Forestry MCQs-Set 25 Posted on 2026-01-042026-03-01Author admin 0 Table of Contents Toggle Forestry MCQs-Set 25 Multiple Choice Questions (MCQs) Return to [Forestry MCQ Homepage]Forestry MCQs-Set 25 Forestry MCQs-Set 25 Multiple Choice Questions (MCQs) Return to [Forestry MCQ Homepage] 1. Mango (Mangifera indica) belongs to the family _______ Moraceae Anacardiaceae Sapindaceae Rutaceae 2. The Richmond–Lang effect refers to the delay of ________ in plant tissues due to cytokinins Cell division Senescence Photomorphogenesis Abscission 3. ———— is the main source of energy in a forest ecosystem Soil nutrients Water Sunlight Wind 4. Mean Annual Increment (MAI) is calculated as ___________ Difference between two measurements Increment in a single year Total volume divided by age Diameter increment per year 5. What is an important application of forest growth models in sustainable forest management? Predicting forest growth and yield Evaluating the impacts of climate change All of these Optimizing forest management strategies 6. ______has the largest area of third-party-certified forests in the world Brazil Russia Canada USA 7. Double fertilization is a unique reproductive feature found only in __________ Gymnosperms Angiosperms Bryophytes Pteridophytes 8. Acacia (Vachellia nilotica) is adapted to __________ Waterlogged soils Temperate rainforests Alpine zones Arid and semi-arid regions 9. What is the shape of the pyramid of energy in a stable ecosystem? Circular Irregular Upright Inverted 10. Biological rotation age occurs when _________ Mean Annual Increment (MAI) declines to zero Current Annual Increment (CAI)=0 Mean Annual Increment (MAI) is maximum Current Annual Increment (CAI) is maximum Loading … Question 1 of 10 Forestry MCQs-Set 25