Fill in the blanks a and b Zygote → a → Globular embryo → b → Mature embryo. (a) Grape [True/False], 27. 46. 62. – The pollen grains are light and non- sticky/dry. (b) Egg. Currently, we use: a. (d) Hydrophily, Question 25. Give an example of a plant which came into India as a contaminant and is a cause of pollen allergy. Answer: Explaination: ‘A’ represents the cotyledons. (d) Megagametophyte, Question 14. (d) somatic hybridization, Question 3. State the significance of pollination. The outer integument of the ovule develops into _____ after fertilisation. [Foreign 2013]. Pollination by bats is called: 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. 12. Mention the pollinating agent of an inflorescence of small dull-coloured flowers with well-exposed stamens and large feathery stigmas. Meiosis does not occur in the organisms showing haplontic life cycle. [Delhi 2013,10; HOTS]. Normal Embryosac of Angiosperm is : Answer: Explaination: Since the tapetum nourishes the developing pollen grains, their development is impaired. (d) seven-celled, Question 17. (any one), 85. The students can select their respective topics by clicking on the link provided. Answer: Explaination: Parthenium (Carrot grass). (b) Zoophily A dicotyledonous plant bears flowers but never produces fruits and seeds. Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. [AI 2010C]. (a) Fusion of two eggs grasses, Citrus, mango and members of Asteraceae. The best app for CBSE students now provides Sexual Reproduction in Flowering Plants class 12 Notes latest chapter … Biology MCQ Questions for Class 12 with Answers Pdf Download. (a) One-celled 40. Name two parasitic species of plants that produce many minute seeds in a fruit. Students can solve NCERT Class 12 Biology Sexual Reproduction in Flowering Plants MCQs Pdf with Answers to know their preparation level. 43. 61. [AI 2014C]. 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. The content is updated regularly, with the addition of new topics, more questions and useful links. (c) Penta celled [AI 2016C]. Answer: Explaination: The long tassels of com cob are the styles and stigmas; they are meant to easily trap the air-bome pollen grains. 82. (a) Decliny 9. (c) Antipodal, synergid and primary endosperm nucleus. 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. (d) None of these, Question 5. If you take an online MCQ test, our system will randomly choose 17 questions. Development of fruit without fertilizations is: [AI 2017C] or Mention any one application of a pollen bank [Delhi 2011C]. [AI 2013C] Or Why is banana considered a good example of parthenocarpy? (d) Carthamus, Question 20. In an embryo sac, the cells that degenerate after fertilisation are: [NCERT Exemplar] (a) Synergids and primary endosperm cell. (b) Pistil (d) Polyembryoni, Question 29. Development of ovary into fruit without fertilisation. Totipotency is (a) Unicellular And why? 19. [Foreign 2014]. (d) Tetraploid, Question 13. (c) Nucellus 80. 7. (c) Cheiropterophily Which structure is not found in Angiosperm? 58. Antipodal cells, Synergids, Zygote, Female gamete, 33. Check the below NCERT MCQ Questions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants with Answers Pdf free download. 13. Why do com cobs have long tassels? 8. (c) Embryo How many microsporangia are present in a typical anther of an ar.giosperm? (b) Ground tissue 69. (d) Egg and antipodals. (iii) The brightly-coloured female flowers have long stalks to reach the surface. MCQs Questions for Class 12 Biology Chapter Wise. Answer: Explaination: A – 4, B – 3, C – 2, D – 1. Double fertilization means: (b) Entromophily Answer: Explaination: Vallisneria shows true hydrophily, i.e. Biology 2 MCQ Tests Campus platform has a collection of 28 questions added to 12 chapters of Physics 10th Class. (d) Dioecious plant with bisexual flowers. It is called: What is pollen-pistil interaction and how is it mediated? NCERT Solutions for Class 6, 7, 8, 9, 10, 11 and 12. Mention the common function that cotyledons and nucellus perform. 65. How do the pollen grains of Vallisneria protect themselves? 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[Foreign 2013]. [Foreign 2013]. 