This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 6 Anatomy Of Flowering Plants – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 6 Anatomy Of Flowering Plants Quiz 11 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Annual or growth rings consist of- A) Alternate rings of heart and early wood. B) Alternate rings of sapwood and heart wood. C) Alternate rings of early and late wood. D) Alternate rings of porous and non-porous wood. Show Answer Correct Answer: C) Alternate rings of early and late wood. 2. During secondary growth the amount of xylem produced is more than phloem because- A) The cambium is more active on the inner side. B) Cambium is more active on outer side. C) Cambium is equally active on both side but xylem is needed more. D) None of the above. Show Answer Correct Answer: A) The cambium is more active on the inner side. 3. All of the following statements are correct for cells of parenchyma, except A) They are generally isodiametric. B) They have lignified cell walls. C) They may be spherical, oval, polygonal or elongated in shape. D) They are the mature cells. Show Answer Correct Answer: B) They have lignified cell walls. 4. Cambium ring in dicot stem is A) Primary meristem in origin. B) Secondary meristem in origin. C) Promeristem in origin. D) Both primary and secondary meristem in origin. Show Answer Correct Answer: D) Both primary and secondary meristem in origin. 5. Sclereids are commonly found in the-I) Fruit wall of nutsII)pulp of fruit like guava & pearIII) Seed coat of legumes.IV) microplyle of peaSelect the correct combination- A) All except I. B) All except II. C) All except III. D) All except IV. Show Answer Correct Answer: D) All except IV. 6. How many shoot apical meristematic zones areexpected in a plant possessing 9 branches and39 leaves? A) 9. B) 39. C) 10. D) 8. Show Answer Correct Answer: C) 10. 7. Select the correct statement regarding vessels. A) Long, cylindrical tube-like structure present in angiosperms. B) Cells are thin with cellulosic cell wall and without lignin. C) They are less efficient water conducting elements of xylem. D) Cells are rich in protoplasm. Show Answer Correct Answer: A) Long, cylindrical tube-like structure present in angiosperms. 8. In land plants, the guard cells differ from other epidermal cells in having:- A) Mitochondria. B) Endoplasmic reticulum. C) Chloroplasts. D) Cytoskeleton. Show Answer Correct Answer: C) Chloroplasts. 9. VASCULAR BUNDLE IN DICOT ROOT IS A) OPEN AND CONJOINT. B) CLOSED AND CONJOINT. C) OPEN AND RADIAL. D) CLOSED AND RADIAL. Show Answer Correct Answer: C) OPEN AND RADIAL. 10. SI-Primary Xylem is exarch in rootsSII-Primary Xylem is endarch in stems A) Both SI and SII are correct. B) Both are incorrect. C) SI is correct and SII is incorrect. D) SI is incorrect and SII is correct. Show Answer Correct Answer: A) Both SI and SII are correct. 11. If xylem and phloem are present on the same radii then the vascular bundle is called as A) Conjoint vascular bundle. B) Radial vascular bundle. C) Open vascular bundle. D) Closed vascular bundle. Show Answer Correct Answer: A) Conjoint vascular bundle. 12. CORTEX HAS THREE LAYERS LIKE HYPODERMIS, CORTICAL LAYERS AND ENDODERMIS IN A) DICOT LEAF. B) DICOT STEM. C) MONOCOT STEM. D) MONOCOT ROOT. Show Answer Correct Answer: B) DICOT STEM. 13. What is the purpose of stem anatomy in a flowering plant? A) Photosynthesis and reproduction. B) Support and transport. C) Protection and storage. D) Respiration and communication. Show Answer Correct Answer: B) Support and transport. 14. All tissues on the inner side of the endodermis such as pericycle, vascular bundles and pith constitute the stele. A) Ground tissue. B) Epidermal tissue. C) Stele. D) Pericycle. Show Answer Correct Answer: C) Stele. 15. Which one is secondary lateral meristem? A) Intercalary. B) Cork cambium. C) Interfascicular cambium. D) Both b and c. Show Answer Correct Answer: D) Both b and c. 16. Proteins which assist chemical reactions in living cells A) Gamete. B) Chromosome. C) Enzyzmes. D) Monocots. Show Answer Correct Answer: C) Enzyzmes. 17. What is the reason for the formation of cork cambium or phellogen? A) It is because cortical cells start showing redifferentiation to form cork cambium. B) It is because vascular cambium starts to degenerate. C) It is because vascular cambium stops its meristematic activity. D) As the stem continues to increase in girth due to the activity of vascular cambium, the outer cortical and epidermal layer gets broken and need to be replaced. Show Answer Correct Answer: D) As the stem continues to increase in girth due to the activity of vascular cambium, the outer cortical and epidermal layer gets broken and need to be replaced. 18. Which of the following bast fibres is of great commercial value? A) Jute. B) Flax. C) Hemp. D) All. Show Answer Correct Answer: D) All. 19. What is the main function of the root system in a flowering plant? A) Conducting photosynthesis. B) Producing flowers and fruits. C) Anchoring the plant and absorbing water and nutrients. D) Supporting the leaves and flowers. Show Answer Correct Answer: C) Anchoring the plant and absorbing water and nutrients. 20. A major characteristic of the monocot root is the presence of: A) Vasculature without cambium. B) Cambium sandwiched between phloem and xylem along the radius. C) Open vascular bundles. D) Scattered vascular bundles. Show Answer Correct Answer: A) Vasculature without cambium. 21. The phloem parenchyma stores food material and other substances like resins, latex and mucilage. A) Sieve tube. B) Parenchyma. C) Sieve tube element. D) Fibres. Show Answer Correct Answer: B) Parenchyma. 22. Which of the following structures encloses the stomatal pore and has a bean shape? A) Guard cell. B) Subsidiary cell. C) Epidermal cell. D) Cuticle. Show Answer Correct Answer: A) Guard cell. 23. Dead cells with narrow lumen, lignified cell wall with a few or numerous pits and serving a mechanical function only are called- A) Collenchyma. B) Xylem. C) Aerenchyma. D) Sclerenchyma. Show Answer Correct Answer: D) Sclerenchyma. 24. Secondary xylem and phloem in dicot stem are produced by A) Apical meristem. B) Vascular cambium. C) Phellogen. D) Axillary meristems. Show Answer Correct Answer: B) Vascular cambium. 25. Which of the following statements is incorrect for secondary meristem? A) They regenerate the parts of grasses damaged by grazers. B) They are cylindrical meristems. C) They occur in mature regions of root and shoot. D) They appear later than primary meristems in the life of a plant. Show Answer Correct Answer: A) They regenerate the parts of grasses damaged by grazers. ← PreviousNext →Related QuizzesClass 11 Biology Chapter 6 Anatomy Of Flowering Plants Quiz 1Class 11 Biology Chapter 6 Anatomy Of Flowering Plants Quiz 2Class 11 Biology Chapter 6 Anatomy Of Flowering Plants Quiz 3Class 11 Biology Chapter 6 Anatomy Of Flowering Plants Quiz 4Class 11 Biology Chapter 6 Anatomy Of Flowering Plants Quiz 5Class 11 Biology Chapter 6 Anatomy Of Flowering Plants Quiz 6Class 11 Biology Chapter 6 Anatomy Of Flowering Plants Quiz 7Class 11 Biology Chapter 6 Anatomy Of Flowering Plants Quiz 8Class 11 Biology Chapter 6 Anatomy Of Flowering Plants Quiz 9Class 11 Biology Chapter 6 Anatomy Of Flowering Plants Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books