49. Oops! (d) Apogamy, Question 31. The stalk of the ovule is called _____ . Sepals and petals orperianth are inconspicuous in entomophilous flowers. Answer: Explaination: Tapetum is the innermost. Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. How does a farmer use the dormancy of seeds to his advantage? [AI 2014]. educatedzone.com provides … (b) Fusion of egg and pollen nuder of two pollen grains Answer: Explaination: Four microsporangia. Free PDF Download of CBSE Biology Multiple Choice Questions for Class 12 with Answers Chapter 2 Sexual Reproduction in Flowering Plants. (c) Nucellus (a) Endosperm, nucellus and egg (b) Mango When does cell wall formation start, in the organisation of the embryo sac? (c) Fusion of two polar nuclei with one male gamete pollen to the stigma of the pistil. In a fertilised embryo sac, the haploid, diploid and triploid structures are: [NCERT Exemplar] (a) Synergid, zygote and primary endosperm nucleus. Answer: Explaination: Lupinus arcticus and Phoenix dactylifera. – Since, parthenocarpic fruits are seedless or the seeds are non-viable, banana is propagated by vegetative means. Answer: Explaination: (a) Chalaza represents the basal part and (b) embryo sac, the female gametophyte. 12th Class Biology Chapter Wise MCQs: Karachi board, Sukkur board, Hyderabad board, Larkana board, Mirpur Khas board. (c) Triploid – In this case, some of the nucellar cells surrounding the embryo sac start dividing, protrude into embryo sac and develop into embryos. (c) Flowers often have single ovule. (b) Name the cell in which they are present. How many male gametophytes can this anther produce? Question 1. This test is objective type and consists of Biology MCQs. How is fertilisation by a self-incompatible pollen prevented? 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Students can solve NCERT Class 12 Biology Sexual Reproduction in Flowering Plants MCQs Pdf with Answers to know their preparation level. November 13, 2019 by Veerendra. (d) Egg and antipodals. We have provided Sexual Reproduction in Flowering Plants Class 12 Biology MCQs Questions with Answers to help students understand the concept very well. (a) Fusion of two eggs 84. Occurrence of more than one embryo in a seed, is known as ______ . 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(a) Nucellus (b) Outer integument (c) Ovary wall (d) Inner integument. 69. Why is banana referred to as a parthenocarpic fruit? The following statements describe the wind-pollinated plants. (d) 20, Question 23. (b) Development of an organ from a cell in a medium Pollination in Lotus is: The outer integument of the ovule develops into _____ after fertilisation. 52. [AI 2010C; HOTS]. Students can solve NCERT Class 12 Biology Sexual Reproduction in Flowering Plants MCQs Pdf with Answers to know their preparation level. (c) Mesogamy 66. (d) Pedicel. [Foreign 2014]. Why do com cobs have long tassels? grasses, Citrus, mango and members of Asteraceae. Students can solve NCERT Class 12 Biology Biotechnology: Principles and Processes MCQs … (b) Synergid, antipodal and polar nuclei. What will be the ploidy level of the endosperm that will develop after double fertilisation? MCQs Questions for Class 12 Biology Chapter Wise. Name two groups of plants where water is the medium for transport of male gametes. Write the difference in the structure of their ovaries. Physics MCQs for Class 12 all Chapter | F.Sc. [Delhi 2013,10; HOTS]. (c) 25 (c) Parthenocarpy Carpels in a flower are fused together. Kapil We have provided Biological Classification Class 11 Biology MCQs … In an ovule meiotic takes place in: It is called: 70. If you have any queries regarding Sexual Reproduction in Flowering Plants CBSE Class 12 Biology MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon. 75. The questions in these free online tests or quizzes are important for CBSE Class 12 Biology Board Exam as well as Medical Entrance … Choose the correct statement from the following. Name the seeds that have retained their viability for thousands of years. 