90 questions are included from the biology section comprising Botany and Zoology sub-section, which can be achieved with Biology MCQs … In MDCAT and ETEA, NUMS and other medical entry tests, biology test is conducted. (a) Archegonium Students who can Practice CBSE Class 12 Biology Multiple Choice Questions with Answers to improve your score in Board Exams. Multiple Choice Questions (MCQ) for CBSE Class 12-science Biology chapters on Topperlearning. (d) Robert Hook, Question 28. (c) Miller 12th Class Biology Chapter Wise MCQs: Karachi board, Sukkur board, Hyderabad board, Larkana board, Mirpur Khas board. (b) J. C. Bose 38. How many microspore mother cells are required to produce 1000 microspores/pollen grains? We hope the given Biology MCQs for Class 12 with Answers Chapter 2 Sexual Reproduction in Flowering Plants will help you. [A t 2014]. – Cotyledons have reserve food materials that are used by the embryo during germination of the seed. Sexual Reproduction in Flowering Plants Class 12 Notes Biology in PDF are available for free download in myCBSEguide mobile app. Parthenogenesis is common in : (b) Stamens are well-exposed. How many meiotic divisions are necessary to produce 100 pollen grains ? 77. Choose the correct statement from the following. What represents the (a) basal part and (b) female gametophyte of the ovule? (c) plant is monoecious. Answers of all CBSE Class 12 Biology MCQs … In order for you to see this page as it is meant to appear, we ask that you please re-enable your Javascript! Mention two environmental factors that affect pollen viability. 42. (a) Embryo (b) Embryo sac (c) Synergid (d) Endosperm, 3. How do flowers of Vallisneria get pollinated? (ii) The pollen grains have mucilaginous covering. 1. (a) 100 (b) 150 (c) 200 (d) 250, 2. This test is objective type and consists of Biology MCQs. (b) Cteistogamy (d) Pedicel. 72. Commonly in a mature fertilized ovule n, 2n, 3n conditions are respectively found in : Multiple Choice Questions; 11TH AND 12TH CLASS FULL BOOK MCQS OF ALL SUBJECTS . – It stores food materials, which are used by the embryo during seed germination. Kapil Dehydration and _____ of mature seeds are crucial for storage of seeds. 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 … (a) By water The most probable cause for the above situation is [NCERT Exemplar] (a) plant is dioecious and bears only pistillate flowers. 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. Radicle, Plumule, Endosperm, Scutellum. (c) Hetorostyle (d) Seven called, Question 7. (d) None of these, Question 19. Free PDF Download of CBSE Biology Multiple Choice Questions for Class 12 with Answers Chapter 2 Sexual Reproduction in Flowering Plants. EduRev provides you three to four tests for each chapter. Answer: Explaination: (a) The other two nuclei are called polar nuclei. (d) Dikogamy, Question 30. (d) Synergid, polar nuclei and zygote. Answer: Explaination: (a) Xenogamy. Match the terms in Column I with the descriptions in Column II. (d) Parallel to funiculus, Answer: (c) In straight line with funiculus, Question 11. What happens to the endospenn in seeds like castor? Name the part of the flower, which the tassels of the com cob represent. (c) Monoecious plant with bisexual flowers. [True/False], 30. (ii) They are used to raise the crop. 56. When pollen tube enter into the nucellus through micropyle is called: [AI 2012; HOTS]. Occurrence of more than one embryo in a seed. 78. (c) In straight line with funiculus (c) Corchorus This part also contains solved exercise short questions and MCQs of all the chapter of 12th class biology. (c) By insect (b) Synergid, antipodal and polar nuclei. (a) Funicle Physics (2nd Year) Multiple Choice Questions Chapter # 12: Electrostatics to Chapter # 21: Nuclear Physics An orthrotropous ovule is one in which micropyle and chalaza are : How is it possible in Oxalis and Viola plants to produce assured seed-sets even in the absence of pollinators? (b) They are present in the central cell. 48. (b) Epigeal Name two groups of plants where water is the medium for transport of male gametes. (b) Synergids and antipodals. Answer: Explaination: 1600 male gametophytes. Biology MCQs for Class 12 with Answers Chapter 2 Sexual Reproduction in Flowering Plants. (b) Citrus (d) Magagametophyte, Question 6. 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. The hollow foliar structure that encloses the leaf primordia in a grass embryo, is called ______ . (b) Xenogamy What will be the ploidy level of the endosperm that will develop after double fertilisation? Answer: Explaination: Lupinus arcticus and Phoenix dactylifera. 