This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 6 Anatomy Of Flowering Plants – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 6 Anatomy Of Flowering Plants Quiz 10 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The opening and closing of stomata are assisted by A) Decrease in H+ concentration of subsidiary cells. B) Influx and efflux of Cl-ions. C) Orientation of pectin microfibrils in guard cells. D) K+ ions and turgidity of guard cells. Show Answer Correct Answer: D) K+ ions and turgidity of guard cells. 2. Which of the following helps in maintaining the pressure gradient in the sieve tubes? A) Phloem parenchyma. B) Bast fibre. C) Companion cell. D) Wood fibre. Show Answer Correct Answer: C) Companion cell. 3. Which tissue is not evident in most of the monocotyledons? A) Phloem parenchyma. B) Sieve tube elements. C) Companion cells. D) Vessel. Show Answer Correct Answer: A) Phloem parenchyma. 4. Bundle found in stems that contains phloem and xylem: A) Monocots. B) Ground Material. C) Vascular Bundle. D) Dicots. Show Answer Correct Answer: C) Vascular Bundle. 5. Early wood is formed- A) In winter. B) In spring. C) Throughout the year. D) In Autumn. Show Answer Correct Answer: B) In spring. 6. Xylem parenchyma stores- A) Starch. B) Fat. C) Tannins. D) All. Show Answer Correct Answer: D) All. 7. Assertion:In stem, pericycle take active part in secondary growth. Reason:In root, pericycle take active part in secondary growth A) A. B) B. C) C. D) D. Show Answer Correct Answer: D) D. 8. The meristem which occurs between mature tissues is known as A) Cork cambium. B) Lateral meristem. C) Apical meristem. D) Intercalary meristem. Show Answer Correct Answer: C) Apical meristem. 9. Moves water, minerals and food throughout the plant: A) Stem. B) Roots. C) Flower. D) Leaves. Show Answer Correct Answer: A) Stem. 10. Unlike tracheids, vessel elements- A) Function when dead. B) Are spindle shaped. C) Are found primarily in gymnosperms. D) Lose part or all of the end walls. Show Answer Correct Answer: D) Lose part or all of the end walls. 11. The meristems which occur at the tips of roots and shoots and produce primary tissues are called A) Intercalary meristem. B) Apical meristems. C) Secondary meristem. D) Lateral meristem. Show Answer Correct Answer: B) Apical meristems. 12. Well differentiated pith present in A) Monocot root. B) Grasses root. C) Dicot root. D) Both 1 and 2. Show Answer Correct Answer: D) Both 1 and 2. 13. Fibres and sclereids are the types of- A) Parenchyma. B) Collenchyma. C) Sclerenchyma. D) Xylem. Show Answer Correct Answer: C) Sclerenchyma. 14. The balloon-shaped structures called tyloses: A) Are extensions of xylem parenchyma cells into vessels. B) Are linked to the ascent of sap through xylem vessels. C) Originate in the lumen of vessels. D) Characterise the sapwood. Show Answer Correct Answer: A) Are extensions of xylem parenchyma cells into vessels. 15. The companion cells help in maintaining the pressure gradient in the sieve tubes. A) Solvent amount. B) Solute concentration. C) Pressure gradient. D) Water potential. Show Answer Correct Answer: C) Pressure gradient. 16. The innermost layer or last layer of cortex is called- A) Pericycle. B) Conjunctive tissue. C) Endodermis. D) Exodermis. Show Answer Correct Answer: C) Endodermis. 17. When xylem and phloem are on same radius, thevascular bundles are said to be- A) Conjoint. B) Radial. C) Concentric. D) Exarch. Show Answer Correct Answer: A) Conjoint. 18. In a monocot leaf A) Bulliform cells are absent from the epidermis. B) Veins from a network. C) Mesophyll is well-differentiated into palisade and spongy parenchyma. D) Mesophyll is not differentiated into palisade and spongy parenchyma. Show Answer Correct Answer: D) Mesophyll is not differentiated into palisade and spongy parenchyma. 19. Skin of cells on surface of root where water and minerals are absorbed. A) Xylem. B) Root Cap. C) Epidermis. D) Apical Meristem. Show Answer Correct Answer: C) Epidermis. 20. The intercalary meristem results in(a) apical growth(b) secondary tissues(c) primary tissues(d) cambium A) A. B) B. C) C. D) D. Show Answer Correct Answer: C) C. 21. Anchoring plants, storing food, and absorbing water are functions of plant A) Flowers. B) Fruits. C) Nuts. D) Roots. Show Answer Correct Answer: D) Roots. 22. In dicotyledonous stem, the cells of the endodermis are rich in starch grains and the layer is also referred to as the starch sheath. A) Casparian strips. B) Starch sheath. C) Aleurone layer. D) Lenticel. Show Answer Correct Answer: B) Starch sheath. 23. Sclerenchyma consists of long, narrow cells with thick and lignified cell walls having a few or numerous pits. A) Collenchyma. B) Parenchyma. C) Chlorenchyma. D) Sclerenchyma. Show Answer Correct Answer: D) Sclerenchyma. 24. Adenosine triphosphate, the molecule which provides the energy in the cells of all living things A) Chromosome. B) ATP. C) Photosynthesis. D) Gamete. Show Answer Correct Answer: B) ATP. 25. Select the correct option after reading the following statements.Statement I:The meristem which occurs between mature tissues is known as intercalary meristem.Statement II:During the formation of leaves and elongation of stem, some cells 'left behind' from shoot apical meristem, constitute the axillary bud. A) Only statement I is incorrect. B) Only statement II is incorrect. C) Both I & II are correct. D) Both I & II are incorrect. Show Answer Correct Answer: C) Both I & II are correct. ← 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 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books