♡ 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 👍 :1.6K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The category of devices by which dust ...
➣ Looping occurs when : ...
➣ Concentration of ozone in clean air is ...
➣ Leaf abscission is : ...
➣ Epinasty in leaves is due to : ...
➣ Lead exhausted from automobiles is responsible for ...
➣ Carbon monoxide has more affinity with haemoglobin ...
➣ Killing of tissue from air pollutants is ...
➣ Radiations which are not deflected by magnetic ...
➣ A shall discrete mass of solid or ...
❖ Take a qick MCQ Test on
➤ Soil Mechanics and Foundation
➤ Irrigation
➤ Transportation Engineering
➤ Concrete Structure
➤ Surveying
➤ Hydrology
➤ Miscellaneous
➤ Steel Structure