Forestry MCQs-Set 24 Posted on 2026-01-032026-03-01Author admin 0 Table of Contents Toggle Forestry MCQs-Set 24 Multiple Choice Questions (MCQs) Return to [Forestry MCQ Homepage]Forestry MCQs-Set 24 Forestry MCQs-Set 24 Multiple Choice Questions (MCQs) Return to [Forestry MCQ Homepage] 1. What is the main role of silica in plant tissues? Strengthen cell walls and deter herbivory Provide flexibility Improve photosynthesis Water and nutrient storage 2. The family Pinaceae mainly includes _________ Cedars and ginkgo Cycads Conifers Gnetales 3. The __________ is the floral whorl responsible for attraction of pollinators Androecium Calyx Corolla Gynoecium 4. In plants, blue light primarily regulates ________ Stomatal opening Root nodulation Nitrogen fixation Seed dormancy only 5. As energy moves through a food chain, which trophic level has the lowest amount of energy in an ecosystem? Tertiary consumers Primary consumers Secondary consumers Producers 6. The term “amphibians of the plant kingdom” refers to ____ Pteridophytes Gymnosperms Bryophytes Algae 7. The main role of cellulose in plants is to _________ Provide structural support Store energy Regulate water transport Facilitate photosynthesis 8. MAI stands for ________ Marginal Annual Increment Measured Annual Index Mean Annual Increment Maximum Annual Increase 9. The outer layer of a pollen grain is called _____ Intine Nucellus Exine Cytoplasm 10. Gymnosperms are characterized by seeds that are________________ Contained within a capsule Naked and not enclosed by an ovary Surrounded by a pericarp Enclosed within a fruit Loading … Question 1 of 10 Forestry MCQs-Set 24