♡ 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 👍 :2.4K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Most dangerous hydrocarbon found in the automobile ...
➣ A device in which gas is ...
➣ A shall discrete mass of solid or ...
➣ Main impact of Greenhouse effect is : ...
➣ Carbon monoxide has more affinity with haemoglobin ...
➣ The category of devices by which dust ...
➣ Pollutant standards Index (PSI) value in between ...
➣ Pollution of air due to smoking by ...
➣ A state in which warmer air lies ...
➣ Pollutant Standards Index (PSI) value greater than ...
❖ Take a qick MCQ Test on
➤ Surveying
➤ Miscellaneous
➤ Hydrology
➤ Irrigation
➤ Pollution (Air and Noise)
➤ Solid Waste and Waste Water Treatment
➤ Concrete Structure
➤ Concrete Technology