35. A dicotyledonous plant bears flowers but never produces fruits and seeds. Biology is the science of life and of living organism, including the … (a) Cambium 7. In order for you to see this page as it is meant to appear, we ask that you please re-enable your Javascript! Biology 2 MCQ Tests Campus platform has a collection of 28 questions added to 12 chapters of Physics 10th Class. (d) Parallel to funiculus, Answer: (c) In straight line with funiculus, Question 11. Sexual Reproduction in Flowering Plants Class 12 Biology MCQs … (b) Cteistogamy [Foreign 2012: HOTS] Or Pea flowers produce assured seed-sets. [AI 2016C]. If cotyledons are brought above the soil the germination is: 2. (b) Ground tissue 12th Class FSc Part 2 Biology Online Test Biology is the main subject subject for those who wants to adopt the field of medical. (d) Dikogamy, Question 30. (iii) The brightly-coloured female flowers have long stalks to reach the surface. Check the below NCERT MCQ Questions for Class 11 Biology Chapter 2 Biological Classification with Answers Pdf free download. 80. (b) Diploid What happens to the endospenn in seeds like castor? (b) Dichoganty Identify ‘A’ and state its function. (c) Integuments, synergids and egg Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. [A t 2014]. (d) Chasmogamous flowers never exhibit autogamy. When the pollen of a flower is transferred to the stigma of another flower on the same plant, the process is known as (a) autogamy (b) geitonogamy (c) xenogamy (d) cleistogamy, 6. Name two parasitic species of plants that produce many minute seeds in a fruit. (c) In straight line with funiculus The content is updated regularly, with the addition of new topics, more questions and useful links. Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. (c) Embryo (d) both anther and stigma are of equal lengths. 43. [Foreign 2012: HOTS]. Name the part of the flower that contributes to fruit fonnation in strawberry and guava respectively. (d) None of these, Question 5. (b) Xenogamy (b) 50 Give the technical term for the type of pollination (a) which ensures genetic recombination. Mention the pollinating agent of an inflorescence of small dull-coloured flowers with well-exposed stamens and large feathery stigmas. Answer: Explaination: ‘A’ represents the cotyledons. (b) Zoophily Biology MCQs For Entry Test Preparation (Chapter Wise) Biology MCQs preparation is very important for students who want to pursue their career in the medical field. 13. Click one of our representatives below and we will get back to you as soon as possible. Given below is a section of a maize grain. 38. [True/False], 29. The development of fruits without fertilisation of the ovary, is called (a) parthenogenesis (b) parthenocarpy (c) agamospermy (d) apomixis, 5. … Students who can Practice CBSE Class 12 Biology … [AI 2013C] Or Why is banana considered a good example of parthenocarpy? How is it possible in Oxalis and Viola plants to produce assured seed-sets even in the absence of pollinators? Biology MCQs These MCQs (Multiple choice Questions) for NEET are so … An indispensable part of NEET exams is the NEET Biology section covering 50% of the marks. Conidia are formed endogenously while zoospores are formed endogenously. [Delhi 2013C; HOTS]. 8. (c) Anther (a) Maize Give any one reason. (d) Dioecious plant with bisexual flowers. What represents the (a) basal part and (b) female gametophyte of the ovule? Double fertilization in angiosperms was discovered by: (c) Antipodals and primary endosperm cell. 56. Why do the pollen grains of Vallisneria have a mucilaginous covering? 19. (d) Agamospermy, Question 27. 57. In the first category of class biology class 12, there are comprehensive notes of biology. (d) Nawaschin, Question 22. Mention how it has happened. Free PDF download of Important Questions with Answers for CBSE Class 12 Biology Chapter 2 - Sexual Reproduction in Flowering Plants prepared by expert Biology teachers from latest edition of CBSE(NCERT) books. Identify ‘A’ in the figure showing a stage of embryonic development in a dicot plant and mention its function. 2nd year Biology notes all chapter in PDF download. 1. 39. Which one of these statements is incorrect? Check important multiple-choice questions (MCQs) with answers for CBSE Class 12 Maths board exam 2020 & prepare for the upcoming CBSE Maths board exam 2020. [AI 2012]. Occurrence of more than one embryo in a seed. (b) Seed 14. (b) Geitonogamy. How many microsporangia are present in a typical anther of an ar.giosperm? 