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#5 | Energy Flow
(Botany) > Ecosystem

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Related Practice Questions :

Plants capture approximately __________________ of the sun's energy while other trophics levels capture about _________________ of the energy available to them in their food.

1. 1%, 10%

2. 10%, 60%

3. 10%, 1%

4. 60%, 10%

 60%
From NCERT
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Which trophic level is incorrectly defined?
1. Carnivores- secondary or tertiary consumer
2. Decomposer- microbial heterotrophs
3. Herbivores - primary consumer
4. Omnivores - Molds, yeast and mushrooms

 81%
From NCERT
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What percent of energy in the sunlight availble to the primary producers is converted by them into net primary productivity ?
1. 1
2. 2
3. 5
4. 10 

 56%
From NCERT
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The second trophic level in a lake is:

1. Phytoplankton

2. Zooplankton

3. Benthos

4. Fishes

 87%
From NCERT
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Most food chains are composed of 

1. 1 or 2 species

2. 3 or 4 species

3. 9 or 10 species

4. More than 16 species

 76%
From NCERT
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