This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 6 Anatomy Of Flowering Plants – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 6 Anatomy Of Flowering Plants Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Trees which bear cones and need-like or scale-like leaves A) Monocots. B) Dicots. C) Conifers. D) Gamete. Show Answer Correct Answer: C) Conifers. 2. The outermost layer in dicotyledonous roots is known as Epiblema. A) Cortex. B) Epiblema. C) Stele. D) Endodermis. Show Answer Correct Answer: A) Cortex. 3. Heartwood is characterized by all, except A) Presence of tyloses. B) Presence of tannins, resins, oils, gums etc. C) Its commercial importance for timber. D) Active in water conduction. Show Answer Correct Answer: D) Active in water conduction. 4. Cortex is the region found between:- A) Endodermis and pith. B) Epidermis and stele. C) Endodermis and vascular bundle. D) Pericycle and endodermis. Show Answer Correct Answer: B) Epidermis and stele. 5. Tiny opening that is useful for gas exchange. A) Stoma. B) Venis. C) Epidermis. D) Cuticle. Show Answer Correct Answer: A) Stoma. 6. ..... present on the inner side of the endodermis and above the phloem in the form of semi-lunar patches of sclerenchyma. A) Starch sheath. B) Cortical layer. C) Pith. D) Pericycle. Show Answer Correct Answer: D) Pericycle. 7. The presence of vessels is a characteristic feature of angiosperms. A) Xylem. B) Phloem. C) Vessels. D) Sclerenchyma. Show Answer Correct Answer: C) Vessels. 8. In dicot leaf, the vascular bundles are surrounded by a layer of thick walled bundle sheath cells. A) Bundle sheath cells. B) Bulliform cells. C) Pith. D) Passage cells. Show Answer Correct Answer: A) Bundle sheath cells. 9. Highly thick-walled lignified cells generally found in fruit walls of nuts and pulp of fruits are A) Sclerenchyma. B) Xylem fibres. C) Albuminous cells. D) Tracheids. Show Answer Correct Answer: A) Sclerenchyma. 10. The thin radial fibres extending from pith to cambium layer are known as A) Inner bark. B) Outer bark. C) Sap wood. D) Medullary rays. Show Answer Correct Answer: D) Medullary rays. 11. When Xylem & phloem are separated by a strip of cambium, vascular bundle is called- A) Collateral & open. B) Collateral & closed. C) Bicollateral & open. D) Concentric & closed. Show Answer Correct Answer: A) Collateral & open. 12. Major xylary element in wood of a gymnospermic plant is A) Vessel. B) Tracheid. C) Xylem fibre. D) Xylem parenchyma. Show Answer Correct Answer: B) Tracheid. 13. Which of the following statements is incorrect about sclereids (stone cells) A) Variously shaped. B) Highly thickened + lignified cell wall and lumen is narrow. C) Commonly found in the fruits, wall of nuts, seed coats of legumes and leaves. D) They are types of parenchyma. Show Answer Correct Answer: D) They are types of parenchyma. 14. Hair like projections that extend from the epidermis are A) Stem hairs. B) Thorn. C) Root hairs. D) Trichomes. Show Answer Correct Answer: D) Trichomes. 15. Assertion. In collateral vascular bundles, phloem is situated towards inner side. Reason. In monocot stem, cambium is present A) A. B) B. C) C. D) D. Show Answer Correct Answer: D) D. 16. In conjoint type of vascular bundles, the xylem and phloem are jointly situated along the same radius of vascular bundles. A) Radial. B) Concentric. C) Conjoint. D) Open. Show Answer Correct Answer: A) Radial. 17. Medullary rays are formed by the- A) Radially placed parenchymatous cells between vascular bundles. B) Longitudinally placed parenchymatous cells between vascular bundles. C) Laterally placed parenchymatous cells between vascular bundles. D) Obliquely placed parenchymatous cells between vascular bundles. Show Answer Correct Answer: A) Radially placed parenchymatous cells between vascular bundles. 18. Read the different components from (A) to (D) in the list given below and tell the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem: A) , (B), (D), (C). B) , (A), (C), (B). C) , (C), (A), (B). D) , (D), (B), (A). Show Answer Correct Answer: A) , (B), (D), (C). 19. Cork cambium of dicot stem originates from A) Dediffrentiated parenchyma cells of cortex. B) Dedifferentitaed collenchyma cells of cortex. C) Rediffrentiated collenchyma cells of cortex. D) Rediffrentiated parenchyma cells of cortex. Show Answer Correct Answer: A) Dediffrentiated parenchyma cells of cortex. 20. Assertion:The two cotyledons in seed are embryonic leaves. Reason:The embryo contains radicle and plumule A) A. B) B. C) C. D) D. Show Answer Correct Answer: B) B. 21. Sapwood is A) Secondary xylem. B) Secondary phloem. C) Phellem. D) Secondary cortex. Show Answer Correct Answer: A) Secondary xylem. 22. Ray parenchymatous cells- A) Are living. B) Are dead. C) Perform radial conduction of water. D) A and c. Show Answer Correct Answer: D) A and c. 23. Assertion:Epidermal cells have small amount of cytoplasm and a large vacuole. Reason:Guard cells are dumb bell shaped in dicots and bean shaped in monocots A) A. B) B. C) C. D) D. Show Answer Correct Answer: C) C. 24. Interfascicular cambium develops from the cells of: A) Pericycle. B) Medullary rays. C) Xylem parenchyma. D) Endodermis. Show Answer Correct Answer: B) Medullary rays. 25. The stomatal aperture, guard cells and the surrounding subsidiary cells are together called stomatal apparatus. A) Transpiratory unit. B) Stomatal apparatus. C) Stoma. D) None of the above. Show Answer Correct Answer: B) Stomatal apparatus. ← 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