NEET Foundation-Zoology-Ecology and Environment Test-6

1. Which of the following ecological pyramids can be both upright and inverted?


2. Which of the following ecological pyramids is most representative of functional characteristics of an ecosystem?


3. If producer is a large tree that supports a number of herbivorous animals which are further attacked by ectoparasites, the pyramid of number shall be


4. The following is an aquatic ecosystem


5. The following conditions are useful for buildup of organic materials by inhibiting decom-position


6. The organisms which are not represented in ecological pyramids.


7. Water soluble inorganic nutrients go down into the soil and get participated as unavailable salts This process known as


8. The specific inverted pyramids of food chains from the following are


9. Further degradation of humus is known as


10. The biomass available for herbivores and decomposers is


11. In an ecosystem entropy means


12. In an aquatic ecosystem, the organisms that occupy the second trophic level in a food chain are


13. Amount of incident solar radiation that is captured by plants in photosynthesis


14. Which of the following is a detritus food chain?


15. The most important climatic factors that regulate docomposition through their effects on the activites of soil microbes are


16. In a food chain phytoplankton —> zoo-> plankton—->small fish squid—->seal, what is the trophic level of seal?


17. Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem?


18. The food chain ends with


19. According to many ecologists the entire biosphere is regarded as


20. Largest of all aquatic ecosystem