This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 15 Plant Growth And Development – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 15 Plant Growth And Development Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A-cell body contain certain granular bodies called nissil's granulesR-they are the fragments of RER A) A&R both true, R is correct explanation of A. B) A&R both true, but R is not correct explanation of A. C) A is true but R is false. D) Both A&R are false. Show Answer Correct Answer: B) A&R both true, but R is not correct explanation of A. 2. Bees use their ..... to fly. A) Eyes. B) Antenea. C) Wings. D) None of the above. Show Answer Correct Answer: C) Wings. 3. It is process where pollination is required but no fertilization takes place. A) Pollination. B) Stimulative parthenocarpy. C) Abscission. D) Fertilization. Show Answer Correct Answer: B) Stimulative parthenocarpy. 4. Analyze the difference between 'spring wood' and 'summer wood': A) Spring wood is darker because it has smaller vessels. B) Summer wood has larger vessels to accommodate more water. C) Spring wood has larger vessels due to high water availability, appearing lighter. D) There is no structural difference between them. Show Answer Correct Answer: C) Spring wood has larger vessels due to high water availability, appearing lighter. 5. Environmental Factors doesn't include: A) Genetics. B) Water. C) Tempreature. D) Light. Show Answer Correct Answer: A) Genetics. 6. Jenis tanaman manakah yang beradaptasi dengan lingkungan kering? A) Halofit. B) Xerofit. C) Hidrofita. D) Mesofit. Show Answer Correct Answer: B) Xerofit. 7. Which seed can be eaten? A) Sunflower Seed. B) Apple Seed. C) Avocado seed. D) Lemon seed. Show Answer Correct Answer: A) Sunflower Seed. 8. What is the main difference between plants grown in soil versus without soil? A) Soil-grown plants get more sunlight. B) Soil-grown plants need less water. C) Soil-grown plants get better nutrients. D) Soil-grown plants grow slower. Show Answer Correct Answer: C) Soil-grown plants get better nutrients. 9. Assertion:Auxin was isolated by F.W. Went from the tips of coleoptiles of wheat seedlings.Reason:Ethylene delays the senescence. A) Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion. B) Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion. C) Assertion is true but Reason is false. D) Both Assertion and Reason are false. Show Answer Correct Answer: D) Both Assertion and Reason are false. 10. Apical meristems are A) Vegetative buds at the shoot tips. B) In the axils of leaves. C) Actively dividing. D) All of the choices. Show Answer Correct Answer: D) All of the choices. 11. Intrinsic factors affecting development include- A) Intracellular (genetic) factors. B) Intercellular factors like light. C) Intercellular factors like PGRs. D) A and c. Show Answer Correct Answer: D) A and c. 12. Which GA was the first Giberrellin to be discovered? A) GA$_{2}$. B) GA$_{3}$. C) GA$_{4}$. D) GA$_{1}$. Show Answer Correct Answer: B) GA$_{3}$. 13. Which one includes growth promoters? A) C$_{2}$H$_{4}$, ABA. B) Auxin, Cytokinin, ABA. C) Auxin, Cytokinin, GA. D) GA, Cytokinin, C$_{2}$H$_{4}$. Show Answer Correct Answer: C) Auxin, Cytokinin, GA. 14. A substance through which a plant's roots grow and extract water and nutrients. A) Cambium. B) Root apical meristem. C) Growing medium. D) Cotyledons. Show Answer Correct Answer: C) Growing medium. 15. Which of the following plant hormones can cause the base of a shoot to form new root, prevents fruit and leaf drop at early stage, to be used as herbicide / weedicide, also controls xylem differentiation and helps in cell division- A) GA. B) Cytokinin. C) Auxin. D) ABA. Show Answer Correct Answer: C) Auxin. 16. What pigment is responsible for trapping light energy from the sun? A) Anthocyanin. B) Chlorophyll. C) Carotene. D) Xanthophyll. Show Answer Correct Answer: B) Chlorophyll. 17. Grow rapidly at first, then slow, then stop A) Indeterminate growth. B) Irregular growth. C) Determinate growth. D) Regular growth. Show Answer Correct Answer: C) Determinate growth. 18. Growth promoting substance that contribute elongation of the shoots A) Auxien. B) Auxin. C) Auxxin. D) Auxiin. Show Answer Correct Answer: B) Auxin. 19. The part of the embryo that will develop into leaves is ..... A) Radikula. B) Kotiledon. C) Epikotil. D) Plumula. Show Answer Correct Answer: D) Plumula. 20. A pigment in plant cells that causes them to be green. A) Chlorophyll. B) Cytokinin. C) Photosynthesis. D) Xylem. Show Answer Correct Answer: A) Chlorophyll. 21. Vascular plants that have no woody stems. A) Herbaceous. B) Perennials. C) Annuals. D) Hybrids. Show Answer Correct Answer: A) Herbaceous. 22. What is a hormone that helps fruit ripen? A) Tropism. B) Etiolation. C) Gibberelins. D) Ethylene. Show Answer Correct Answer: D) Ethylene. 23. What animals visit flowers for sweet nectar? A) Birds and cats. B) Dogs and fish. C) Bees and butterflies. D) Spiders and ants. Show Answer Correct Answer: C) Bees and butterflies. 24. Where are stomata typically found? A) In the soil. B) In the leaves. C) In the roots. D) In the stem. Show Answer Correct Answer: B) In the leaves. 25. The thickening of trunks of trees is due to A) Non-meristemic tissue. B) The solar cambium. C) Lack of cambium. D) The vascular cambium. Show Answer Correct Answer: D) The vascular cambium. 26. The external factors that affect plant growth and development are ..... A) Water, Light, pH. B) Light, Auxin, Water. C) PH, Oxygen, Kalsium. D) Temperature, Light, Gene. Show Answer Correct Answer: A) Water, Light, pH. 27. Which amongst the following is a natural auxin? A) IAA. B) 2, 4-D. C) NAA. D) GA3. Show Answer Correct Answer: A) IAA. 28. A green photosynthetic pigment found in plants, algae, and cyanobacteria. Absorbs mostly in the blue and red electromagnetic spectrum hence its green color. A) Respiration. B) Chlorophyll. C) Transpiration. D) Photo synthesis. Show Answer Correct Answer: B) Chlorophyll. 29. Which of the following hormones causes fruits like apple to elongate and improve its shape- A) 2, 4 D. B) NAA. C) GA. D) ABA. Show Answer Correct Answer: C) GA. 30. The meaning of plant development is ..... A) The process of increasing maturity. B) The process of increasing body size. C) The process of multiplying body cells. D) Height increase process. E) Weight gain process. Show Answer Correct Answer: A) The process of increasing maturity. 31. What is the chemical process by which sugars and starches are converted to energy in plants? A) Oxidation. B) Photosynthesis. C) Transpiration. D) Respiration. Show Answer Correct Answer: D) Respiration. 32. Dina menanam sebuah biji di dalam pot yang berisi tanah. Beberapa hari kemudian, Dina melihat biji tersebut tumbuh dengan keping biji yang terangkat ke atas permukaan tanah. Tipe perkecambahan pada biji yang Dina tanam adalah ..... A) Hipogeal. B) Epikotil. C) Epigeal. D) Hipokotil. E) Kotiledon. Show Answer Correct Answer: C) Epigeal. 33. Lack of ..... result in chlorosis or yellowing of leaves A) Chloropel. B) Chlorophyll. C) Clorophyll. D) Chlorophyl. Show Answer Correct Answer: B) Chlorophyll. 34. A stress response where plants may experience severe stress that could lead to death. A) Tolerant. B) Resistant. C) Susceptible. D) Avoidance. Show Answer Correct Answer: C) Susceptible. 35. Plant tissues responsible for growth is the ..... A) Vascular tissue. B) Epidermal tissue. C) Meristematic tissue. D) Ground tissue. Show Answer Correct Answer: C) Meristematic tissue. 36. A plant that completes its life cycle in one growing season A) Biennials. B) Annuals. C) Herbaceous. D) Perennial. Show Answer Correct Answer: B) Annuals. 37. While tending to her garden one sunny afternoon, Lily discovered something unusual buried in the soil. A) A leaf. B) A flower. C) A rock. D) A seed. Show Answer Correct Answer: D) A seed. 38. Tissue in plants that conducts sugars and other metabolic products from the leaves to the rest of the plant. A) Cork cambium. B) Vascular cambium. C) Phloem. D) Xylem. Show Answer Correct Answer: C) Phloem. 39. Biji kacang hijau direndam dalam air selama 2 jam, lalu dipindahkan ke dalam wadah tertutup. Beberapa hari kemudian biji mengalami perkecambahan. Peran air pada perkecambahan biji tersebut adalah ..... A) Merangsang kerja auksin. B) Menyerap zat makanan dalam biji. C) Merangsang metabolisme embrio dalam biji untuk tumbuh. D) Mengandung zat makanan untuk pertumbuhan embrio. E) Menguraikan zat amilum dalam biji. Show Answer Correct Answer: C) Merangsang metabolisme embrio dalam biji untuk tumbuh. 40. Why do chemical fertilizers release nutrients more quickly than organic fertilizers? A) They are made from compost and manure. B) They contain more macronutrients. C) They are made from inorganic materials. D) They improve soil structure. Show Answer Correct Answer: C) They are made from inorganic materials. 41. Different colours of light can affect how much photosynthesis can occur A) Carbon dioxide concentration. B) Wavelength. C) Light intensity. D) Colours. Show Answer Correct Answer: B) Wavelength. 42. Apa definisi pertumbuhan pada tanaman? A) Pembentukan biji baru. B) Perubahan bentuk dan fungsi organ. C) Proses fotosintesis. D) Peningkatan ukuran dan jumlah sel. Show Answer Correct Answer: D) Peningkatan ukuran dan jumlah sel. 43. Zeatin was extracted for the first time from- A) Maize. B) Coconut. C) Autoclaved herring sperm. D) Fungus. Show Answer Correct Answer: A) Maize. 44. In coleoptile tissue, auxin- A) Is not transported, because auxin is used where it is made. B) Is transported by diffusion, with no preferred direction. C) Is transported from base to tip. D) Is produced by the growing apices of the stem and roots, from where they migrate to the regions of their action. Show Answer Correct Answer: D) Is produced by the growing apices of the stem and roots, from where they migrate to the regions of their action. 45. A student claims that monocots cannot grow tall because they lack secondary growth. Is this entirely accurate based on the text? A) Yes, all monocots are small grasses. B) No, some monocots like shrubs can undergo secondary growth. C) No, monocots grow tall using their lateral meristems. D) Yes, only eudicots have apical meristems. Show Answer Correct Answer: C) No, monocots grow tall using their lateral meristems. 46. The mother plant is producing another hormone, ..... which causes bthe embrayo in the developing seeds to become dormant. A) Gibberellic acid. B) Abscisic acid. C) Acids. D) Cytokinins. Show Answer Correct Answer: B) Abscisic acid. 47. Which of the following refers to the suitability of the substrate shape? A) Inhibitor kompetitif. B) Kesesuaian suhu dan pH. C) Inhibitor pada substrat. D) Kesesuaian bentuk substrat. E) Induksi substrat. Show Answer Correct Answer: D) Kesesuaian bentuk substrat. 48. Which sequence correctly traces the development of a plant cell? A) Differentiation $\rightarrow$ Division $\rightarrow$ Elongation. B) Division $\rightarrow$ Elongation $\rightarrow$ Differentiation. C) Elongation $\rightarrow$ Division $\rightarrow$ Differentiation. D) Differentiation $\rightarrow$ Elongation $\rightarrow$ Division. Show Answer Correct Answer: B) Division $\rightarrow$ Elongation $\rightarrow$ Differentiation. 49. What is it called when we remove weak plants and keep the strong plants to help them grow? A) Thinning. B) Planting. C) All the above. D) None of the above. Show Answer Correct Answer: A) Thinning. 50. What happens to photosynthesis if stomata stay closed for a long time? A) It remains the same. B) It increases. C) It fluctuates. D) It stops. Show Answer Correct Answer: D) It stops. 51. The process of water entering the seeds which can trigger germination is called ..... A) Aeration. B) Immaturity. C) Imbibition. D) Hidration. E) Introduction. Show Answer Correct Answer: C) Imbibition. 52. How do seeds get energy to germinate? A) It gets energy from the food stored in the soil. B) It gets energy from another plant,. C) It gets energy from the sunlight. D) It gets energy from the food stored in the seed. Show Answer Correct Answer: D) It gets energy from the food stored in the seed. 53. Absorbs water and minerals A) Stem. B) Flower. C) Root. D) Leaf. Show Answer Correct Answer: C) Root. 54. What percentage of a leaf's surface do stomata account for? A) 90%. B) 1%. C) 10%. D) 50%. Show Answer Correct Answer: B) 1%. 55. In the 'Zone of Cell Elongation, ' cells increase in size mainly due to: A) Division of the nucleus. B) Water diffusion by osmosis and vacuolation. C) The hardening of the cell wall with lignin. D) The shedding of the epidermis. Show Answer Correct Answer: B) Water diffusion by osmosis and vacuolation. 56. Seed needs warmth and sunlight to grow. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 57. What is the process by which plants make their own food? A) Fertilization. B) Photosynthesis. C) Transpiration. D) Respiration. Show Answer Correct Answer: B) Photosynthesis. 58. Plants will grow towards light due to the role of hormones ..... A) Kalin. B) Auxin. C) Ethylene. D) Cytokinins. E) Gibberellins. Show Answer Correct Answer: B) Auxin. 59. Why might a farmer choose organic fertilizers over chemical fertilizers? A) They improve soil structure. B) They are less expensive. C) Organic fertilizers release more nutrients. D) Organic fertilizers work faster. Show Answer Correct Answer: A) They improve soil structure. 60. The following are internal factors that influence plant growth and development, namely ..... A) Genes and air. B) Genes and hormones. C) Water and light. D) Water and air. E) Water and hormones. Show Answer Correct Answer: B) Genes and hormones. ← PreviousNext →Related QuizzesScience QuizzesClass 11 QuizzesClass 11 Biology Chapter 15 Plant Growth And Development Quiz 1Class 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books