This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 15 Plant Growth And Development – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 15 Plant Growth And Development Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Where is auxin produced? A) Coleoptile, tip of the stem, tip of the root. B) Old leaves. C) Ripening fruit. D) Cambium. Show Answer Correct Answer: A) Coleoptile, tip of the stem, tip of the root. 2. Support the plant A) Root. B) Leaf. C) Stem. D) Flower. Show Answer Correct Answer: C) Stem. 3. Bees have a ..... body, which allows pollen to stick to it. A) Yellow. B) Hairy. C) Pointy. D) None of the above. Show Answer Correct Answer: B) Hairy. 4. The Science of using crops and animals to transform solar energy into usable products is A) Agronomy. B) Horticulture. C) Agriculture. D) Biology. Show Answer Correct Answer: C) Agriculture. 5. Tissues are groups of cells that work together to form organs. Which of these is NOT a type of plant tissue. A) Dermal. B) Neural. C) Vascular. D) Ground. Show Answer Correct Answer: B) Neural. 6. Faktor eksternal yang diperlukan untuk perkecambahan biji adalah ..... A) Cahaya, air, dan suhu yang sesuai. B) Hormon dan enzim. C) Jaringan meristem dan kambium. D) Fotosintesis dan respirasi. Show Answer Correct Answer: A) Cahaya, air, dan suhu yang sesuai. 7. Which phase of growth is characterized by structural differentiation? A) Formative Phase. B) Phase of Maturation. C) Differentiation Phase. D) Phase of Enlargement. Show Answer Correct Answer: B) Phase of Maturation. 8. Artificial ripening of fruits is caused by the treatment of A) IAA. B) NAA. C) Ethylene. D) Kinetin. Show Answer Correct Answer: C) Ethylene. 9. The layer that covers the apical meristem of a root is called the A) Pericycle. B) Taproot. C) Root cap. D) Root hair. Show Answer Correct Answer: C) Root cap. 10. What are xylem vessels? A) Spaces between leaves. B) Small tubes connecting stem and leaves. C) Places where seeds form. D) Areas where roots end. Show Answer Correct Answer: B) Small tubes connecting stem and leaves. 11. The part of the embryo that will develop into roots is ..... A) Kotiledon. B) Radikula. C) Plumula. D) Hipokotil. Show Answer Correct Answer: B) Radikula. 12. What is the primary role of ethylene in plants? A) Stimulates fruit ripening. B) Promotes cell division. C) Enhances photosynthesis. D) Inhibits growth. Show Answer Correct Answer: A) Stimulates fruit ripening. 13. Fruit and leaf drop at early stages can be prevented by the application of: A) Ethylene. B) Auxins. C) Gibberellic acid. D) Cytokinins. Show Answer Correct Answer: B) Auxins. 14. A hormone that stimulates stem elongation A) Tropism. B) Auxin. C) Gibberellins. D) Cytokinin. Show Answer Correct Answer: C) Gibberellins. 15. What are the essential factors that plants need for growth? A) Air, sunlight, water, space, and nutrients. B) Air, sunlight, water, soil, and fertilizer. C) Air, sunlight, water, space, and pesticides. D) Air, sunlight, water, soil, and chemicals. Show Answer Correct Answer: A) Air, sunlight, water, space, and nutrients. 16. What do plants need for successful germination? A) Soil and fertilizer. B) Water and appropriate temperature. C) Sunlight and air. D) All types of nutrients. Show Answer Correct Answer: B) Water and appropriate temperature. 17. Which pigment involved in photoperiodic change in plants? A) Phytochrome. B) Cytochrome. C) Chlorophyll. D) Anthocyanin. Show Answer Correct Answer: A) Phytochrome. 18. Electron transport system occurs in the A) Cytoplasm. B) Mitochondria. C) Chloroplast. D) Vacuole. Show Answer Correct Answer: B) Mitochondria. 19. Division of cambium inward will form ..... A) Bark. B) Wood. C) Leaves. D) Flowers. Show Answer Correct Answer: B) Wood. 20. What is the male part of a flower? A) Pistil. B) Stamen. C) Stem. D) Leaf. Show Answer Correct Answer: B) Stamen. 21. Glycolysis occur in the A) Cytoplasm. B) Mitochondria. C) Chloroplast. D) Vacuole. Show Answer Correct Answer: A) Cytoplasm. 22. A colorless, odorless reactive gas and a life-supporting component of the air. It is naturally present in air and is produced by plants in photosynthesis. A) Nitrogen. B) Carbon Dioxide. C) Oxygen. D) Hydrogen. Show Answer Correct Answer: C) Oxygen. 23. A sigmoid growth curve is characteristic of- A) Bacteria growing in culture medium. B) Organisms growing in natural habitat. C) All cells, tissue and organs. D) All. Show Answer Correct Answer: D) All. 24. A perennial plant's state of temporary metabolic inactivity. In this state the plant stops growing and conserves energy. A) Germination. B) Vigorous. C) Dormancy. D) Hardening off. Show Answer Correct Answer: C) Dormancy. 25. Hormone involved in phototropism is A) IAA. B) Gibberellin. C) Kinetin. D) 2, 4-D. Show Answer Correct Answer: A) IAA. ← 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