biology class 12 chapter 2 mcqs

(c) By insect … (c) androgenesis Radicle, Plumule, Endosperm, Scutellum. Which one of these statements is incorrect? (b) Synergid, antipodal and polar nuclei. grasses, Citrus, mango and members of Asteraceae. (a) 100 (b) 150 (c) 200 (d) 250, 2. Currently, we use: a. How is it possible in Oxalis and Viola plants to produce assured seed-sets even in the absence of pollinators? (d) None of these, Question 5. [Foreign 2012: HOTS] Or Pea flowers produce assured seed-sets. (b) Two-celled Give a reason. The best app for CBSE students now provides Sexual Reproduction in Flowering Plants class 12 Notes latest chapter … Carpels in a flower are fused together. Epidermis is the outermost. 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Check the below NCERT MCQ Questions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants with Answers Pdf free download. This part also contains solved exercise short questions and MCQs of all the chapter of 12th class biology. Match the terms in Column I with the descriptions in Column II. 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. NCERT, CBSE, MCQ Questions for Class 12 BIOLOGY Chapter 1, Chapter 2, Chapter 3, Chapter 4, Chapter 5, Chapter 6. (b) Dichogamy The stalk of the ovule is called _____ . Here comes the role of chapter wise Test of Chapter 2 - Biological Classification. The exine of pollen grains is made up of ______ . 12th Class Biology Chapter Wise MCQs: Karachi board, Sukkur board, Hyderabad board, Larkana board, Mirpur Khas board. Biology MCQ Questions for Class 12 with Answers Pdf Download. 7. 80. Answer: Explaination: Tapetum is the innermost. (d) Parallel to funiculus, Answer: (c) In straight line with funiculus, Question 11. Biology MCQ Questions for Class 12 … [AI 2013C] Or Why is banana considered a good example of parthenocarpy? (a) Unisexua Give an example of a plant which came into India as a contaminant and is a cause of pollen allergy. (d) Seven called, Question 7. – Since, parthenocarpic fruits are seedless or the seeds are non-viable, banana is propagated by vegetative means. These MCQ's are extremely critical for all CBSE students to score better marks. MCQs Questions for Class 12 Biology Chapter Wise. What will be the ploidy level of the endosperm that will develop after double fertilisation? (b) Dioecious plant bearing only male or female flowers. (c) Agamospormy 66. (a) What term is given to the other two nuclei? (d) Endosperm, Question 9. (b) They are present in the central cell. Describe the structure of the cell (s) that guide (s) the pollen tube to enter the embryo sac. Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. (a) Maize (a) Cambium Answer: Explaination: The synergids have filiform apparatus, the special cellular thickenings at the micropylar tip. (d) Dikogamy, Question 30. Answer: Explaination: Only one megaspore mother cell becomes differentiated in an ovule. [AI 2016C]. [True/False], 28. [AI 2017C] or Mention any one application of a pollen bank [Delhi 2011C]. Important long questions of Biology 2nd year lahore boards with solved mcqs of Biology Xii Class all chapters are in PDF. [A t 2014]. (c) Antipodals and primary endosperm cell. (a) Embryo (b) Embryo sac (c) Synergid (d) Endosperm, 3. (b) Entromophily 44. We have provided Biological Classification Class 11 Biology MCQs … Normally one embryo develops in one seed, but when an orange seed is squeezed, many embryos of different shapes and sizes are seen. Answer: Explaination: Twenty five microspore mother cells. Biology MCQs for Class 12 with Answers Chapter 2 Sexual Reproduction in Flowering Plants. 62. 78. The number of meiotic divisions, required to produce 400 seeds in a pea plant, is (a) 100 (b) 200 (c) 400 (d) 500. Of the eight nuclei formed in the em bryo sac, six become organised into cells. Biology is the science of life and of living organism, including the … In Capsella the endosperm in generally: Name the seeds that have retained their viability for thousands of years. (b) retarding the growth of the pollen tube. (a) omithophily (b) Zoophily (d) 20, Question 23. (b) Synergids and antipodals. 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. (c) Integuments, synergids and egg 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. All of the following structures are found in angiosperms except ? (c) Flowers often have single ovule. (d) Fusion between synergid cells and male gamete, Answer: (c) Fusion of two polar nuclei with one male gamete, Question 24. EduRev provides you three to four tests for each chapter. (d) Robert Hook, Question 28. educatedzone.com provides … Check the below NCERT MCQ Questions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants with Answers Pdf free download. (a) Integument How many megaspore mother cell(s) become(s) differentiated in an ovule? [NCERT Exemplar] (a) Cleistogamous flowers always exhibit autogamy. 23. (b) plant is dioecious and bears both pistillate and staminate flowers. (c) Nucellus 46. (a) Nucellus (b) Outer integument (c) Ovary wall (d) Inner integument. [Delhi 2015C]. In the first category of class biology class 12, there are comprehensive notes of biology. How many male gametophytes can this anther produce? 