10. How many microspore mother cells are required to produce 1000 microspores/pollen grains? (d) Magagametophyte, Question 6. Demerit of self pollinatlon is: Biology MCQ Questions for Class 12 … (d) Polyembryoni, Question 29. 4. (b) J. C. Bose Embryo sac → Nucellus → Integuments, is the correct sequence of parts in the ovule of an angiosperms. Answer: Explaination: Pollen grains of Vallisneria are protected from wetting by the mucilaginous covering. Multiple Choice Questions (MCQ) for CBSE Class 12-science Biology chapters on Topperlearning. (a) Archegonium (c) Vascular bundle 63. 60. Each microspore mother cell undergoes meiosis and forms four microspores. (a) Hypogeal Parthenogenesis is common in : – It is mediated by the interaction of chemicals secreted by the pollen and the stigma. 48. Biology MCQs for Class 12 Chapter Wise with Answers PDF Free Download is very important for students who want to score good marks in their CBSE board examination. Multiple Choice Questions; 11TH AND 12TH CLASS FULL BOOK MCQS OF ALL SUBJECTS . (d) Seven called, Question 7. 11th Class … Answer: Explaination: Only one megaspore mother cell becomes differentiated in an ovule. (d) seven-celled, Question 17. The best app for CBSE students now provides Sexual Reproduction in Flowering Plants class 12 Notes latest chapter … (d) Parenchymatous cells, Question 21. Answer: Explaination: – All those events from the deposition of pollen on the stigma till the entry of pollen tube into the ovule, are collectively referred to as pollen-pistil interaction. (a) Nawaschin NCERT Solutions for Class 6, 7, 8, 9, 10, 11 and 12. When pollen tube enter into the nucellus through micropyle is called: [Foreign 2014]. Answer: Explaination: – Wind is the pollinating agent. 44. Answer: Explaination: ‘Self-pollen’ means the pollen grains from the same flower (as of the stigma) or pollen from other flowers of the same plant. Mention the common function that cotyledons and nucellus perform. RD Sharma Solutions , RS Aggarwal Solutions and NCERT Solutions. EduRev provides you three to four tests for each chapter. (a) White Which structure is not found in Angiosperm? Which of the following floral parts forms the pericarp after fertilisation? (a) Strassburger 36. Answer: Explaination: Orobanche and Striga. How do flowers of Vallisneria get pollinated? (a) One-celled 83. (a) 100 (d) plant is dioecious and bears only staminate flowers. Important long questions of Biology 2nd year lahore boards with solved mcqs of Biology Xii Class all chapters are in PDF. Of the eight nuclei formed in the em bryo sac, six become organised into cells. (b) Stamens are well-exposed. Answer: Explaination: Twenty five microspore mother cells. In apple, the ______ also contributes to fruit formation and becomes edible. [AI 2017C] or Mention any one application of a pollen bank [Delhi 2011C]. Free PDF Download of CBSE Biology Multiple Choice Questions for Class 12 with Answers Chapter 11 Biotechnology: Principles and Processes. (d) Endosperm, Question 9. 59. Which of the following represents the female gametophyte in angiosperms? (b) Heterostyly [AI 2012; HOTS]. 23. (d) Tetraploid, Question 13. Match the terms in Column I with the descriptions in Column II. [Delhi 2011]. (b) Amphimisis (c) Hetorostyle How are different varieties of pollen grains stored for long period of time in pollen banks? Students can solve NCERT Class 12 Biology Sexual Reproduction in Flowering Plants MCQs … [True/False], 28. Free PDF Download of CBSE Biology Multiple Choice Questions for Class 12 with Answers Chapter 2 Sexual Reproduction in Flowering Plants. Maturation of male and female sex organs at different times is known as: When more than one embryoper embryosac is found. Physics (2nd Year) Multiple Choice Questions Chapter # 12: Electrostatics to Chapter # 21: Nuclear Physics 42. (c) Citrus (b) Parthenocarpy In Monocots, grafting is almost impossible because they lack : Fill in the blanks a and b Zygote → a → Globular embryo → b → Mature embryo. Answer: Explaination: Two advantages of seeds to man: (i) Seeds are stored and used as food. (b) Epigeal Answer: Explaination: Sporogenous tissue. (b) Synergids and antipodals. And why? [Delhi 2011C]. An anther with malfunctioning tapetum often fails to produce viable male gametophyte. [AI 2010; HOTS]. 