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CBSE Class 12-science Answered

Measurement of biomass in terms of dry weight is more accurate. Why?
Asked by sunil2791 | 09 Feb, 2018, 06:30: PM
answered-by-expert Expert Answer
Dry weight is the exact mass of any body which remains constant but wet mass or body with water have variable mass as per water present in the body. The moisture content of a biomass may vary depending upon environmental or physiological conditions.
Answered by Sivanand Patnaik | 10 Feb, 2018, 11:35: AM

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CBSE 12-science - Biology
How are primary productivity and primary production expressed?
Asked by Gaurishrrivastava.28 | 25 Feb, 2019, 09:43: PM
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CBSE 12-science - Biology
what are edhapic factors , topography, benthic zone
Asked by pardeepkumar2281 | 08 Feb, 2019, 08:42: AM
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CBSE 12-science - Biology
Which of the following is the most diverse in a food chain? producers or decomposers?
Asked by imtiyazmulla68 | 16 Apr, 2018, 06:44: PM
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CBSE 12-science - Biology
Detritivores help in the process of decompsition which is one of the components of the functional ecosystem. Explain what happens to the detritus during the process.
Asked by pksunilnair | 24 Mar, 2018, 04:58: PM
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CBSE 12-science - Biology
All the primary productivity is not available to a herbivore. Give one reason. 
Asked by Topperlearning User | 13 Jun, 2014, 04:56: PM
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CBSE 12-science - Biology
Why is the rate of assimilation of energy at the herbivore level called secondary productivity? 
Asked by Topperlearning User | 19 Sep, 2016, 06:12: AM
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CBSE 12-science - Biology
What are primary consumers?
Asked by Topperlearning User | 19 Sep, 2016, 06:13: AM
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CBSE 12-science - Biology
(i) Define mineralisation. (ii) Justify the pitcher plant as a producer.
Asked by Topperlearning User | 19 Sep, 2016, 06:13: AM
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CBSE 12-science - Biology
Name the dominant producers in a deep aquatic ecosystem. What other name could you give to a primary consumer?
Asked by Topperlearning User | 13 Jun, 2014, 04:56: PM
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CBSE 12-science - Biology
What does secondary productivity in an ecosystem indicate? List any two factors by which productivity is limited in an aquatic ecosystem. 
Asked by Topperlearning User | 13 Jun, 2014, 04:56: PM
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