure
➤ Irrigation
➤ Water Supply
➤ Miscellaneous
➤ Strength of Material
➤ Soil Mechanics and Foundation
➤ Surveying