9. Answer: Explaination: Parthenium (Carrot grass). 3. Double fertilization means: Prepare from hundreds of questions for Chapter 2 biology 11th class. (c) R.N. (i) The flowers do not produce nectar. 77. (d) P. Maheshwari, Question 18. 45. Answer: Explaination: ‘A’ represents the endosperm. [True/False], 30. Answer: Explaination: Vallisneria is pollinated by water and water lily is pollinated by insects. (a) Emasculation (d) Steward, Question 16. 21. (b) Bicelled [True/False], 27. (b) Pistil Answer: Explaination: (a) Proembryo (b) Heart-shaped embryo, 74. Answer: Explaination: 1600 male gametophytes. Answer: Explaination: Temperature and humidity. Answer: Explaination: Cleistogamous flowers are the bisexual flowers which do not open at all even at maturity and their stamens and stigma are never exposed for xenogamy or geitonogamy; the anthers and stigma lie close to each other and self pollination is effected easily. 81. Name the part of the flower, which the tassels of the com cob represent. MDCAT Biology Chapter 2 MCQ Test With Answer for Biology chapter 2 (Biological Molecules) The Chapter Contain Following Key Topics: Animal and plant cell - Prokaryotic and eukaryotic cell - … (b) plant is dioecious and bears both pistillate and staminate flowers. 20. Name the innermost and outermost wall layers of a microsporangium in an angiosperm anther. State the significance of pollination. 61. Stalk of ovule is called : (d) Egg, nucellus and endosperm, Question 8. (b) Megaspore mother cell Answer: Explaination: It is used by the embryo for nutrition during seed germination. Answer: Explaination: Dormancy and dehydration are crucial for storage of seeds; the farmer dehydrates the dormant seeds and stores the seeds for raising a new crop in the next season. A bisexual flower that never opens, is called ______ . Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. here is biology 2nd year notes all chapters with multiple choice questions MCQs.with Answer Keys.These are ... MDCAT Guide Share all Chapter of Biology Notes and MCQS For you.Take ... 11th Class,1,12th class,4,1st year date sheet 2020,1,2nd year Date Sheet,1,9th Class,2,9th Class Result,3,9th Class Result 2019,1,9th Class … Removal of Stamens from the bisexual flower bud. [Foreign 2013]. (ii) They are used to raise the crop. 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Mention two environmental factors that affect pollen viability. (b) Dichogamy After fertilization ovule develops into: Answer: Explaination: Germ pores are those places on the exine of a pollen grain, where sporopollenin is thin or absent and gives the appearance of an aperture. It appears that you have disabled your Javascript. (b) Citrus Biology MCQ Questions for Class 12 with Answers Pdf Download. These pictures show the gynoecium of (A) Papaver and (B) Michelia flowers. If you take an online MCQ test, our system will randomly choose 17 questions. 79. Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. Sexual Reproduction in Flowering Plants Class 12 Notes Biology in PDF are available for free download in myCBSEguide mobile app. These MCQ's are extremely critical for all CBSE students to score better marks. Jan 18,2021 - Biology Class 12- Notes, Questions, Videos & MCQs | NEET Docs, Tests is created by the best NEET teachers for Biology Class 12 | Notes, Questions, Videos & MCQs preparation. – It stores food materials, which are used by the embryo during seed germination. (c) Maheshwari [AI 2016C]. Answer: Explaination: Vallisneria shows true hydrophily, i.e. 12. (a) Nucellus 54. 62. Who discovered fertilization? [Delhi 2010; HOTS]. The meiocyte of rice has 24 chromosomes. 40. Answer: Explaination: At the eight-nucleate stage. Answer: Explaination: They help in the nourishment of the embryo, with the reserve food materials stored in them. All of the following structures are found in angiosperms except ? (a) Haploid – Cotyledons have reserve food materials that are used by the embryo during germination of the seed. 65. An orthrotropous ovule is one in which micropyle and chalaza are : (c) Megaspore (a) Diploid (b) Triploid (c) Tetraploid (d) Pentaploid, 4. 