49. (d) Development of tissues of all kinds from a cell in a medium, Answer: (c) Development of tissues of all kinds from a cell in a medium, Question 15. Describe the structure of the cell (s) that guide (s) the pollen tube to enter the embryo sac. 20. (i) The flowers do not produce nectar. (c) Maheshwari (d) plant is dioecious and bears only staminate flowers. Answer: Explaination: – Wind is the pollinating agent. Answer: Explaination: – Orange shows polyembryony, the phenomenon of occurrence of more than one embryo in a seed. 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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. (b) Heterostyly 1. Students who can Practice CBSE Class 12 Biology … (a) Nawaschin 52. Given below is a section of a maize grain. (d) Apogamy, Question 31. (a) Oblique to funiculus 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. 3. Answer: Explaination: At the eight-nucleate stage. (a) Hypogeal 59. Maturation of male and female sex organs at different times is known as: – In (B) Michelia, the ovary is apocarpous, where the carpels remain free from one another. Sepals and petals orperianth are inconspicuous in entomophilous flowers. 64. (b) Carpel Give any one reason. 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. (b) 50 54. Answer: Explaination: The mucilaginous covering protects the pollen grains from wetting and the consequent decay. Each microspore mother cell undergoes meiosis and forms four microspores. 73. All of the following structures are found in angiosperms except ? (b) Seed (c) androgenesis (d) Litchi, Question 10. (b) Parthenocarpy (c) Dichogamy (a) Porogamy – Since, parthenocarpic fruits are seedless or the seeds are non-viable, banana is propagated by vegetative means. (b) Name the cell in which they are present. MCQ Questions for Class 12 Biology with Answers were prepared based on the latest exam pattern. (c) Development of tissues of all kinds from a cell in a medium (a) Parthenogenesis (a) Diploid (b) Triploid (c) Tetraploid (d) Pentaploid, 4. (a) Emasculation Or Mention the common function that endosperm and perisperm perform. (d) Parenchymatous cells, Question 21. Check the below NCERT MCQ Questions for Class 11 Biology Chapter 2 Biological Classification with Answers Pdf free download. (a) Nucellus 71. [AI 2010C; HOTS]. Pollination in Lotus is: The meiocyte of rice has 24 chromosomes. When does cell wall formation start, in the organisation of the embryo sac? (c) Vascular bundle Write the difference in the structure of their ovaries. [Delhi 2015C]. In a breeding experiment, the selected male parent is diploid and the female parent is tetraploid. Register online for Biology … 76. (c) Flowers often have single ovule. 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. Answer: Explaination: Fertilisation by a self-incompatible pollen is prevented by: (a) inhibiting the germination of the pollen. Answer: Explaination: The synergids have filiform apparatus, the special cellular thickenings at the micropylar tip. Closed flower: 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. [AI 2014]. 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. Answer: Explaination: Twenty five microspore mother cells. Answer: Explaination: Four microsporangia. The stalk of the ovule is called _____ . Answer: Explaination: Bryophytes and pteridophytes. 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 - … Name the innermost and outermost wall layers of a microsporangium in an angiosperm anther. (d) All of these, Question 2. (b) ovules mature before maturity of pollen. 53. (b) Fusion of egg and pollen nuder of two pollen grains (a) Endosperm, nucellus and egg pollen to the stigma of the pistil. (a) Development of a fruit from a flower in a medium Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. 55. Which of the following floral parts forms the pericarp after fertilisation? (b) Skoog (a) Strassburger (a) Haploid Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. 63. 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. [True/False], 29. AbilobeddithecousantherhaslOOmicrospore mother cells per microsporangium. The following statements (i), (ii) and (iii) . 16. An indispensable part of NEET exams is the NEET Biology section covering 50% of the marks. 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. 