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Question 1 of 15
1. Question
The mass of living material at a trophic level at a particular time is called
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Question 2 of 15
2. Question
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Question 3 of 15
3. Question
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Question 4 of 15
4. Question
Which one of the following processes during decomposition is correctly described?
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Question 5 of 15
5. Question
Vertical distribution of different species occupying different levels in a biotic community is known as
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Question 6 of 15
6. Question
Arrange the following ecosystems in increasing order of mean NPP (Tonnes / ha / year)
A.Tropical deciduous forest
B.Temperate coniferous forest
C.Tropical rain forest
D.Temperate deciduous forest
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Question 7 of 15
7. Question
How much portion of the Photosynthetically Active Radiation (PAR) is captured by the plants?
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Question 8 of 15
8. Question
Most of the desert plants bloom during night time because
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Question 9 of 15
9. Question
Which ecosystem has the maximum biomass?
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Question 10 of 15
10. Question
During ecological succession
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Question 11 of 15
11. Question
The phosphorus cycle differs from the carbon cycle in that
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Question 12 of 15
12. Question
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Question 13 of 15
13. Question
Which of the following is not true of a pyramid of productivity?
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Question 14 of 15
14. Question
Which one of the following pairs is a sedimentary type of biogeochemical cycle ?
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Question 15 of 15
15. Question
Consider the following statements concerning food chains
(i)Removal of 80% tigers from an area resulted in greatly increased growth of vegetation
(ii)Removal of most of the carnivores resulted in an increased population of deers
(iii)The length of food chains is generally limited to 3-4 trophic levels due to energy loss
(iv)The length of food chains may vary from 2 to 8 trophic levels
Which two of the above statement are correct ?
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