72. (a) omithophily [Foreign 2013]. (c) By insect Answer: Explaination: They play an important role in guiding the pollen tube to enter one of the synergids. [CBSE Sample Paper 2013] (a) The pollen grains are sticky. Epidermis, Endothecium, Middle layers, Sporogenous tissue. 24. Mention the pollinating agents for aquatic plants, Vallisneria and water lily, respectively. (c) Miller (c) Cheiropterophily (d) Fusion between synergid cells and male gamete, Answer: (c) Fusion of two polar nuclei with one male gamete, Question 24. (c) Dichogamy The exine of pollen grains is made up of ______ . 55. We hope the given NCERT MCQ Questions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants with Answers Pdf free download will help you. (c) Antipodal, synergid and primary endosperm nucleus. 17. Autogamy can occur in a chasmogamous flower if [NCERT Exemplar] (a) pollen matures before maturity of ovule. Answer: Explaination: Fertilisation by a self-incompatible pollen is prevented by: (a) inhibiting the germination of the pollen. (c) Anther 47. Give an example of a plant which came into India as a contaminant and is a cause of pollen allergy. MCQ Questions for Class 12 Biology with Answers were prepared based on the latest exam pattern. Currently, we use: a. 58. 3000 Chapter wise Entry Test and Board Exam MCQs of Biology class 11 and 12, Just Click and go, 100% A+ grade in HSSC Exams Biology Class 11 and 12 At this page you will find Multiple Choice Questions or MCQs for all Chapters of Biology Class 11 and 12. Answers of all CBSE Class 12 Biology MCQs … 64. [AI 2010C; HOTS]. If you have any query regarding CBSE Class 12 Biology Sexual Reproduction in Flowering Plants MCQs Pdf, drop a comment below and we will get back to you at the earliest. In MDCAT and ETEA, NUMS and other medical entry tests, biology test is conducted. The students can select their respective topics by clicking on the link provided. Inter 12th class Biolgoy Karachi board, Sukkur board, Hyderabad board, Larkana board, Mirpur Khas board First year Biology Support and Movement Multiple Choice Questions Answers, MCQs. Banana produces fruits, but is propagated only by vegetative means. [Foreign 2013]. Directions (Q31 to Q35): Mark the odd one in each of the following groups. (a) Integument Answer: Explaination: Bryophytes and pteridophytes. ... 12th Class Biology Book ( FSc Part-2 Biology Book-2) educatedzone.com. We have provided Sexual Reproduction in Flowering Plants Class 12 Biology MCQs … (b) Entromophily (a) What term is given to the other two nuclei? Give an example of a species of flowering plants with such seed formation. (a) Unicellular (d) None of these, Question 19. How many megaspore mother cell(s) become(s) differentiated in an ovule? Formation of seeds without fertilisation. Dehydration and _____ of mature seeds are crucial for storage of seeds. (d) None of these, Question 4. A typical angiospermic embryo sac is usually: 18. (d) somatic hybridization, Question 3. The given Biology MCQs comprise all chapters and units within the Biology syllabus for Class 11 and 12. (d) Carthamus, Question 20. Answer: Explaination: – Banana produces fruit without fertilization of ovary; the process is known as parthenocarpy. Meiosis does not occur in the organisms showing haplontic life cycle. In a breeding experiment, the selected male parent is diploid and the female parent is tetraploid. Give any one characteristic of pollen grains produced by such flowers. The most probable cause for the above situation is [NCERT Exemplar] (a) plant is dioecious and bears only pistillate flowers. Totipotency is – In (B) Michelia, the ovary is apocarpous, where the carpels remain free from one another. (d) Robert Hook, Question 28. (a) By water Write the number of chromosomes in its endosperm. Chapter 1 Reproduction in Organisms MCQs; Chapter 2 Sexual Reproduction in Flowering Plants MCQs; Chapter 3 Human Reproduction MCQs; Chapter 4 Reproductive Health MCQs; Chapter … Answer: Explaination: Filiform apparatus refers to the special cellular thickenings in the synergids, towards micropylar tip. Answer: Explaination: (a) The pollen grains are sticky. (d) Archesporium, Question 12. (a) Development of a fruit from a flower in a medium pollination by water. Pollination by bats is called: Answer: Explaination: The pollen grains can be stored for years in liquid nitrogen (-196 °C) in pollen banks and used for crop breeding programmes. Here you will find Chapter Wise NCERT MCQ Questions for Class 12 Biology with Answers PDF Free Download based on the important concepts and topics given in the textbook. Carolus Linnaeus used a two-kingdom classification which includes Plantae and animals. Hi there! 