♡ 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 👍 :1.1K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The Gaussion model is used for prediction ...
➣ Chlorophyll loss in green plants is called ...
➣ For gravity settling chamber, settling velocity should ...
➣ When Environmental Lapse Rate equals to Adiabatic ...
➣ The category of devices by which dust ...
➣ Killing of tissue from air pollutants is ...
➣ Carbon monoxide in air effects : ...
➣ Epinasty in leaves is due to : ...
➣ Leaf abscission is : ...
➣ Carbon monoxide has more affinity with haemoglobin ...
❖ Take a qick MCQ Test on
➤ Concrete Structure
➤ Solid Waste and Waste Water Treatment
➤ Water Supply
➤ Building Material
➤ Irrigation
➤ Miscellaneous
➤ Concrete Technology
➤ Transportation Engineering