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The upright pyramid of number is absent ...

The upright pyramid of number is absent in

A

pond

B

forest

C

lake

D

grassland

Text Solution

Verified by Experts

The correct Answer is:
B
Pyramid of number represents the number of individuals per unit area at various trophic levels. It is always upright in grassland, pond and lake ecosystems But in forest or single tree ecosystem, it is spindle - shaped and if parasitic food chain is considered, then it will be an inverted pyramid .
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  1. Secondary productivity is rate of formation of new organic matter by:

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  2. Trophic level of food chain having greatest amount of energy is

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  3. The upright pyramid of number is absent in

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  4. Maximum contribution of oxgyen is got from

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  5. The biomass available for consumption by the herbivores and the decomp...

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  6. In an ecosystem , at a particular time, standing crop includues

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  7. In a pyramid of biomass, if the total dry weight (kg//m^(2)) of primar...

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  8. Given below is an imaginary pyramid of numbers. What could be one of t...

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  9. Which one of the following is not a functional unit of an ecosystem

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  10. Identify the likely organisms I, II, III and IV in the food web shown ...

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  11. The important steps in the process of decomposition are

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  12. Trophic levels in ecosystem is formed by

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  13. Which one of the following statements is correct for secondary success...

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  14. Which one of the following statements for pyramid of energy is incorre...

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  15. Select the correct match: {:(1,"Sedimentary nutrient cycle",,"Nitr...

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  16. Which of the following statements regarding food chain is false?

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  17. Study the four statement (i-iv) given below and select the two correct...

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  18. The biomass available for consumption by the herbivores and the decomp...

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  19. Which of the following is false ?

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  20. Select the formula for ecological efficiency:

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