56. (b) Ground tissue (a) Haploid Answer: Explaination: At the eight-nucleate stage. Closed flower: – It is mediated by the interaction of chemicals secreted by the pollen and the stigma. (c) Vascular bundle Students who can Practice CBSE Class 12 Biology … (a) Nawaschin 5. The following statements describe the wind-pollinated plants. Students can solve NCERT Class 12 Biology Biotechnology: Principles and Processes MCQs … 36. (d) Megagametophyte, Question 14. (b) Megaspore mother cell (b) Parthenocarpy (b) Skoog Give any one characteristic of pollen grains produced by such flowers. Mention the pollinating agents for aquatic plants, Vallisneria and water lily, respectively. How many microsporangia are present in a typical anther of an ar.giosperm? Fatheroflndian Angiosperm Embnology is: (c) Hetorostyle [AI 2012; HOTS]. Free PDF Download of CBSE Biology Multiple Choice Questions for Class 12 with Answers Chapter 2 Sexual Reproduction in Flowering Plants. (d) Hydrophily, Question 26. Which one of these statements is incorrect? (a) Nucellus (a) Malecophily 1. Find Chapter wise free online test of Biology Class 12. antipodals and endosperm Given below is a section of a maize grain. Answer: Explaination: (iii) is incorrect. Answer: Explaination: Parthenium (Carrot grass). 69. Answer: Explaination: – Orange shows polyembryony, the phenomenon of occurrence of more than one embryo in a seed. The development of fruits without fertilisation of the ovary, is called (a) parthenogenesis (b) parthenocarpy (c) agamospermy (d) apomixis, 5. 38. 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. Answer: Explaination: Orobanche and Striga. 12th Class FSc Part 2 Biology Online Test Biology is the main subject subject for those who wants to adopt the field of medical. (b) Caruncle Answer: Explaination: The long tassels of com cob are the styles and stigmas; they are meant to easily trap the air-bome pollen grains. 58. Answer: Explaination: ‘A’ represents the cotyledons. Who proved that the cells are totipotent? Pollination by snails is called: How are different varieties of pollen grains stored for long period of time in pollen banks? In the grass family, the single cotyledon is called ______ . A typical angiospermic embryo sac is usually: (a) Diploid (b) Triploid (c) Tetraploid (d) Pentaploid, 4. 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 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 … In Monocots, grafting is almost impossible because they lack : (c) Corchorus 42. The content is updated regularly, with the addition of new topics, more questions and useful links. (b) At right angles to funiculus (a) Archegonium (a) B. M. John (d) plant is dioecious and bears only staminate flowers. 76. Commonly in a mature fertilized ovule n, 2n, 3n conditions are respectively found in : 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 - … Double fertilization means: 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. [Foreign 2013]. These MCQs (Multiple choice Questions) for NEET are so … The questions in these free online tests or quizzes are important for CBSE Class 12 Biology Board Exam as well as Medical Entrance … [AI 2010; HOTS]. – Cotyledons have reserve food materials that are used by the embryo during germination of the seed. Fill in the blanks a and b Zygote → a → Globular embryo → b → Mature embryo. Physics (2nd Year) Multiple Choice Questions Chapter # 12: Electrostatics to Chapter # 21: Nuclear Physics Free PDF Download of CBSE Biology Multiple Choice Questions for Class 12 with Answers Chapter 2 Sexual Reproduction … 25. An indispensable part of NEET exams is the NEET Biology section covering 50% of the marks. Sexual Reproduction in Flowering Plants Class 12 Notes Biology in PDF are available for free download in myCBSEguide mobile app. Give an example of a species of flowering plants with such seed formation. [AI 2014C]. (b) Bicelled (c) Miller 40. After fertilization ovule develops into: Dehydration and _____ of mature seeds are crucial for storage of seeds. (d) both anther and stigma are of equal lengths. Answer: Explaination: Thalamus in strawberry and ovary in guava. Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. Mention two advantages of seeds to man. 11th Class … [True/False], 27. Write the difference in the structure of their ovaries. Or Mention the common function that endosperm and perisperm perform. 73. Why is banana referred to as a parthenocarpic fruit? Name the part of the flower, which the tassels of the com cob represent. How does a farmer use the dormancy of seeds to his advantage? In a fertilised embryo sac, the haploid, diploid and triploid structures are: [NCERT Exemplar] (a) Synergid, zygote and primary endosperm nucleus. [Foreign 2014]. (a) Endosperm, nucellus and egg 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. (c) plant is monoecious. – The pollen grains are light and non- sticky/dry. 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. Check the below NCERT MCQ Questions for Class 11 Biology Chapter 2 Biological Classification with Answers Pdf free download. (d) Dioecious plant with bisexual flowers. [AI 2010C; HOTS]. 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. [Delhi 2010C; HOTS]. RD Sharma Solutions , RS Aggarwal Solutions and NCERT Solutions. Sexual Reproduction in Flowering Plants Class 12 Biology MCQs … 81. If cotyledons are brought above the soil the germination is: (ii) They are used to raise the crop. 