Pre-Assessment Quiz Lake Rejuvenation

What does NPCA stands for

• National Plan for Conservation Advisory

• National Plan for Conservation of Aquatic Ecosystems

• National Planning Consecutive Agency

• National Plan of Conservation Agency

Which of the following is the physical monitoring of the lake?

• PH

• COD

• BOD

• Turbidity

____________ comes under the chemical monitoring of the lake

• Detergents

• Pathogens

• Conductivity

• Turbidity

Pollution enters into the water system as:

• Run off

• River Flow Transport

• Direct Discharge of Domestic and Industrial Waste

• Water Sediment Interface Causes the Pollution

___________ conditions are created by eutrophication

• Anaerobic

• Aerobic

      Lower BOD signifies

• 1. More oxygen is removed from water

• 1. Less oxygen is removed from water

• Water is Pure

• More Carbon Dioxide is Dissolved in Water

Which all should be included for data collection for lake rejuvenation ?

• Catchment of the lake

• Average Depth

• Sources of Pollution

• All of the Above

Heavy load of sediments to reservoirs would reduce __________

• Flow of water in that area

• Effective storage

• Total life of reservoir

• Total life and effective storage of reservoir

Common sources of excess nitrates and phosphates reaching lakes and streams is/are

• Septic systems/ Domestic sewage

• Agricultural fertilizers

• Animal food and manure

• Industrial waste water and sanitary landfills and garbage dumps

• All of the Above

    According to IMD, what intensity rainfall is considered under “intense” category

• 5-10 mm/hr

• 10-20 mm/hr

• 20-30 mm/hr

• 30-50 mm/hr

• 50-100mm/hr