22. pollination by water. [Foreign 2013]. Name the seeds that have retained their viability for thousands of years. How many male gametophytes can this anther produce? Banana produces fruits, but is propagated only by vegetative means. Occurrence of more than one embryo in a seed, is known as ______ . (c) Mesogamy Important long questions of Biology 2nd year lahore boards with solved mcqs of Biology Xii Class all chapters are in PDF. Give any one characteristic of pollen grains produced by such flowers. Answer: Explaination: Oxalis and Viola or pea produce cleistogamous flowers, in which anthers and stigma lie close to each other; when the anthers dehisce in the flower buds, the pollen grains fall on the stigma and fertilization is effected leading to assured seed-set. [Delhi 2013C; HOTS]. (c) Fusion of two polar nuclei with one male gamete Free PDF Download of CBSE Biology Multiple Choice Questions for Class 12 with Answers Chapter 2 Sexual Reproduction in Flowering Plants. (c) Parthenocarpy In an ovule meiotic takes place in: (c) Megaspore Directions (Q31 to Q35): Mark the odd one in each of the following groups. 1. (c) Anemophily [True/False], 28. Answer: Explaination: – In (A) Papaver, the ovary is syncarpous, where the carpels are fused together. 45. educatedzone.com provides … 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. 15. Which one of these statements is incorrect? ... 12th Class Biology Book ( FSc Part-2 Biology Book-2) educatedzone.com. 81. Here comes the role of chapter wise Test of Chapter 2 - Biological Classification. (d) Archesporium, Question 12. 18. Answer: Explaination: Orobanche and Striga. (a) omithophily 51. Answer: Explaination: Tapetum is the innermost. 10. 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. 44. 70. [Delhi 2010C], Answer: Explaination: Apomixis is the phenomenon e.g. It appears that you have disabled your Javascript. 14. [NCERT Exemplar] (a) Cleistogamous flowers always exhibit autogamy. Answer: Explaination: – Banana produces fruit without fertilization of ovary; the process is known as parthenocarpy. 4. (c) Vivipaiy [Delhi 2011C]. (d) Chasmogamous flowers never exhibit autogamy. We have provided Biological Classification Class 11 Biology MCQs … [True/False]. A bisexual flower that never opens, is called ______ . 24. Mention the pollinating agents for aquatic plants, Vallisneria and water lily, respectively. (a) Unisexua (b) Megaspore mother cell 47. (c) Anther (a) Maize Solved Biology notes for class 12 chapter … Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. [AI 2010C; HOTS]. We have provided Sexual Reproduction in Flowering Plants Class 12 Biology MCQs … Give an example of a species of flowering plants with such seed formation. In apple, the ______ also contributes to fruit formation and becomes edible. Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. Physics MCQs for Class 12 all Chapter | F.Sc. (a) What term is given to the other two nuclei? [CBSE Sample Paper 2013] (a) The pollen grains are sticky. [AI 2010; HOTS]. (b) Mango 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. Biology MCQ Questions for Class 12 … Carpels in a flower are fused together. From among the situations given below, choose the one that prevents both autogamy and geitonogamy. Answer: Explaination: Temperature and humidity. Match the terms in Column I with the descriptions in Column II. (c) Leeuwen Hock Carolus Linnaeus used a two-kingdom classification which includes Plantae and animals. (a) Malecophily [Delhi 2011]. Students can solve NCERT Class 12 Biology Biotechnology: Principles and Processes MCQs … Why are cleistogamous flowers invariably autogamous? MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. 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. A typical angiospermic embryo sac is usually: Answer: Explaination: They help in the nourishment of the embryo, with the reserve food materials stored in them. (b) Strassburger (d) Fusion between synergid cells and male gamete, Answer: (c) Fusion of two polar nuclei with one male gamete, Question 24. In Monocots, grafting is almost impossible because they lack : Stalk of ovule is called : seem to describe the water-pollinated submerged plants. In Capsella the endosperm in generally: Check the below NCERT MCQ Questions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants with Answers Pdf free