16. 37. 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Swami 90 questions are included from the biology section comprising Botany and Zoology sub-section, which can be achieved with Biology MCQs … Notes Biology in PDF are available for free Download the grass family the... Of male gametes ) B. M. John ( b ) Michelia flowers the! ) basal part and ( b ) Michelia, the selected male parent diploid! Situation is [ NCERT Exemplar ] ( a ) which ensures genetic recombination – the and. Agent of an angiosperm after double fertilisation grains from wetting and the female parent is diploid the... Nucellus → Integuments, synergids and egg ( d ) Pentaploid, 4,! M. John ( b ) name the mechanism responsible for the type of pollination ( a Papaver. – Since, parthenocarpic fruits are seedless or the seeds that have retained their viability thousands. Their respective topics by clicking on the link provided that you please your. Is banana considered a good example of a plant which came into India as a contaminant and is a of! Orperianth are inconspicuous in entomophilous flowers typical anther of an angiosperm are present in the central cell true,... Kapil ( d ) endosperm, Question 28 are used by the embryo sac of an inflorescence of dull-coloured... 11Th and 12th Class Biology, is known as ______ a section of a maize grain is known as.! Good example of a maize grain is known as ______ are present in a experiment! [ Foreign 2012: HOTS ] or why is banana referred to a... Ovule is called: ( a ) Nawaschin ( b ) dioecious plant bearing only male female... Synergid, antipodal and polar nuclei and Zygote that contributes to fruit formation and becomes biology class 12 chapter 2 mcqs used by embryo. The NEET Biology section covering 50 % of the following floral parts forms the after. 11 and 12 to improve your score in Board exams we have provided Classification! These pictures show the gynoecium of ( a ) basal part and ( b ) Mango ( c 25! Materials, which are used by the embryo for nutrition during seed germination appear, we that! Level of the com cob represent get back to you as soon as...., their development is impaired 12 notes Biology in PDF Download of CBSE Biology multiple Choice Questions Class... The organisms showing haplontic life cycle the seed by the embryo during germination of the following structures are found angiosperms... Better marks is pollinated by water and water lily, respectively wetting by mucilaginous! Questions added to 22 chapters of Physics 10th Class to know their preparation level (. And Zygote ) embryo sac NEET exams is the second and final.. Here comes the role of Chapter 2 Sexual Reproduction in Flowering Plants 12th Class FULL BOOK MCQs of the... Cotyledons have reserve food materials, which are used to raise the crop in for! And useful links special cellular thickenings in the nourishment of the pollen grains of Vallisneria have a mucilaginous.. 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For each Chapter is updated regularly, with the reserve food materials, which the tassels of the following (. ) Decliny ( b ) embryo sac ( c ) R.N NCERT ]... Parthenocarpic fruit that you please re-enable your Javascript pollination brings the carrier male. Questions with Answers Chapter 2 Sexual Reproduction in Flowering Plants with such formation...... 12th Class FULL BOOK MCQs of all SUBJECTS perisperm perform considered a good of! The common function that Cotyledons and Nucellus perform produce viable male gametophyte the of. Stalks to reach the surface collection of 17 Questions 1000 microspores/pollen grains do not produce.! ) 50 ( c ) anther ( d ) 20, Question 8 Carrot grass ) eight nuclei formed the! Polar nuclei and Zygote click one of our representatives below and we will get back you. Called polar nuclei at the micropylar tip Carthamus, Question 4 give example... [ NCERT Exemplar ] ( a ) White ( b ) Synergid ( d ) 20, Question 28 cell! 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