Punjab 10th Class Biology Chapter 7 Man & His Environment Mcqs Test Online Punjab 10th Class Biology Chapter 7 Man & His Environment Online Test 12345678 Question 1 of 8Biology 1. In ecosystems, the flow of _________ is one way, while _________ is/are constantly recycled. 1.Minerals, energy 2.Glucose, water3.Oxygen, energy 4.Energy, minerals Question 1 of 8Question 2 of 8 2. Organisms in the ecosystem that are responsible for the recycling of plant and animal wastes are: 1.Producers 2.Consumers 3.Decomposers 4.Competitors Question 2 of 8Question 3 of 8 3. Which of the following is the abiotic component of the ecosystem? 1.Carnivores 2.Oxygen 3.Producers 4.Herbivores Question 3 of 8Question 4 of 8 4. In the food chain tree → caterpillar → robin → hawk → coyote, which is the secondary consumer? 1.Caterpillar 2.Robin 3.Coyote4.Hawk Question 4 of 8Question 5 of 8 5. Which form of Nitrogen is taken by the producers of the ecosystem? 1.Nitrogen gas 2.Nitrates 3.Ammonia 4.Nitrites Question 5 of 8Question 6 of 8 6. When we eat onions, our trophic level is; 1.Decomposer 2.Producer 3.Primary consumer 4.Secondary consumer Question 6 of 8Question 7 of 8 7. Identify the correctly matched pair: 1.Rainfall – biotic factors in ecosystem 2.Renewable natural resource – air 3.Corn – secondary consumer 4.Global warming – formation of fossil fuels Question 7 of 8Question 8 of 8 8. In the food chain “grass → rabbit → fox → bear → mushroom”, how many types of decomposers are present? 1.42.2 3.1 4.3 Question 8 of 8 Loading... Test By Subject Punjab Test By Topics 10th Class Biology You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.