Marine Pollution

Marine Pollution
Lead usually becomes grayish, after being exposed to;
Nutrients
Chemicals
Water
All of above
Author: rikazzz Comment
Marine Pollution
How much shipping containers got lost accidently at sea?
7000
5000
2000
10000
Author: rikazzz Comment
Marine Pollution
Some bacteria transforms, nitrate ions back into nitrogen gas, the resulting process is known as:
Nitrogen fixation
Ammonification
Denitrification
Nitrification
Author: rikazzz Comment
Marine Pollution
Toxaphene’ is a mixture, composed of approximately;
800 organic compound
700 organic compound
200 organic compound
All of them
Author: rikazzz Comment
Marine Pollution
The lower the medial lethal dose, the higher is the;
Toxicity
solubility
Heat reaction
Dosage quantity
Author: rikazzz Comment
Marine Pollution
The life expentancy of ‘PAHs’ are usually much shorter in;
Sea
Oceans
clear water
rivers
Author: rikazzz Comment
Marine Pollution
Affymetrix gene’ chip is a type of;
DNA
Biodegradation
Array
Bioventing
Author: rikazzz Comment
Marine Pollution
In ammonification, ammonia is produced from;
Living organisms
Dead organisms
Soils
Minerals
Author: rikazzz Comment
Marine Pollution
Arsenic’ is capable of being occured in four different;
Compounds
Ions
Reduction State
All of above
Author: rikazzz Comment
Marine Pollution
In humans, an oral dosage ranges between 5 to 50 mg/kg, characterized as:
Very Toxic
Super Toxic
Slightly Toxic
Extremely Toxic
Author: rikazzz Comment

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