This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 5 Morphology Of Flowering Plants – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 5 Morphology Of Flowering Plants Quiz 17 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Thorn of Citrus and Bougainvillea is modified- A) Stem. B) Root. C) Leaf. D) Inflorescence. Show Answer Correct Answer: A) Stem. 2. What is the primary function of root hairs? A) Anchorage of the plant. B) Synthesis of hormones. C) Absorption of water and minerals. D) Mechanical support. Show Answer Correct Answer: C) Absorption of water and minerals. 3. Few examples are given-corm, rhizome, thorns, tendril, photosynthetic stem, offset. how many act as organ of perennation A) 2. B) 3. C) 4. D) 5. Show Answer Correct Answer: A) 2. 4. Zone of maturation is the name of A) Zone of elongation. B) Root hair zone. C) Zone of mature cells. D) Meristamatic zone. Show Answer Correct Answer: B) Root hair zone. 5. What type of placentaion is seen in sweet pea? A) Axile. B) Free central. C) Marginal. D) Basal. Show Answer Correct Answer: C) Marginal. 6. Parallel venation occurs in A) Banana. B) Peepal. C) Hibiscus. D) Mango. Show Answer Correct Answer: A) Banana. 7. Which of the following is not an example of corm? A) Colocasia. B) Freesia. C) Crocus. D) Zingiber. Show Answer Correct Answer: D) Zingiber. 8. In Bougainvillea thorns are the modifications of A) Stipules. B) Adventitious root. C) Stem. D) Leag. Show Answer Correct Answer: C) Stem. 9. Which of the following is an incorrect pair? A) Phylloclade-Opuntia. B) Cladode-Ruscus. C) Stem tendrils-Grapevine. D) Phyllode-Asparagus. Show Answer Correct Answer: D) Phyllode-Asparagus. 10. In a cereal grain the single cotyledon of embryo is presented by A) Scutellum. B) Prophyll. C) Coleoptile. D) Coleorhiza. Show Answer Correct Answer: A) Scutellum. 11. THE TYPE OF MODIFIED ROOTS FOUND IN Ficus bengalensis IS CALLED AS A) STILT ROOTS. B) PROP ROOTS. C) FUSIFORM ROOTS. D) NAPIFORM ROOTS. Show Answer Correct Answer: B) PROP ROOTS. 12. In old classifications family leguminosae wasclassified into of three subfamilies. Which of thesubfamily of Leguminosae is now considered asFabaceae A) Papilionatae. B) Mimosoidae. C) Caesalpinoidae. D) Compositae. Show Answer Correct Answer: A) Papilionatae. 13. Thorns, spines and prickles work as ..... in plants. A) Respiratory organs. B) Excretory organs. C) Organs of offense. D) Defensive organs. Show Answer Correct Answer: D) Defensive organs. 14. How many plants in the list given below have composite fruits that develops from an inflorescence?Walnut, poppy, radish, fig, pineapple, apple, tomato, mulberry. A) Four. B) Five. C) Two. D) Three. Show Answer Correct Answer: D) Three. 15. Angiosperm to which the largest flowers belong is A) Total stem parasite. B) Partial stem parasite. C) Total root parasite. D) Partial root parasite. Show Answer Correct Answer: C) Total root parasite. 16. Persistent calyx is the character of plants belonging to family A) Solanaceae. B) Malvaceae. C) Cruciferae (Brassicaceae). D) Compositae. Show Answer Correct Answer: A) Solanaceae. 17. Potato is a modified A) Flower. B) Root. C) Leaf. D) Stem. Show Answer Correct Answer: D) Stem. 18. Endospermous seed present in family A) Liliaceae and Solanaceae. B) Solanaceae and Malvaceae. C) Fabaceae and Liliaceae. D) None. Show Answer Correct Answer: A) Liliaceae and Solanaceae. 19. Which of the following plant has endospermic seed? A) Bean. B) Gram. C) Pea. D) Castor. Show Answer Correct Answer: D) Castor. 20. Which of the following plants possess roots modified for mechanical support? I. Sugarcane II. Banyan tree III. Sorghum IV. Rhizophora A) I and II only. B) I, II and III only. C) II, III and IV only. D) All of the above. Show Answer Correct Answer: C) II, III and IV only. 21. Persistant calyx is characteristics of A) Allium or Liliaceae. B) Hibiscus or Malvaceae. C) Dalbergia or Papilionatae. D) Solanum or Solanaceae. Show Answer Correct Answer: D) Solanum or Solanaceae. 22. An underground specialized shoot with a reduced disc-like stem covered by fleshy leaves is ..... A) Bulb. B) Rhizome. C) Rhizophore. D) Bulbil. Show Answer Correct Answer: A) Bulb. 23. Axis of inflorescence A) Petiole. B) Pedicel. C) Peduncle. D) None of these. Show Answer Correct Answer: C) Peduncle. 24. Diadelphous stamens are found in: A) Onion. B) Pea. C) Wheat. D) China Rose. Show Answer Correct Answer: B) Pea. 25. Perisperm differs from endosperm in A) Being a haploid tissue. B) Having no reserve food. C) Being a diploid tissue. D) Its formation by fusion of secondary nucleus with several sperms. Show Answer Correct Answer: B) Having no reserve food. ← 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