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