♡ 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 👍 :2.7K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Lead exhausted from automobiles is responsible for ...
➣ A state in which warmer air lies ...
➣ Carbon monoxide in air effects : ...
➣ Concentration of krypton in clean air is ...
➣ A blue line along the gum is ...
➣ Most dangerous hydrocarbon found in the automobile ...
➣ Pollution of air due to smoking by ...
➣ Chlorophyll loss in green plants is called ...
➣ The Gaussion model is used for prediction ...
➣ Chlorophyll loss in green plants is called ...
❖ Take a qick MCQ Test on
➤ Water Supply
➤ Soil Mechanics and Foundation
➤ Irrigation
➤ Steel Structure
➤ Hydrology
➤ Strength of Material
➤ Solid Waste and Waste Water Treatment
➤ Surveying