This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 6 Anatomy Of Flowering Plants – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 6 Anatomy Of Flowering Plants Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following vascular bundles help in the formation of secondary xylem and phloem with the presence of cambium? A) Open vascular bundles. B) Clause vascular bundles. C) Close vascular bundles. D) Linear vascular bundles. Show Answer Correct Answer: C) Close vascular bundles. 2. Select the correct option for following statement-I)Primary & Secondary phloem get crushed during secondary growthII) During secondary growth, primary xylem remains more or less intact A) I is correct II is incorrect. B) II is correct I is incorrect. C) Both are correct. D) Both arre incorrect. Show Answer Correct Answer: B) II is correct I is incorrect. 3. Which part of a flower produces pollen? A) Sepals. B) Stamen. C) Petals. D) Pistil. Show Answer Correct Answer: B) Stamen. 4. Sometimes a few epidermal cells in the vicinity of guard cells become specialized in their shape and size and are known as- A) Stomatal aperture. B) Trichomal cell. C) Subsidiary cells. D) Stomata. Show Answer Correct Answer: C) Subsidiary cells. 5. Endodermis cells are rich in A) Cellulose. B) Starch grains. C) Starch grains. D) Fibers. Show Answer Correct Answer: B) Starch grains. 6. Identify the statement which is incorrect about Heart wood. It A) Is centrally located secondary xylem. B) Has deposits of tannin, resin, gum etc. C) Is very hard and durable. D) Conducts water. Show Answer Correct Answer: D) Conducts water. 7. Specialised epidermal cells surrounding the guard cells are called A) Complementary cells. B) Subsidiary cells. C) Bulliform cells. D) Lenticels. Show Answer Correct Answer: B) Subsidiary cells. 8. Xylem in angiosperms consists of how many types of elements? A) 4. B) 3. C) 2. D) 1. Show Answer Correct Answer: A) 4. 9. Which of the following statements is true about Sclereids? A) These are constituent cells of Collenchyma tissue. B) They are living cells with very narrow lumen (Cavity). C) They donot provide mechanical strength to plants. D) The gritty pulp of fruits like guava and pear is due to it's presence. Show Answer Correct Answer: D) The gritty pulp of fruits like guava and pear is due to it's presence. 10. Grittiness of fruit in pears is due to- A) Presence of Silica. B) Presence of stone cells / sclereids. C) Presence of raphids. D) Formation of cystolith. Show Answer Correct Answer: B) Presence of stone cells / sclereids. 11. Closed vascular bundles lack A) Pith. B) Xylem. C) Cambium. D) Xylem vessels. Show Answer Correct Answer: C) Cambium. 12. Tracheids and vessel elements- A) Die before they become functional. B) Are important constituents of all plants. C) Are found in the secondary plant body. D) Are without lignified cell wall. Show Answer Correct Answer: A) Die before they become functional. 13. Secondary xylem is- A) Exarch. B) Endarch. C) Mesarch. D) None. Show Answer Correct Answer: D) None. 14. Collenchyma differs from sclerenchyma in(a) having thick cell walls(b) having wide lumen(c) being flexible(d) being living at maturity A) A. B) B. C) C. D) D. Show Answer Correct Answer: D) D. 15. Which part of a flowering plant provides support and transports water and nutrients? A) Stem. B) Roots. C) Leaves. D) Flowers. Show Answer Correct Answer: A) Stem. 16. Identify the correct statementa) Stomata are present on both epidermal layers in isobilateral leavesb) Guard cells are dumb-bell shaped in grass leavesc) Photosynthesis do not occur in guard cellsd) Stomata opens when guard cells are flaccid A) A, c. B) C, d. C) A, b. D) B, d. Show Answer Correct Answer: C) A, b. 17. Casparian strips are found on radial and inner walls of A) Stem endodermis. B) Root endodermis. C) Pericycle. D) Outer cortex. Show Answer Correct Answer: B) Root endodermis. 18. I. Occur as layers or patchesII. Cell wall-Unevenly thickened due to pectocellulosic depositionIII. Cells-Spherical, oval or polygonalIV. Often has chloroplastV. Living mechanical tissueVI. Occur in hypodermis of young dicot stem and petioleThe characters are shown by which of the following tissues- A) Parenchyma. B) Collenchyma. C) Sclerenchyma. D) Vascular tissue. Show Answer Correct Answer: B) Collenchyma. 19. Monocotyledonous roots do not undergo any secondary growth. A) Dicotyledonous. B) Monocotyledonous. C) Tap. D) Adventitious. Show Answer Correct Answer: B) Monocotyledonous. 20. I) Long cylindrical tube like structure made up of many cells, lignified cell wall & large central cavity.II)Protoplasm is not present.Above characteristics belong to which of the following? A) Tracheids. B) Companion cells. C) Xylem vessel. D) Seive tubes. Show Answer Correct Answer: C) Xylem vessel. 21. The guard cells possess chloroplasts and regulate the opening and closing of stomata. A) Guard cells. B) Subsidiary cells. C) Epidermal cells. D) Stoma. Show Answer Correct Answer: A) Guard cells. 22. Primary tissues of a plant A) Add to the length of roots and shoots. B) Add to the diameter of existing roots and shoots. C) Are found only in the embryo. D) Are found only in the seedling. Show Answer Correct Answer: A) Add to the length of roots and shoots. 23. Which one is correct about intercalary meristem? A) It occurs between mature tissues. B) It occurs in grasses and regenerate parts removed by grazing herbivores. C) It is a primary meristem. D) All. Show Answer Correct Answer: D) All. 24. Sieve tube is- A) Multicellular, vessel like structure. B) Provided with porous septa. C) The main conducting element for translocation of food. D) All of the above. Show Answer Correct Answer: D) All of the above. 25. Sclereids posses A) Tapering ends. B) Highly thickened walls. C) Hemicellulosic wall. D) Broad lumen. Show Answer Correct Answer: B) Highly thickened walls. ← 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 9Class 11 Biology Chapter 6 Anatomy Of Flowering Plants Quiz 10Class 11 Biology Chapter 6 Anatomy Of Flowering Plants Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books