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Asked by somyap | 25 May, 2010, 10:27: AM
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CBSE 10 - Biology
(A)Assertion : aquarium needs to be cleaned regularly (R)Reason : In an aquarium there is no microbes to clean the water.   a) both A and R are true and R is correct explaination for A.  b) both A and R are true but R notthe correct explanation of c)  A is true R is false d) A is false R is true         
Asked by karthikeyanponraj0109 | 30 Dec, 2022, 10:14: PM
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CBSE 10 - Biology
What is the difference between a food chain and a food web?
Asked by sagarmishra | 06 Jul, 2022, 05:02: PM
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CBSE 10 - Biology
Why is nutrient cycle in ecosystem called as bio geo chemical cycle . How geological factors affect it  What chemical reactions take place in nutrient cycling.
Asked by saradamahapatra9999 | 15 Mar, 2022, 03:06: PM
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CBSE 10 - Biology
What will happen if we kill all the organisms in one trophic level  
Asked by magic99505 | 13 Nov, 2021, 03:58: PM
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CBSE 10 - Biology
biomagnification
Asked by siyashandilya1234 | 12 Apr, 2021, 08:50: AM
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CBSE 10 - Biology
Is food web a combination of food chains?
Asked by adipadmakarri | 21 Jan, 2021, 10:58: PM
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CBSE 10 - Biology
What are trophic levels Give example of food chain state the different tropic levels.  
Asked by chinmaypatil34.10tpstl | 22 Dec, 2020, 10:37: AM
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CBSE 10 - Biology
If the following food chain 5 J of energy is available to man, How much energy was available at producer level?   Plant --------> Sheep --------->Man
Asked by gourikori21 | 09 Dec, 2020, 03:12: PM
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CBSE 10 - Biology
Why is damage to ozone layer is a cause of concern? Why steps are  being taken to limit this damage?
Asked by saketarnav2005 | 29 Oct, 2020, 09:23: AM
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CBSE 10 - Biology
how will the unutilized energy of an organism be released in the air?
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Asked by acshanadhana15 | 17 Sep, 2020, 12:05: PM
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