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