/10 Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 12345678910 Chapter 13 : Our Environment 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 In a food chain with 4 trophic levels, if producers have 5,000 J, energy at fourth level will be 5 J 50 J 500 J 0.5 J 2 / 10 Around a polluted river, mercury concentration was highest in eagles. This is due to 10% law Energy pyramid Decomposition Biomagnification 3 / 10 Overgrazing in grassland leads to Soil erosion Energy increase Ozone formation Biomagnification 4 / 10 The 10% law explains Nutrient cycling Ozone depletion Photosynthesis Energy transfer 5 / 10 The second trophic level consists of Producers Decomposers Top carnivores Herbivores 6 / 10 A grazing food chain starts from Green plants Dead leaves Fungi Bacteria 7 / 10 The first consumers in a grazing food chain are Herbivores Carnivores Decomposers Omnivores 8 / 10 Flow of energy follows the direction Consumers → Sun Sun → Producers → Consumers Decomposers → Sun Carnivores → Producers 9 / 10 The top carnivores occupy the First trophic level Second trophic level Third trophic level Fourth trophic level 10 / 10 Burning plastics mainly produces Oxygen Nutrients Fertility Toxic gases Your score is 0% Restart quiz
