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