♡ 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 👍 :1.0K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Main impact of Greenhouse effect is : ...
➣ The category of devices by which dust ...
➣ What type of noise can be abated ...
➣ Most dangerous hydrocarbon found in the automobile ...
➣ Concentration of ozone in clean air is ...
➣ Blue baze in forest area is produced ...
➣ Aerosols are defined as : ...
➣ For gravity settling chamber, settling velocity should ...
➣ A shall discrete mass of solid or ...
➣ Pollutant Standards Index (PSI) value greater than ...
❖ Take a qick MCQ Test on
➤ Concrete Structure
➤ Building Material
➤ Irrigation
➤ Pollution (Air and Noise)
➤ Solid Waste and Waste Water Treatment
➤ Strength of Material
➤ Surveying
➤ Transportation Engineering