This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 15 Plant Growth And Development – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 15 Plant Growth And Development Quiz 18 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the final stage in the growth of a plant? A) Seedling. B) Vegetating. C) Flowering. D) Ripening. Show Answer Correct Answer: D) Ripening. 2. Cell division and xylem differentiation is the function of: A) Abscisic acid. B) Ethylene. C) Gibberellins. D) Auxin. Show Answer Correct Answer: D) Auxin. 3. Which of the following is NOT necessary for plant growth? A) Excessive sunlight. B) Water. C) Oxygen. D) Carbon Dioxide. Show Answer Correct Answer: A) Excessive sunlight. 4. Which is NOT a main part of a plant? A) Roots. B) Stem. C) Flowers. D) Xylem. Show Answer Correct Answer: D) Xylem. 5. In mature plant, function of protection is given by the presence of ..... A) Epidermis. B) Vascular cambium. C) Xylem. D) Cork. E) Phloem. Show Answer Correct Answer: D) Cork. 6. In plant tissue culture experiments, high auxin to cytokinin ratio favours ..... development and high cytokinin to auxin ratio favours ..... development. A) Root, shoot. B) Shoot, root. C) Root, root. D) Shoot, shoot. Show Answer Correct Answer: A) Root, shoot. 7. Directional response that allows plants to grow towards, or in some cases away from a source of light A) Photoperiodism. B) Phototropism. C) Wavelength. D) Light rays. Show Answer Correct Answer: B) Phototropism. 8. Select the odd one out with respect to Auxin A) Naphthalene Acetic Acid. B) 2, 4-Dichloro phenoxy acid. C) Indole Propionic Acid. D) Indole Butyric Acid. Show Answer Correct Answer: D) Indole Butyric Acid. 9. Why is secondary growth considered an evolutionary advantage for eudicots? A) It allows them to remain small and hide from herbivores. B) It provides structural support to grow tall, outcompeting others for sunlight. C) It allows them to reproduce without seeds. D) It speeds up the process of primary growth. Show Answer Correct Answer: B) It provides structural support to grow tall, outcompeting others for sunlight. 10. What is the closest meaning of the latin prefix derma-? A) Plant. B) Dirt. C) Skin. D) Leaves. Show Answer Correct Answer: C) Skin. 11. Tissue in plants that conducts water and nutrients up from the roots to the rest of the plant. It also forms the woody part of plants. A) Vascular cambium. B) Cork cambium. C) Xylem. D) Phloem. Show Answer Correct Answer: C) Xylem. 12. What is the main function of transpiration in plants? A) Transporting minerals from the soil. B) Producing oxygen. C) Storing energy. D) Producing carbohydrates. Show Answer Correct Answer: A) Transporting minerals from the soil. 13. What happens to plants with a nitrogen deficiency? A) They produce more fruits and flowers. B) They experience stunted growth. C) They become more resistant to drought. D) Their leaves turn brown. Show Answer Correct Answer: B) They experience stunted growth. 14. An organic compound that gives color to a plant's tissues by reflecting certain wavelengths of light. A) Pigment. B) Photon. C) Xylem. D) Phloem. Show Answer Correct Answer: A) Pigment. 15. What role does ethylene play in the process? A) Stem elongation. B) Fruit ripening. C) Seed germination. D) Apical dominance. Show Answer Correct Answer: B) Fruit ripening. 16. Which of the following is correct relationship between hormone and its function? A) Absisic acid = Promote root growth. B) Ethylene = Fruit maturation. C) Auxin = Inhibit seed germination. D) Cytokinin= Drought tolerance. Show Answer Correct Answer: B) Ethylene = Fruit maturation. 17. Plant development is the plants ..... A) Progress through its lifecycle. B) Ability to withstand heat. C) Progress through its germination. D) Ability to be diverse. Show Answer Correct Answer: A) Progress through its lifecycle. 18. Seedling or plant that is growing excessively thin and tall due to lack of adequate light. A) Scarified. B) Stratified. C) Juvenile. D) Leggy. Show Answer Correct Answer: D) Leggy. 19. Spraying sugarcane with gibberellins increases the yield by as much as 20 tonnes per acre. GA performs it by A) Improving the quality of fruit. B) Increasing sugar content. C) Internodal elongation. D) Delaying senescence. Show Answer Correct Answer: C) Internodal elongation. 20. What are the main nutrients needed by plants during growth? A) Nitrogen, phosphorus, potassium. B) Calcium, iron, magnesium. C) Sulfur, phosphorus, calcium. D) Sodium, chlorine, phosphorus. Show Answer Correct Answer: A) Nitrogen, phosphorus, potassium. 21. What is the purpose of flowers in a plant? A) To produce pollen. B) To absorb water. C) To anchor the plant. D) To make food. Show Answer Correct Answer: A) To produce pollen. 22. It is the site of photosynthesis from start to completion. A) Chloroplast. B) Chloropyll. C) Photosynthesis. D) Vacuole. Show Answer Correct Answer: A) Chloroplast. 23. The vascular cambium is located between A) The meristem. B) The seed pod. C) The xylem and the pholem. D) The xylem and the root. Show Answer Correct Answer: C) The xylem and the pholem. 24. Plants which disregard the requirement of a definite day length for the following are called: A) Short day plants. B) Long day plants. C) Day neutral plants. D) Long short-day plants. Show Answer Correct Answer: C) Day neutral plants. 25. Embrio belum memiliki klorofil sehingga embrio di dalam biji dilengkapi dengan cadangan makanan yang terdapat di dalam kotiledon atau mengelilingi embrio. Ketika kondisi lingkungan mendukung, biji akan berkecambah. Cadangan makanan pada embrio disebut dengan ..... A) Plumula. B) Endosperma. C) Radikula. D) Epikotil. E) Hipokotil. Show Answer Correct Answer: B) Endosperma. ← PreviousNext →Related QuizzesClass 11 Biology Chapter 15 Plant Growth And Development Quiz 1Class 11 Biology Chapter 15 Plant Growth And Development Quiz 2Class 11 Biology Chapter 15 Plant Growth And Development Quiz 3Class 11 Biology Chapter 15 Plant Growth And Development Quiz 4Class 11 Biology Chapter 15 Plant Growth And Development Quiz 5Class 11 Biology Chapter 15 Plant Growth And Development Quiz 6Class 11 Biology Chapter 15 Plant Growth And Development Quiz 7Class 11 Biology Chapter 15 Plant Growth And Development Quiz 8Class 11 Biology Chapter 15 Plant Growth And Development Quiz 9Class 11 Biology Chapter 15 Plant Growth And Development Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books