MCQ questions for class 7 Science Chapter 17 Forests: Our Lifeline
Question 1: Which of the following is not a function of forests?
Providing habitat for wildlife
Regulating the flow of rivers
Increasing soil fertility
Increasing air pollution
Question 2: What is the term for the process by which plants release water vapor into the atmosphere?
Transpiration
Precipitation
Evaporation
Condensation
Question 3: Which of the following is a type of forest ecosystem found in areas with high rainfall and temperature?
Deciduous forest
Tropical rainforest
Coniferous forest
Taiga
Question 4: What is the term for the layer of trees in a forest that remains green throughout the year?
Deciduous layer
Evergreen layer
Coniferous layer
Shrub layer
Question 5: Which of the following is a type of forest ecosystem found in cold regions with coniferous trees?
Deciduous forest
Tropical rainforest
Coniferous forest
Taiga
Question 6: What is the term for the process by which green plants prepare their food using sunlight, carbon dioxide, and water?
Photosynthesis
Transpiration
Respiration
Germination
Question 7: Which of the following is a threat to forests?
Afforestation
Deforestation
Reforestation
Forest conservation
Question 8: What is the term for the cutting down of trees on a large scale?
Afforestation
Deforestation
Reforestation
Forest conservation
Question 9: Which of the following is a reason for deforestation?
Promoting biodiversity
Conserving soil
Increasing wildlife habitat
Clearing land for agriculture
Question 10: What is the term for the practice of planting trees in a large area?
Afforestation
Deforestation
Reforestation
Forest conservation
Question 11: Which of the following is a positive impact of afforestation?
Loss of biodiversity
Enhanced soil erosion
Increased carbon dioxide levels
Improved water conservation
Question 12: What is the term for the regrowth of a forest that has been cut or cleared?
Afforestation
Deforestation
Reforestation
Forest conservation
Question 13: Which of the following is an example of a product obtained from forests?
Plastic
Paper
Steel
Aluminum
Question 14: What is the term for the process by which forests are protected and managed to meet the needs of the present and future generations?
Deforestation
Reforestation
Sustainable forest management
Forest conservation
Question 15: Which of the following is an effect of deforestation?
Increased soil erosion
Enhanced biodiversity
Improved water quality
Enhanced rainfall
Question 16: What is the term for the loss of fertile topsoil due to erosion caused by deforestation?
Desertification
Eutrophication
Siltation
Leaching
Question 17: Which of the following is a method to conserve forests?
Overgrazing
Forest fires
Clear-cutting
Banning illegal logging
Question 18: What is the term for the sustainable use of forests by local communities?
Community deforestation
Community reforestation
Community forestry
Community conservation
Question 19: Which of the following is an example of a social role of forests?
Providing timber
Enhancing aesthetic value
Reducing air pollution
Providing habitat for wildlife
Question 20: What is the term for the process of planting trees in an area where they have been cut or cleared?
Afforestation
Deforestation
Reforestation
Forest conservation
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