/10 Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 12345678910 Chapter 12 : Ecosystem This Quiz Contains a set of 10 Questions. The Passing Cut-off is 60%. To start the Quiz, click on the Start Button. All the Best! 1 / 10 Abiotic factors include Plants and animals Temperature and rainfall Bacteria and fungi Consumers 2 / 10 If energy available at producer level is 20,000 kcal, then the energy available to tertiary consumer will be approximately 20 kcal 200 kcal 2,000 kcal 2000 J 3 / 10 An example of an artificial ecosystem is Forest Grassland Aquarium Pond 4 / 10 The second law of thermodynamics is related to Energy conservation Energy accumulation Energy multiplication Energy degradation 5 / 10 A food web provides greater stability to an ecosystem because It has more producers It has more decomposers It provides alternate food sources It limits energy flow 6 / 10 The pyramid of biomass in the sea is inverted because Phytoplankton have short life spans Energy loss is less Zooplankton are smaller Nutrients are limited 7 / 10 In an ecosystem, energy flow is always Bidirectional Multidirectional Unidirectional Cyclic 8 / 10 The energy available to a tertiary consumer in a food chain is derived ultimately from Secondary consumers Primary consumers Producers Decomposers 9 / 10 The efficiency of photosynthesis in green plants is about 0.1–0.2% 1–2% 10–20% 0.9 10 / 10 If 5% of sunlight energy is captured by producers, and respiration uses 20% of it, then the NPP will be 1% of total sunlight 2% of total sunlight 4% of total sunlight 0.5% of total sunlight Your score is 0% Restart quiz
