What is B.O.D.:
1. The amount of utilized by organisms in the water
2. The amount of utilized by microorganisms for decomposition
3. The total amount of present in water
4. All of the above
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyEscherichia coli is used as an indicator organism to determine the pollution of water with:
1. Heavy metals
2. Faecal matter
3. Industrial effluents
4. Pollen of aquatic plants
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA major component of gobar gas is:
1. Methane
2. Ethane
3. Butane
4. Ammonia
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCommon indicator organism of water pollution is:
1. Eichhornia crassipes
2. Escherichia coli
3. Entamoeba histolytica
4. Lemna pancicostata
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology