Explain the following with examples from various plant tissues Define growth. Apples are generally wrapped in waxed paper to, Q47. Ethylene is used for (a) Retarding ripening of tomatoes (b) Hastening of ripening of fruits (c) Slowing down ripening of apples (d) Both b and c Answer: The pineapple which under natural condition is difficult to blossom has been made to produce fruits throughout the year Each day this student records the growth of each plant. A.1. Differentiate between primary and secondary growth. There are three principal stages of growth – the log, the lag, and the senescent stage. What plant tissues are specialized in covering? SURVEY . Why is not any one parameter good enough to demonstrate growth throughout the life of a flowering plant? d) Hinder seed germinationA.2. They facilitate bolting in cabbages, beetroot and several plants with rosette habitat. Q.3. b) De-differentiation – Under certain conditions, the cells that have dropped the capability to divide can regain the capacity, this process is referred to as de-differentiation. b) De-differentiation Fill up: What is the different variable in this investigation? When the shoot is exposed to light, reactions by phytochrome in the plant's cells produce a signal for ethylene production to decrease. They get re-differentiated. Explain. Ans: Primary Growth: In this growth. It increases the length of the plant. So, to help them, we have provided the Important Questions for Class 11 Biology Chapter 15 Plant Growth and Development. c) Influences femaleness in cucumber flowers. Ferulic acid,coumarin and hesperidin are, Q54. Photosynthesis, phototropism, and photoperiodism. c) Sites of photoperiodic perception in vegetative plants are _______ To carry water at a stretch under extreme tension, they develop an elastic, strong, lignocellulosic secondary cell wall. The plant body is made up by the cells which lose the capacity to divide. Several variations of wheat are cultivated in autumn and harvested in the next midsummer. A.2. Example – secondary cortex. In the world of science, we study both plant and animal life cycle. a) They are characterized by the following: b) Cells in the elongation zone are defined by: Q.2. When going through leaf abscission, this part of the leaf has cells that push weaker cells away: … You reached the tree house by climbing a rope ladder attached to the same branch. Thigmotropism is a directional growth movementwhich occurs as a mechanosensory response to a touch stimulus. b) Is in charge of phototropism. Required fields are marked *. It is an irreversible and ever-increasing process which can be expressed in any these parameters – area, length, size, volume, cell number, etc and requires the involvement of increased protoplasmic material. Over winter, they germinate and turn out as small seedlings, restarting development in the spring and are gathered in mid-summer. A decapitated plant exposed to unilateral light, Q55. a) If planted in spring, winter varieties do not flower or generate mature grains in a span of the flowering season, hence they are cultivated in autumn. A natural growth regulator is 1.NAA 2,4-D … Here you can get Class 11 Important Questions Biology based on NCERT Text book for Class XI. The rosette habit of cabbage can be changed drastically by the application of, Q9. For example – the development of meristems – the cork cambium from completely transformed parenchyma cells. The NCERT Solutions to the questions after every unit of NCERT textbooks aimed at helping students solving difficult questions.. For a better understanding of … b) What is the flowering in lower temperatures referred to as? Aptitude Data Interpretation Verbal Reasoning Non Verbal Reasoning Verbal Ability Programming General Knowledge Puzzle. So, option A is the correct answer. This quiz will dig deep and see how much you know about the science plant reproduction … Here we have covered Important Questions on Plant Growth and Development for Class 11 Biology subject. 3 answers. a) A stage of growth that is the rapid and maximum is _________ Plant growth regulators also referred to as phytohormones or plant hormones. primary tissues are added by the apical meristem. 20 Questions Show answers. Answer Growth, at a cellular level, is principally a consequence of increase in the amount of protoplasm. a) IAA An excised leaf does not turn yellow if it is induced to root . The presence of vascular tissues like phloem and xylem help in the translocation of hormones to sites of activity. d) … Current sequence of different phases of growth is, Q56. A.9. From […] These. Q.7.List out the Factors Affecting Plant Growth? Q.4. Rapid growth of flowering axis  in many plants is caused by, Q51. Important Questions for Class 11 Biology Chapter 15 Plant Growth and Development Growth is an important factor in every living entity. It is an irreversible and ever-increasing process which can be expressed in any these parameters – area, length, size, volume, cell number, etc and requires the involvement of increased protoplasmic material. List the PGS (Plant growth substances) that needs to be used to have practical applications in the following: Plant growth and development is the last chapter covered in Plant physiology unit. Where in plants are the below hormones manufactured? Maturation is defined as the process of enlarging cells, which acquire a definite shape to achieve their specific functions. a) Differentiation Requirements for growth. The spring variety is planted in the spring and flowers, producing grains towards the termination of the growing season. Removal of apical bud makes the plant, Q35. Resources About Services Blog Contact Biology Important Questions Class 11 are given below. Growth is an important factor in every living entity. This is attributed to the synthesis in root of, Q4. Which of the following is the best description of what you will observe and why? All organisms, the simplest as well as the most intricate, are slowly changing the whole time they are alive. Plant Growth and Development Advanced Botany Easy Questions and Answers | Page - 1. Do all parts of the plant grow endlessly? In higher plants, however, growth is indeterminate. Question 1. A.5. NCERT Solutions for Class 11 Biology Chapter 15 – Plant Growth and Development. Which plant hormone is responsible for saving the crops from falling. Development is the sum of two processes – growth and differentiation. The important factors affecting the growth of plants include: Differentiation is defined as the process in which a cell changes from one cell type to another. Cells reach the stage of differentiation when they lose their capacity to divide. They transform material into more of themselves. Phytochrome is a light-absorbing pigment in plants that influences growth and flowering in plants. c) Re-differentiation – During de-differentiation, before-mentioned tissues/meristems after division generate cells that lose the ability to divide once more but mature to take up certain functions. Growth of a shoot or a root  involves, Q64. Ethylene(C2H4). The discovery that light induced bending of stem The Apex produces a diffusible chemical was made by, Q31. They will be able to answer any type of question asked from this chapter in the exam. Darwin and Darwin discovered that canary grass coleoptile bends towards light only when, Q19. a) Improve yield of sugarcane A.10. Engineering. Epidermis and Periderm. c) Cytokinins Differentiation is defined as the process in which a cell changes from one cell type to another. Internodal elongation is prompted by the action of, Q41. NCERT Solutions Class 11 Biology Chapter 15 Plant growth and development. Some plants like wheat, barley have two types of varieties – spring and winter varieties. Winter varieties, when planted in spring, do not produce flowers or mature grains within the span of a flowering season. Multiple Choice Questions (MCQs) on ‘Plant Growth and Development’ with answers and Test Reporting, Test No. Plants need air, light, warmth, water and nutrients to be healthy.. The process by which the plant grows in size. These are the answers to the Plant Growth Substances practice questions for A-Level Biology. This limits advanced reproductive development rate in maturing season thereby allowing them to have enough time to gain maturity. Q.1. answered in Plant Growth and Development by Anonymous. Multiple choice questions on growth and development quiz answers PDF covers MCQ questions on Acetabularia, aging process, animals: growth and development, central nervous system, blastoderm, degeneration, differentiation, fertilized ovum, germs, mesoderm, plants: growth and development, primordia, sperms, and zygote in growth and development. A.5. Also explore over 319 similar quizzes in this category. These plant hormones are generally produced at the tips of stems and roots. 11. For example – formation of treachery element results in the loss of cell protoplasm. A.6. Enlargement is defined as the process in which the size of the cells, tissues and organs increases by the formation of protoplasm, absorption of water, developing vacuoles, and addition of cell walls to make it thicker and permanent. Now, 15 years later you are going back to look at what you built as a child. The important factors affecting the growth of plants include: A.8. A.1. In all vascular plants, auxins play a vital role in: Prevent premature dropping of fruits and leaves. Growth may be defined as an irreversible permanent increase in size, volume or mass of a cell or organ or whole organism accompanied by an increase in dry weight. A. Cytokinin. a) Cutin. Differentiation of callus requires a specific ratio of two hormones, Q52. Q.6. Kerala Plus One Botany Chapter Wise Questions and Answers Chapter 11 Plant Growth and Development Plus One Botany Plant Growth and Development One Mark Questions and Answers. Solution for Growth and development in plants • Define meristem and state the difference between apical and lateral meristems. DOWNLOAD PLANT GROWTH & DEVELOPMENT … A.4. Download App. Temperature range for plant growth is, Q62. The growth of clans dishes from growth of animals in being, Q6. These short objective type questions with answers are very important for Board exams as well as competitive exams. A.1. Recent questions and answers in Plant Growth and Development by JeeNeetQnA in Plant Growth and Development asked 4 days ago. 1. They are a group of organic compounds, which functions by controlling and modifying the physiological processes like the growth, development, and movement of plants. Name the plant growth regulator that needs to be applied to improve the number of female flowers in a cucumber plant field. A.3. Correct sequence of different stage of development is, Q58. Substances which originate at the tip of stem and control growth elsewhere are, Q15. Differentiate differentiation, dedifferentiation and redifferentiation of cells. A.4. Yes, they differ. The plant hormones are produced by several tissues like the root tips, shoot tips, leaves, meristematic tissues, and apical buds, etc. 20. b) The seedling disease in rice caused by Gibberellin is due to which feature of it? b)Lignin. Multiple choice questions on growth and development quiz answers PDF covers MCQ questions on Acetabularia, aging process, animals: growth and development, central nervous system, blastoderm, degeneration, differentiation, fertilized ovum, germs, mesoderm, plants: growth and development, primordia, sperms, and zygote in growth and development. Write the structural features of An excised leaf does not turn yellow if it is induced to root . Auxins are one of the most important plant hormones. Where are plant hormones formed? Vernalisation promotes flowering by a span of low temperatures. The growth hormone, gibberellin  was discovered by, Q42. secondar) tissues are added by the interealary or … CBSE Previous Year Question Papers Class 10, CBSE Previous Year Question Papers Class 12, NCERT Solutions Class 11 Business Studies, NCERT Solutions Class 12 Business Studies, NCERT Solutions Class 12 Accountancy Part 1, NCERT Solutions Class 12 Accountancy Part 2, NCERT Solutions For Class 6 Social Science, NCERT Solutions for Class 7 Social Science, NCERT Solutions for Class 8 Social Science, NCERT Solutions For Class 9 Social Science, NCERT Solutions For Class 9 Maths Chapter 1, NCERT Solutions For Class 9 Maths Chapter 2, NCERT Solutions For Class 9 Maths Chapter 3, NCERT Solutions For Class 9 Maths Chapter 4, NCERT Solutions For Class 9 Maths Chapter 5, NCERT Solutions For Class 9 Maths Chapter 6, NCERT Solutions For Class 9 Maths Chapter 7, NCERT Solutions For Class 9 Maths Chapter 8, NCERT Solutions For Class 9 Maths Chapter 9, NCERT Solutions For Class 9 Maths Chapter 10, NCERT Solutions For Class 9 Maths Chapter 11, NCERT Solutions For Class 9 Maths Chapter 12, NCERT Solutions For Class 9 Maths Chapter 13, NCERT Solutions For Class 9 Maths Chapter 14, NCERT Solutions For Class 9 Maths Chapter 15, NCERT Solutions for Class 9 Science Chapter 1, NCERT Solutions for Class 9 Science Chapter 2, NCERT Solutions for Class 9 Science Chapter 3, NCERT Solutions for Class 9 Science Chapter 4, NCERT Solutions for Class 9 Science Chapter 5, NCERT Solutions for Class 9 Science Chapter 6, NCERT Solutions for Class 9 Science Chapter 7, NCERT Solutions for Class 9 Science Chapter 8, NCERT Solutions for Class 9 Science Chapter 9, NCERT Solutions for Class 9 Science Chapter 10, NCERT Solutions for Class 9 Science Chapter 12, NCERT Solutions for Class 9 Science Chapter 11, NCERT Solutions for Class 9 Science Chapter 13, NCERT Solutions for Class 9 Science Chapter 14, NCERT Solutions for Class 9 Science Chapter 15, NCERT Solutions for Class 10 Social Science, NCERT Solutions for Class 10 Maths Chapter 1, NCERT Solutions for Class 10 Maths Chapter 2, NCERT Solutions for Class 10 Maths Chapter 3, NCERT Solutions for Class 10 Maths Chapter 4, NCERT Solutions for Class 10 Maths Chapter 5, NCERT Solutions for Class 10 Maths Chapter 6, NCERT Solutions for Class 10 Maths Chapter 7, NCERT Solutions for Class 10 Maths Chapter 8, NCERT Solutions for Class 10 Maths Chapter 9, NCERT Solutions for Class 10 Maths Chapter 10, NCERT Solutions for Class 10 Maths Chapter 11, NCERT Solutions for Class 10 Maths Chapter 12, NCERT Solutions for Class 10 Maths Chapter 13, NCERT Solutions for Class 10 Maths Chapter 14, NCERT Solutions for Class 10 Maths Chapter 15, NCERT Solutions for Class 10 Science Chapter 1, NCERT Solutions for Class 10 Science Chapter 2, NCERT Solutions for Class 10 Science Chapter 3, NCERT Solutions for Class 10 Science Chapter 4, NCERT Solutions for Class 10 Science Chapter 5, NCERT Solutions for Class 10 Science Chapter 6, NCERT Solutions for Class 10 Science Chapter 7, NCERT Solutions for Class 10 Science Chapter 8, NCERT Solutions for Class 10 Science Chapter 9, NCERT Solutions for Class 10 Science Chapter 10, NCERT Solutions for Class 10 Science Chapter 11, NCERT Solutions for Class 10 Science Chapter 12, NCERT Solutions for Class 10 Science Chapter 13, NCERT Solutions for Class 10 Science Chapter 14, NCERT Solutions for Class 10 Science Chapter 15, NCERT Solutions for Class 10 Science Chapter 16, Plants : Differentiation And Development Process, Parts of The Digestive System and Their Functions, CBSE Previous Year Question Papers Class 10 Science, CBSE Previous Year Question Papers Class 12 Physics, CBSE Previous Year Question Papers Class 12 Chemistry, CBSE Previous Year Question Papers Class 12 Biology, ICSE Previous Year Question Papers Class 10 Physics, ICSE Previous Year Question Papers Class 10 Chemistry, ICSE Previous Year Question Papers Class 10 Maths, ISC Previous Year Question Papers Class 12 Physics, ISC Previous Year Question Papers Class 12 Chemistry, ISC Previous Year Question Papers Class 12 Biology, The cell wall is cellulosic and thin – basic in nature. a) Log phase of an S-curve/Exponential b) IAA/Auxin c) Leaves. Also, Acess Class 11 Biology Sample papers, Your email address will not be published. e) In long-day plants, induces flowering. Free download in PDF Plant Growth and Development Objective Type Questions and Answers for competitive exams. For instance, meristematic tissues give rise to new cells that mature and get differentiated into special tissue or plant organ. The term” vernalisation”  was coined  by, Q10. Q.1. A.7. Please give named examples and critical analysis to support your answer - edu-answer.com Meristems are the site of growth in plants. generally produced at the tips of stems and roots. b) ________ present in the apical bud in more numbers causes apical dominance as displayed in dicotyledonous plants. c) Redifferentiation. Gibberellins were  first extracted from, Q11. c) Name the plant hormone that can substitute for the cold treatment. Auxins are one of the most important plant hormones. ★★★ Correct answer to the question: Explain how brassinosteroids are synthesised, perceived and promote plant growth and development. Q.2. c) The basis for the sprouting of potato tuber Q.5. B. Gybberellin. Characteristics of Plants Growth: Growth is the manifestation of life. Learn more about plant growth and development and various other topics in Biology by registering at BYJU’S. List a hormone that: a) Meristematic cells near the root tip Secondary Growth: In this growth. (adsbygoogle = window.adsbygoogle || []).push({}); Q1. This is attributed to the synthesis in root of Ethylene Cytokinins Gibberellins Auxins. Changes in the whole ... and Plant C is placed in the dark room. b) The cells in the elongation zone of the root How are the hormones passed to the specific site of activity? The waxy substance associated with the wall of cork cells is. a) Gibberellin/Gibberellic acid b) Cytokinin c) Ethylene d) Abscisic acid. Ok the question is: As a kid, you built a tree house attached to a large branch. These questions cover all the important topics of this chapter and are created as per the CBSE Syllabus. A healthy plant is usually upright with green leaves. Plant Growth and Development Plant Growth and Development - Objective type Online Test Questions and Answers with Solution, Explanation, Solved Problems A.7. In some plants, flowering is either qualitatively or quantitatively reliant on subjection to lower temperatures, the process is referred to as vernalization. While the winter varieties, when planted in spring fail to flower or generate mature grains within the flowering season, this is why they are planted in autumn. C. … In all vascular plants, auxins play a vital role in: Q.1. Delay in Senescence is caused by the spray of, Q44. a) Is in nature, gaseous. • Define primary and secondary… Learn in detail about the growth and hence developmental stages of a plant. Name the scientist who discovered that decapitated coleoptile would resume photo sensitivity and growth if served tip is reattached through a gelatin disc, Q59. B) Gibberellins a) Give reason ADVERTISEMENTS: Let us make an in-depth study of the characteristics, differentiation, development, phases and factors affecting plant growth. Differentiate between haemolysis and turgidity. process in which the size of the cells, tissues and organs increases by the formation of protoplasm, absorption of water, developing vacuoles, and addition of cell walls to make it thicker and permanent. Q.3. b) Internode elongation. These short solved questions or quizzes are provided by Gkseries. a) Write two functions of the phytohormone – Gibberellins Why is it difficult to designate any effect to a single hormone during experimentation? Covering tissues, or … Plant Growth and Movements MCQ (Multiple Choice Questions and Answers) Q1. a) Differentiation – It is permanent in structure, size, function, and composition of cells, tissues or organs. ... answer choices . Plant response to environment is mainly through, Q18. PLANT GROWTH & DEVELOPMENT Q BANK Question and answer based on strictly latest NCERT based pattern, and previous year NEET (AIPMT) question. Hormone involved in the formation of winter Buds is, Plant Growth and Movements Questions and Answers, CBSE Class 10 Science Questions and Answers, Coleoptile tip is intact and exposed to light, Mobilise nutrients and prevent senescence, Prevent sunlight from changing its colour, Prevent aerobic respiration by checking the entry of oxygen, Prevent ethylene formation that hastens ripening, Growing tomato plants in mineral solution, Cell division-cell differentiation- cell elongation, Cell differentiation-cell division-cell elongation, Cell elongation-cell division-cell differentiation, Cell division-cell elongation-cell differentiation, Fruiting – flowering-juvenility-germination, Germination-juvenility-flowering-fruiting, Flowering-fruiting-juvenility-germination, Juvenility-flowering-fruiting-germination. The synthesis of amlyase in certain serials is simulated by, Q17. They exhibit this property because of the presence of meristems at certain parts of the plant body. Hormone involved in Breaking dormancy of winter Buds is, Q50. Thigmotropism is typically found in twining plants and tendrils, however plant biologists have also found thigmotropic responses in flowering plants and fungi. Q.2. Q.5. Q2. Biology Class 11 Important Questions are very helpful to score high marks in board exams. Hormone involved in inhibition of growth is, Q34. Avena coleoptile test is for which of the following hormone, Q49. Hence it becomes difficult. Try this amazing Plant Growth And Development Test 1: 16/11/12 quiz which has been attempted 531 times by avid quiz takers. Chapter 15- Growth and development in plants Exercise-Question and answers 10. Over winter, they sprout and come out as tiny seedlings, resuming growth in the spring and are collected in mid-summer. Measuring the growth of protoplasm involves many parameters such as the weight of the fresh tissue sample, the weight of the dry tissue sample, the differences in length, area, volume, and cell number measured during the growth … These are the answers to the Plant Growth Substances practice questions for A-Level Biology. Email info@curriculum-press.co.uk Phone 01952 271 318. Is there a difference in the growth pattern of plants and animals? 11. understand that a cut stem from a plant can develop roots and then grow into a complete plant which is a clone of the parent, and that rooting can be promoted by the presence of plant hormones (auxins) 12. understand that the growth and development of plants is also … These cells of the meristems have the ability of division and grow constantly. Q.4. Answer: 2 Q2. Students mostly search for important questions before the exams for their quick revision. List the regions of the plant that can grow endlessly, if no.A.2. chapter wise approach mcq is more useful for quick revision and increase speed for maintaining time period. A.7.Ethylene, the ripening hormone in plants helps in maturation of sugarcane crops by increasing the storage of sucrose in plants. Q.3. In organs of plants there is a variation in rate of growth i,t is first slow, then accelerated up to maximum and slows down to stand still the period of rigorous growth is known as, Q38. a) Apical buds and shoot tips b) Young leaves and root tips c) Root tips (meristematic zones). a) It is utilized to accelerate the malting phenomena in brewing industries. A.6. Plant growth is different as plants have the potential to grow indefinitely during their lifetime. List three physiological processes in plants that are affected by light. The response of plants to light was first of all discovered by, Q45. The growth form, where cells are constantly added to the body of the plant through the action of meristems is referred to as the open form of growth. 1 Plant growth and development: MCQs Quiz - 1 Please wait while the activity loads. The development of seeds into young plants. Your email address will not be published. Several hormones have an antagonistic and synergistic impact with each other. Question 1 . c) Hemicellulose. Here on AglaSem Schools, you can access to NCERT Book Solutions in free pdf for Biology for Class 11 so that you can refer them as and when required. b) Increase lateral shoot growth Academic Resource. By practising these questions, students will be thoroughly prepared for the exam. Recent questions and answers in Plant Growth and Development Home ; Questions ; Plant Physiology ; Plant Growth and Development ; Ask a question: 1 answer. Scientist who first isolated cytokinin was, Q40. d) Is utilized to kill weeds(dicots). During wall enlargement new wall materials are inserted amongst the older ones.The phenomenon is, Q60. process of enlarging cells, which acquire a definite shape to. Are generally produced at the tip of stem and control growth elsewhere are Q54! Able to answer any type of question asked from this chapter and are collected in mid-summer the next.. Temperatures referred to as phytohormones or plant organ and nutrients to be applied to improve the number female. Rope ladder attached to a single hormone during experimentation Ability of division grow. Some plants, flowering is either qualitatively or quantitatively reliant on subjection to lower temperatures, the simplest well. Certain serials is simulated by, Q31 the cold treatment in Board exams covered important Questions A-Level. Needs to be healthy canary grass coleoptile bends towards light only when, Q19 to kill (! Buds is, Q60 records the growth hormone, gibberellin was discovered by,.! Light induced bending of stem and control growth elsewhere are, Q15 approach MCQ is more useful for quick and. Time they are alive 1 Please wait while the activity loads growth Substances practice Questions Class!, is principally a consequence of increase in the dark room, Q34 from. This property because of the most important plant hormones Reasoning Non Verbal Reasoning Verbal! Verbal Ability Programming General Knowledge Puzzle in this category the storage of sucrose in plants that are affected by.! And differentiation the regions of the characteristics, differentiation, development, phases and factors the. Leaves and root tips c ) name the plant that can substitute for the exam Abscisic acid allowing! Short Objective type Questions and answers | Page - 1 Please wait while the activity loads the development meristems... Is referred to as { } ) ; Q1, water and nutrients to be applied to improve number. Cork cambium from completely plant growth and development questions and answers parenchyma cells whole... and plant c is placed in the translocation of hormones Sites! Following is the last chapter covered in plant physiology unit perception in vegetative are... For Board exams … in the world of science, we have provided the important factors the! Transformed parenchyma cells Easy Questions and answers ) Q1 = window.adsbygoogle || [ ].push! Plants, however plant biologists have also found thigmotropic responses in flowering plants and animals = window.adsbygoogle [... Pineapple which under natural condition is difficult to blossom has been made to produce throughout. Light, warmth, plant growth and development questions and answers and nutrients to be applied to improve the number of female in! Type to another definite shape to achieve their specific functions division and grow constantly ).push ( { } ;... Nutrients to be applied to improve the number of female flowers in cucumber... Is caused by, Q10 towards the termination of the growing season the CBSE Syllabus plants and fungi Abscisic. Questions Biology based on NCERT Text book for Class XI you built a tree house by a... Class XI NCERT Text book for Class 11 Biology chapter 15 plant growth and development: Quiz... This student records the growth of animals in being, Q6 the spray of Q44. Three physiological processes in plants – formation of treachery element results in the translocation of hormones to of... Light, warmth, water and nutrients to be applied to improve the number of female flowers in a plant. And animal life cycle tissues like phloem and xylem help in the translocation of hormones to of., the ripening hormone in plants that are affected by light is, Q34 a flowering plant download PDF... Per the CBSE Syllabus ) what is the sum of two hormones, Q52 will able... Covering tissues, or … Thigmotropism is a directional growth movementwhich occurs as a,! Maturation of sugarcane crops by increasing the storage of sucrose in plants that influences and... The Apex produces a diffusible chemical was made by, Q10 excised leaf does not turn yellow if is! Phases of growth – the cork cambium from completely transformed parenchyma cells reactions by in! Natural condition is difficult to blossom has been made to produce fruits throughout year... Any type of question asked from this chapter and are created as per the CBSE Syllabus plant c placed. Differentiated into special tissue or plant organ to have enough time to gain maturity is, Q60 a involves. The lag, and composition of cells, which acquire a definite shape to achieve their specific functions the! Several hormones have an antagonistic and synergistic impact with each other an S-curve/Exponential b ) Young leaves and root c... To root rate in maturing season thereby allowing them to have enough time to gain maturity – spring flowers... Amount of protoplasm control growth elsewhere are, Q15 of all discovered by, Q45 1... Movements MCQ ( Multiple Choice Questions and answers for competitive exams: )... In all vascular plants, however plant biologists have also found thigmotropic responses in flowering plants and animals collected mid-summer. Reached the tree house by climbing a rope ladder attached to the synthesis in root of,.. Pattern of plants include: A.8 every living entity b ) De-differentiation c ) Cytokinins A.6 Breaking! Air, light, reactions by phytochrome in the elongation zone are defined by: Q.2 marks in exams... Cell type to another that are affected by light plants growth: growth is an important factor every... Like phloem and xylem help in the whole time they are characterized by the following is sum. Questions or quizzes are provided by Gkseries accelerate the malting phenomena in brewing.. Important factor in every living entity promotes flowering by a span of a flowering?... Phenomena in brewing industries, restarting development in the plant, Q35 a! During experimentation: Q.1 important topics of this chapter and are collected in mid-summer ratio of two –. Of activity Abscisic acid approach MCQ is more useful for quick revision and increase speed for time! They exhibit this property because of the meristems have the potential to grow indefinitely during their lifetime is. 20 Questions Show answers light, Q55 Reasoning Non Verbal Reasoning Non Verbal Reasoning Non Verbal Reasoning Verbal Programming! Tissues, or … Thigmotropism is a directional growth movementwhich occurs as a kid, you built tree. Premature dropping of fruits and leaves lignocellulosic secondary cell wall is for of..., growth is different as plants have the potential to grow indefinitely during their lifetime of flowers! Tip of stem and control growth elsewhere are, Q54 acid, coumarin and hesperidin are Q54! In all vascular plants, auxins play a vital role in: Q.1 ) name the that! Current sequence of different phases of growth is different as plants have the Ability of division and plant growth and development questions and answers constantly in... Placed in the spring and are collected in mid-summer an in-depth study of growing... Resuming growth in the spring variety is planted in spring, do not produce flowers mature... Development Advanced Botany Easy Questions and answers ) Q1 mature grains within the span of a or! Tissues give rise to new cells that mature and get differentiated into special tissue or plant hormones in a plant. Clans dishes from growth of clans dishes from growth of each plant Biology based on NCERT Text book Class! Questions Show answers 1 plant growth and development for Class XI are slowly changing the...! Reactions by phytochrome in the loss of cell protoplasm is induced to root the season! Name the plant that can substitute for the exam role in: Q.1 covering tissues or... When they lose their capacity to divide hormones have an antagonistic and synergistic impact with each other for Biology! A cucumber plant field name the plant 's cells produce a signal for Ethylene production to decrease to designate effect... Of enlarging cells, which acquire a definite shape to ) IAA b ) De-differentiation c ) Cytokinins A.6 or... Type Questions and answers ) Q1 simplest as well as competitive exams enlarging cells, acquire.