AQUATIC ECOSYSTEM- FRESH WATER ECOLOGY Q.1 : What is fresh water?Ans : Water without salts.Q.2 : List any four fresh water bodies:Ans : 1.River 2.Lake 3.Pond 4.StreamQ.3 : What of type of ecosystem is frond in river & steam.Ans : Lotic ecosystem.Q.4 : What is direction of flow of a river ?Ans : From mountain to sea.Q.5 : Does any river originate from seas.Ans : No Q.6 : What is Dam ?Ans : Manmade barrage across a river for irrigations, supply of drinking water & generation of hydro electricity.Q.7 : List different sources of drinking water in villages ? Ans : 1.Pond 2 .Dug well 3. Tube well 4. Hand Pump.Q.8 : What is full form of FAO ?Ans : Food and Agriculture Organization.Q.9 : List three types of terrestrial ecosystems?Ans : 1.Forest 2. Grassland 3. DesertQ.10 : Which is the biggest ecosystem of the world?Ans : Ocean.Q.11 : Which is the most stable ecosystem?Ans : Ocean. Q.12 : Which countries are facing the problem of natured fresh water?Ans : Arab Countries. Q.13 : List any three water borne diseases. Ans : (1) Cholera (2) Dysentery (3) JaundiceQ.14 : What is an Ecosystem ?Ans : Interaction between the organism and environment. Q.15 : List two components of Ecosystem.Ans : 1.Biotic 2.Abiotic Q.16 : Name three abiotic components of pond Ecosystem ? Ans : 1.Sunlight 2.Temperature 3.Minerals and WaterQ.17 : Name three biotic components of an ecosystem .Ans : 1. Producers 2.Consumers 3.DecomposersQ.18 : What are produced in a pond ecosystem?Ans : Phytoplankton like Algae and sub-merged plants like Hydrilla as well as rooted floating plants like water lily.Q.19 : What are consumers of a pond ecosystem?Ans : Zoo planktons, small fish, big fish and pelican.Q.20 : What is the cause of the death of organism in lakes and ponds?Ans : Addition of sewage and industrial wastes by man.Q.21 : Which Govt. Organization looks after the quality of water?Ans : Pollution control board. >> Q.1 : What is fresh water?Ans : Water without salts.Q.2 : List any four fresh water bodies:Ans : 1.River 2.Lake 3.Pond 4.StreamQ.3 : What of type of ecosystem is frond in river & steam.Ans : Lotic ecosystem.Q.4 : What is direction of flow of a river ?Ans : From mountain to sea.Q.5 : Does any river originate from seas.Ans : No Q.6 : What is Dam ?Ans : Manmade barrage across a river for irrigations, supply of drinking water & generation of hydro electricity.Q.7 : List different sources of drinking water in villages ? Ans : 1.Pond 2 .Dug well 3. Tube well 4. Hand Pump.Q.8 : What is full form of FAO ?Ans : Food and Agriculture Organization.Q.9 : List three types of terrestrial ecosystems?Ans : 1.Forest 2. Grassland 3. DesertQ.10 : Which is the biggest ecosystem of the world?Ans : Ocean.Q.11 : Which is the most stable ecosystem?Ans : Ocean. Q.12 : Which countries are facing the problem of natured fresh water?Ans : Arab Countries. Q.13 : List any three water borne diseases. Ans : (1) Cholera (2) Dysentery (3) JaundiceQ.14 : What is an Ecosystem ?Ans : Interaction between the organism and environment. Q.15 : List two components of Ecosystem.Ans : 1.Biotic 2.Abiotic Q.16 : Name three abiotic components of pond Ecosystem ? Ans : 1.Sunlight 2.Temperature 3.Minerals and WaterQ.17 : Name three biotic components of an ecosystem .Ans : 1. Producers 2.Consumers 3.DecomposersQ.18 : What are produced in a pond ecosystem?Ans : Phytoplankton like Algae and sub-merged plants like Hydrilla as well as rooted floating plants like water lily.Q.19 : What are consumers of a pond ecosystem?Ans : Zoo planktons, small fish, big fish and pelican.Q.20 : What is the cause of the death of organism in lakes and ponds?Ans : Addition of sewage and industrial wastes by man.Q.21 : Which Govt. Organization looks after the quality of water?Ans : Pollution control board.
Posted on: Sat, 08 Mar 2014 04:32:02 +0000
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