download. (b) By wind MCQ Questions for Class 12 Biology with Answers were prepared based on the latest exam pattern. (b) Caruncle Autogamy can occur in a chasmogamous flower if [NCERT Exemplar] (a) pollen matures before maturity of ovule. These pictures show the gynoecium of (A) Papaver and (B) Michelia flowers. Answer: Explaination: Only one megaspore mother cell becomes differentiated in an ovule. Answer: Explaination: The pollen grains can be stored for years in liquid nitrogen (-196 °C) in pollen banks and used for crop breeding programmes. [NCERT Exemplar] (a) Monoecious plant bearing unisexual flowers. (b) Dichoganty Hi there! Biology 2 MCQ Tests Campus platform has a collection of 17 questions added to 22 chapters of Physics 10th Class. (b) At right angles to funiculus CBSE, Class 12 BIOLOGY MCQ, (MCQ) NCERT OBJECTIVE QUESTION WITH ANSWER, CHAPTER 11, CHAPTER 22, CHAPTER 13, CHAPTER 4, CHAPTER 5, CHAPTER 16, CHAPTER 171, CHAPTER 18, CHAPTER 9, CHAPTER 10. 21. The given Biology MCQs comprise all chapters and units within the Biology syllabus for Class 11 and 12. (b) between different flowers of the same plant. (c) Integuments, synergids and egg Which one of these statements is incorrect? (d) Hydrophily, Question 26. Who discovered fertilization? (d) Egg, nucellus and endosperm, Question 8. How are different varieties of pollen grains stored for long period of time in pollen banks? (a) 100 An anther with malfunctioning tapetum often fails to produce viable male gametophyte. Answer: Explaination: (a) The pollen grains are sticky. (a) Integument 37. Identify ‘A’ and state its function. How is fertilisation by a self-incompatible pollen prevented? – It is mediated by the interaction of chemicals secreted by the pollen and the stigma. Answer: Explaination: Thalamus in strawberry and ovary in guava. Write the number of chromosomes in its endosperm. (d) None of these, Question 4. … Pollination by snails is called: (c) Polygamy (a) Nucellus (b) Outer integument (c) Ovary wall (d) Inner integument. Name the mechanism responsible for the formation of seed without fertilisation in angiosperms. Biology MCQs (a) Cambium ... Grade 11 is the first year of a student in a college while Grade 12 is the second and final year. Biology is the science of life and of living organism, including the … Normally one embryo develops in one seed, but when an orange seed is squeezed, many embryos of different shapes and sizes are seen. (a) B. M. John 2nd year biology short question notes, fsc biology MCQs … Answer: Explaination: Banana fruit develops without fertilisation of the ovary; hence it is considered parthenocarpic. (b) Bicelled (c) both pollen and ovules mature simultaneously. Polymbryony occurs in: Of the eight nuclei formed in the em bryo sac, six become organised into cells. Who proved that the cells are totipotent? Formation of seeds without fertilisation. (d) both anther and stigma are of equal lengths. 35. The questions in these free online tests or quizzes are important for CBSE Class 12 Biology Board Exam as well as Medical Entrance … 11th Class … These MCQs (Multiple choice Questions) for NEET are so … Qasim Tariq 06-12-2018 MCQs If you are in search of Multiple Choice Questions Notes of Mathematics Class XII (Mathematics Book-2 MCQs) then you are at right place. Why do the pollen grains of Vallisneria have a mucilaginous covering? 66. Mention two advantages of seeds to man. Name the part of the flower that contributes to fruit fonnation in strawberry and guava respectively. Conidia are formed endogenously while zoospores are formed endogenously. Oops! 75. (b) retarding the growth of the pollen tube. Epidermis, Endothecium, Middle layers, Sporogenous tissue. In a fertilised embryo sac, the haploid, diploid and triploid structures are: [NCERT Exemplar] (a) Synergid, zygote and primary endosperm nucleus. The number of meiotic divisions, required to produce 400 seeds in a pea plant, is (a) 100 (b) 200 (c) 400 (d) 500. 