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