♡ 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 👍 :2.0K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ For gravity settling chamber, settling velocity should ...
➣ Carbon monoxide has more affinity with haemoglobin ...
➣ Rainluft process is used for : ...
➣ Leaf abscission is : ...
➣ The category of devices by which dust ...
➣ Lead exhausted from automobiles is responsible for ...
➣ Concentration of krypton in clean air is ...
➣ Most commonly used control device for particulate ...
➣ Most natural hydrocarbons in air from : ...
➣ A state in which warmer air lies ...
❖ Take a qick MCQ Test on
➤ Solid Waste and Waste Water Treatment
➤ Surveying
➤ Soil Mechanics and Foundation
➤ Strength of Material
➤ Concrete Technology
➤ Transportation Engineering
➤ Fluid Mechanics and Hydraulics
➤ Irrigation