This quiz works best with JavaScript enabled. Home > Plant Wood Anatomy > Plant And Wood Anatomy – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant And Wood Anatomy Quiz 17 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following statements about Spring wood (Early wood) is incorrect? A) In spring cambium is more active. B) In this season, large number of xylary elements are formed. C) Xylary elements have wide cavity. D) Spring wood is dark in colour having less density. Show Answer Correct Answer: D) Spring wood is dark in colour having less density. 2. Which of the following statements is incorrect about Collenchyma tissue? A) Generally occurs below epidermis in dicot plants. B) Cells have thickened corners due to deposition of lignin. C) They are oval, spherical or polygonal shaped cells. D) Intercellular spaces are absent. Show Answer Correct Answer: B) Cells have thickened corners due to deposition of lignin. 3. Why are oak trees and dandelions in the same kingdom? A) They are both multicellular and make their own food. B) They are single-celled and reproduce asexually. C) They both produce flowers and get their own food from the soil. D) They both reproduce sexually and are unable to move. Show Answer Correct Answer: A) They are both multicellular and make their own food. 4. This part of the plant is where photosynthesis occurs. A) Flowers. B) Leaves. C) Roots. D) Stem. Show Answer Correct Answer: B) Leaves. 5. The pale colored ring that grows at the beginning of the year. A) Alpha growth. B) Beta growth. C) Early wood. D) Late wood. Show Answer Correct Answer: C) Early wood. 6. A healthy root system is what color? A) White. B) Red. C) Blue. D) Yellow. Show Answer Correct Answer: A) White. 7. Small epidermal pore (hole); allows oxygen and water out and carbon dioxide in. A) Guard cells. B) Stomata. C) Cuticle. D) Xylem. Show Answer Correct Answer: B) Stomata. 8. In a plant organ which is covered by periderm and in which the stomata are absent, some gaseous exchange still takes place through A) Aerenchyma. B) Trichomes. C) Pneumatophores. D) Lenticels. Show Answer Correct Answer: D) Lenticels. 9. The heart pumps blood to the lungs, allowing the blood to become oxygenated and then carrying the oxygen to the cells within the body. This describes a key interaction between what two body systems? A) Endocrine and skeletal systems. B) Circulatory and respiratory systems. C) Digestive and circulatory systems. D) Nervous and respiratory systems. Show Answer Correct Answer: B) Circulatory and respiratory systems. 10. Structure that grows toward the ovary through the style A) Stigma. B) Embryo sac. C) Bud. D) Pollen tube. Show Answer Correct Answer: D) Pollen tube. 11. Plant loses water through the ..... A) Roots. B) Stomata. C) Chlorophyll. D) Stem. Show Answer Correct Answer: B) Stomata. 12. What is one of the main jobs of the roots? A) Anchor the plant to the ground. B) Hold leaves up to the light. C) Make energy from sugar. D) Make food for the plant. Show Answer Correct Answer: A) Anchor the plant to the ground. 13. "Natural selection occurs over time within an ecosystem." Which best explains this statement? A) Organisms must produce food in order to continue their species. B) Organisms must eat other organisms in order to reduce the population. C) Plants and animals never compete with each other for available resources. D) Environmental changes choose which organisms live to produce the next generation. Show Answer Correct Answer: D) Environmental changes choose which organisms live to produce the next generation. 14. Or more leaves occurring at a node A) Alternate. B) Opposite. C) Whorled. D) None of these. Show Answer Correct Answer: C) Whorled. 15. Changes in a species over a long period of time is called A) Life Cycle. B) Developmental Stages. C) Natural Selection. D) Evolution. Show Answer Correct Answer: D) Evolution. 16. The annual rings are formed due to A) Uniform environmental conditions. B) Non-uniform environmental conditions. C) Absence of secondary growth. D) Absence of primary growth. Show Answer Correct Answer: B) Non-uniform environmental conditions. 17. This type of connective tissue forms strong rope like structures such as tendons and ligaments. A) Loose connective. B) Dense regular connective. C) Cartilage. D) Bone. Show Answer Correct Answer: B) Dense regular connective. 18. The part of the cell that has the same function with that of the "Post Office" . A) Centriole. B) Vacoule. C) Golgi bodies. D) Chloroplast. Show Answer Correct Answer: C) Golgi bodies. 19. The increase in diameter of the trunk of a tree is produced primarily by the: A) Apical meristem. B) Cork cambium. C) Pith. D) Vascular cambium. E) Cork. Show Answer Correct Answer: D) Vascular cambium. 20. The organ of Corti is directly involved in what human sense? A) Sight. B) Hearing. C) Touch. D) Taste. Show Answer Correct Answer: B) Hearing. ← PreviousNext →Related QuizzesPlant And Wood Anatomy Quiz 1Plant And Wood Anatomy Quiz 2Plant And Wood Anatomy Quiz 3Plant And Wood Anatomy Quiz 4Plant And Wood Anatomy Quiz 5Plant And Wood Anatomy Quiz 6Plant And Wood Anatomy Quiz 7Plant And Wood Anatomy Quiz 8Plant And Wood Anatomy Quiz 9Plant And Wood Anatomy Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books