This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 5 Morphology Of Flowering Plants – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 5 Morphology Of Flowering Plants Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Assertion:-In brinjal and chino rose flowers are hypogynous. Reason:-In cucumber flower, other floral whorls are present above the level of ovary. A) Assertion is correct and reason is incorrect. B) Both are correct. C) Both are incorrect. D) Assertion is incorrect and reason is correct. Show Answer Correct Answer: B) Both are correct. 2. Incision in the leaf does not reach the midrib in A) Simple leaf. B) Bipinnately compound leaf. C) Tripinnately compound leaf. D) More than one option is correct. Show Answer Correct Answer: A) Simple leaf. 3. Some plants have rhizomes and roots as underground structures. Which characteristics of rhizome would distinguish them from roots? A) Rhizomes are thicker than roots. B) Rhizomes have scaly leaves. C) Rhizome are thinner than roots. D) None of the above. Show Answer Correct Answer: B) Rhizomes have scaly leaves. 4. Root hairs usually develop in which region of a typical tap root? A) Region of Maturation. B) Region of Meristematic activity. C) Region of Elongation. D) Root cap. Show Answer Correct Answer: A) Region of Maturation. 5. Which of the following is not a part of root system? A) Root cap. B) Node. C) Root hair. D) Meristem. Show Answer Correct Answer: B) Node. 6. Why is vivipary an undesirable character for annual crop plants? A) It reduces the vigrour of the plant. B) It adversely affects the fertility of the plant. C) The seeds exhibit long dormancy. D) The seeds cannot be stored under normal condition for the next season. Show Answer Correct Answer: D) The seeds cannot be stored under normal condition for the next season. 7. Cotyledons of maize grain is called A) Coleorhiza. B) Coleoptile. C) Scutellum. D) Plumule. Show Answer Correct Answer: C) Scutellum. 8. Assertion:Mangrove trees growing in marshy HABITAT have pneumatophores. Reason:-Pneumatophores help in anchorage. A) Both correct. B) Both incorrect. C) Assertion incorrect and reason correct. D) Assertion correct and reason incorrect. Show Answer Correct Answer: D) Assertion correct and reason incorrect. 9. A family delimited by type of inflorescence is A) Fabaceae. B) Asteraceae. C) Solanaceae. D) Liliaceae. Show Answer Correct Answer: B) Asteraceae. 10. Endosperm, a product of double fertilisation in angiosperms is absent in the seeds of A) Coconut. B) Orchids. C) Maize. D) Castor. Show Answer Correct Answer: B) Orchids. 11. Maize grain is a fruit known as A) Cypsela. B) Caryopsis. C) Legume. D) Achene. Show Answer Correct Answer: B) Caryopsis. 12. Standard, wings and keel petals are present in A) Valvate aestivation. B) Twisted aestivation. C) Imbricate aestivation. D) Vexillary aestivation. Show Answer Correct Answer: D) Vexillary aestivation. 13. What is the main function of the stem in flowering plants? A) Photosynthesis. B) Water absorption. C) Support and conduction. D) Storage of food. Show Answer Correct Answer: C) Support and conduction. 14. A small rootless aquatic herb in which a portion of leaf forms a tiny sack or bladder which traps water insects is A) Dionaea. B) Utricularia. C) Sarracenia. D) Drosera. Show Answer Correct Answer: B) Utricularia. 15. In a cereal grain the single cotyledon of embryo is represented by A) Scutellum. B) Prophyll. C) Coleoptile. D) Colearhiza. Show Answer Correct Answer: A) Scutellum. 16. Midrib is observed in which part of leaf? A) Leaf base. B) Lamina. C) Petiole. D) Stipule. Show Answer Correct Answer: B) Lamina. 17. A typical lower with superior ovary and other floral part inferior is called: A) Polygamous. B) Hypogynous. C) Perigynous. D) Epigynous. Show Answer Correct Answer: B) Hypogynous. 18. What is the term for the arrangement of flowers on the floral axis? A) Symmetry. B) Venation. C) Inflorescence. D) Phyllotaxy. Show Answer Correct Answer: C) Inflorescence. 19. The embryo in sunflower has A) One cotyledon. B) Two cotyledons. C) Many cotyledons. D) No cotyledon. Show Answer Correct Answer: B) Two cotyledons. 20. Assertion-A flower is modified shoot.Reason-Floral meristem changes to shoot apical meristem. A) Both assertion & reason are correct and explaining well. B) Both assertion & reason are correct but not explaining. C) Assertion is correct bur reason is wrong. D) Reason is correct but assertion is wrong. Show Answer Correct Answer: C) Assertion is correct bur reason is wrong. 21. Phyllodes are observed in A) Pisum sativum. B) Allium cepa. C) Allium sativum. D) Australian Acacia. Show Answer Correct Answer: D) Australian Acacia. 22. Pneumatophores help the plant in A) Collects more minerals from the soil. B) Getting oxygen from air. C) Holding the plant tightly to the soil. D) Give mechanical support to the plant. Show Answer Correct Answer: B) Getting oxygen from air. 23. Function of stem is A) To bear leaves and branches. B) Conduction of water and minerals. C) Conduction and storage of food. D) All. Show Answer Correct Answer: D) All. 24. A longitudinal or vertical section of the flower indicates- A) Type of pollination. B) Arrangement of members in a whorl. C) Number of floral parts in whorls. D) Manner of insertion of parts in different whorls. Show Answer Correct Answer: D) Manner of insertion of parts in different whorls. 25. Calyx modified into Pappus and syngenesious stamens are salient features of- A) Brassicaceae. B) Poaceae. C) Asteraceae. D) Malvaceae. Show Answer Correct Answer: C) Asteraceae. ← PreviousNext →Related QuizzesClass 11 Biology Chapter 5 Morphology Of Flowering Plants Quiz 1Class 11 Biology Chapter 5 Morphology Of Flowering Plants Quiz 2Class 11 Biology Chapter 5 Morphology Of Flowering Plants Quiz 3Class 11 Biology Chapter 5 Morphology Of Flowering Plants Quiz 4Class 11 Biology Chapter 5 Morphology Of Flowering Plants Quiz 5Class 11 Biology Chapter 5 Morphology Of Flowering Plants Quiz 6Class 11 Biology Chapter 5 Morphology Of Flowering Plants Quiz 7Class 11 Biology Chapter 5 Morphology Of Flowering Plants Quiz 8Class 11 Biology Chapter 5 Morphology Of Flowering Plants Quiz 9Class 11 Biology Chapter 5 Morphology Of Flowering Plants Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books