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. How many microspore mother cells would be required to produce one hundred pollen grains in a pollen sac? Find Chapter wise free online test of Biology Class 12. The following statements describe the wind-pollinated plants. Answer: Explaination: They play an important role in guiding the pollen tube to enter one of the synergids. State the function of filiform apparatus found in mature embryo sac of an angiosperm. Answer: Explaination: Vallisneria is pollinated by water and water lily is pollinated by insects. NCERT, CBSE, MCQ Questions for Class 12 BIOLOGY Chapter 1, Chapter 2, Chapter 3, Chapter 4, Chapter 5, Chapter 6. The exine of pollen grains is made up of ______ . Answer: Explaination: ‘A’ represents the endosperm. In the grass family, the single cotyledon is called ______ . (b) B. G L. Swami Answer: Explaination: Sporogenous tissue. antipodals and endosperm Removal of Stamens from the bisexual flower bud. (d) 20, Question 23. Sexual Reproduction in Flowering Plants Class 12 Biology MCQs … When more than one embryoper embryosac is found. (a) White Answer: Explaination: Two advantages of seeds to man: (i) Seeds are stored and used as food. (b) Chasmogamous flowers always exhibit geitonogamy. (b) Amphimisis – In this case, some of the nucellar cells surrounding the embryo sac start dividing, protrude into embryo sac and develop into embryos. Click one of our representatives below and we will get back to you as soon as possible. (b) Diploid Demerit of self pollinatlon is: (a) Embryogeny Answer: Explaination: Pollination brings the carrier of male gametes, i.e. Prepare from hundreds of questions for Chapter 2 biology 11th class. Free PDF Download of CBSE Biology Multiple Choice Questions for Class 12 with Answers Chapter 11 Biotechnology: Principles and Processes. Identify ‘A’ in the figure showing a stage of embryonic development in a dicot plant and mention its function. Mention how it has happened. (c) R.N. (b) Dichogamy MCQ Questions for Class 11 BIOLOGY Chapter 1, Chapter 2, Chapter 3, Chapter 4, Chapter 5, Chapter 6.CBSE, MCQ, NCERT OBJECTIVE QUESTION (MCQ). Why is banana referred to as a parthenocarpic fruit? 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 … (c) Cleistogamous flowers exhibit both autogamy and geitonogamy. (c) Antipodals and primary endosperm cell. (c) 25 Answer: Explaination: (iii) is incorrect. 57. (d) Endosperm, Question 9. Embryo sac → Nucellus → Integuments, is the correct sequence of parts in the ovule of an angiosperms. 31. (d) Nawaschin, Question 22. (b) Dioecious plant bearing only male or female flowers. 11. Students can solve NCERT Class 12 Biology Sexual Reproduction in Flowering Plants MCQs Pdf with Answers to know their preparation level. Which of the following represents the female gametophyte in angiosperms? 60. [AI 2016C]. Becomes edible a – 4, b – 1, c – 2, b –,. And endosperm, Question 20 from among the situations given below is a section of a species Plants. Or the seeds that have retained their viability for thousands of years as food educatedzone.com... 12 is the correct sequence of parts in the synergids, towards micropylar.! Consequent decay if [ NCERT Exemplar ] ( a ) Nawaschin ( b ) 150 ( c ) (... Preparation level Pentaploid, 4 Flowering Plants will help you difference in the central cell Vallisneria protect themselves 1... ( FSc Part-2 Biology Book-2 ) educatedzone.com without fertilization of ovary ; hence it is mediated the. Enter one of the same plant Outer integument ( c ) 25 ( d ) Synergid polar. Plants that produce many minute seeds in a chasmogamous flower if [ NCERT Exemplar (. Plants, Vallisneria and water lily, respectively such seed formation: brings! 2Nd year Biology notes all Chapter | F.Sc Column i with the food. 'S are extremely critical for all CBSE students to score better marks covering %! Ovary in guava each microspore mother cells would be required to produce assured seed-sets test is conducted tetraploid! These MCQ 's are extremely critical for all CBSE students to score marks! Following represents the basal part and ( b ) Citrus ( c ) Dichogamy ( d Steward... – Since, parthenocarpic fruits are seedless or the seeds that have retained their viability for thousands of years chemicals. Carolus Linnaeus used a two-kingdom Classification which includes Plantae and animals and endosperm ( c ) Corchorus d! Ensures genetic recombination Zostera, the selected male parent is diploid and the female parent diploid. Mcqs PDF with Answers to know their preparation level free online test of Biology of time in banks! Wall ( d ) Inner integument small dull-coloured flowers with well-exposed stamens and large feathery stigmas following statements ( )! 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