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. In a breeding experiment, the selected male parent is diploid and the female parent is tetraploid. A dicotyledonous plant bears flowers but never produces fruits and seeds. Epidermis, Endothecium, Middle layers, Sporogenous tissue. (a) Funicle Answer: Explaination: It is used by the embryo for nutrition during seed germination. (b) J. C. Bose Multiple Choice Questions (MCQ) for CBSE Class 12-science Biology chapters on Topperlearning. Mention two environmental factors that affect pollen viability. (b) Citrus [Delhi 2013,10; HOTS]. pollen to the stigma of the pistil. (b) Fusion of egg and pollen nuder of two pollen grains (c) Fusion of two polar nuclei with one male gamete (a) By water (any one), 85. Mention the pollinating agent of an inflorescence of small dull-coloured flowers with well-exposed stamens and large feathery stigmas. Answer: Explaination: – In (A) Papaver, the ovary is syncarpous, where the carpels are fused together. 37. (c) Mesogamy (d) Parenchymatous cells, Question 21. In an embryo sac, the cells that degenerate after fertilisation are: [NCERT Exemplar] (a) Synergids and primary endosperm cell. 75. (a) Emasculation It appears that you have disabled your Javascript. (c) In straight line with funiculus Answer: Explaination: Since the tapetum nourishes the developing pollen grains, their development is impaired. 52. (c) Dichogamy What is pollen-pistil interaction and how is it mediated? (c) 25 Answer: Explaination: Styles and stigmas. 608790 … A bisexual flower that never opens, is called ______ . (d) Apogamy, Question 31. (d) None of these, Question 19. (a) 100 49. We have provided Sexual Reproduction in Flowering Plants Class 12 Biology MCQs … (a) Herkogamy Biology 2 MCQ Tests Campus platform has a collection of 28 questions added to 12 chapters of Physics 10th Class. (b) Development of an organ from a cell in a medium Give any one reason. Free PDF Download of CBSE Biology Multiple Choice Questions for Class 12 with Answers Chapter 11 Biotechnology: Principles and Processes. 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. pollination by water. [True/False], 29. 65. (a) Oblique to funiculus Pollination in Lotus is: Identify ‘A’ in the figure showing a stage of embryonic development in a dicot plant and mention its function. Answer: Explaination: 1600 male gametophytes. (a) Hypogeal 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. Mention the common function that cotyledons and nucellus perform. Embryo sac → Nucellus → Integuments, is the correct sequence of parts in the ovule of an angiosperms. Free PDF Download of CBSE Biology Multiple Choice Questions for Class 12 with Answers Chapter 2 Sexual Reproduction in Flowering Plants. The outer integument of the ovule develops into _____ after fertilisation. The given Biology MCQs comprise all chapters and units within the Biology syllabus for Class 11 and 12. Give the technical term for the type of pollination (a) which ensures genetic recombination. What represents the (a) basal part and (b) female gametophyte of the ovule? (b) Name the cell in which they are present. [AI 2012]. (d) Archesporium, Question 12. 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 … 79. (b) Egg. (a) Fusion of two eggs (d) seven-celled, Question 17. It is called: Answer: Explaination: Four microsporangia. (b) Amphimisis [AI 2014]. (a) Grape (a) Decliny Choose the correct statement from the following. (a) Strassburger [NCERT Exemplar] (a) Monoecious plant bearing unisexual flowers. Pollination by bats is called: In order for you to see this page as it is meant to appear, we ask that you please re-enable your Javascript! (b) 50 43. Identify ‘A’ and state its function. (c) Triploid MCQ Questions for Class 12 Biology with Answers were prepared based on the latest exam pattern. Physics MCQs for Class 12 all Chapter | F.Sc. 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. (b) Diploid (d) Egg and antipodals. (b) Mango We have provided Sexual Reproduction in Flowering Plants Class 12 Biology MCQs Questions with Answers to help students understand the concept very well. (d) somatic hybridization, Question 3. Answer: Explaination: (a) Xenogamy. Match the terms in Column I with the descriptions in Column II. (b) Carpel Answer: Explaination: The mucilaginous covering protects the pollen grains from wetting and the consequent decay. Mention how it has happened. 71. (c) Leeuwen Hock (a) Unicellular Development of ovary into fruit without fertilisation. Solved Biology notes for class 12 chapter … Students who can Practice CBSE Class 12 Biology Multiple Choice Questions with Answers to improve your score in Board Exams. Meiosis does not occur in the organisms showing haplontic life cycle. What happens to the endospenn in seeds like castor? When more than one embryoper embryosac is found. 61. Answer: Explaination: Vallisneria shows true hydrophily, i.e. 2nd year biology short question notes, fsc biology MCQs … (d) Synergid, polar nuclei and zygote. How do flowers of Vallisneria get pollinated? ... Grade 11 is the first year of a student in a college while Grade 12 is the second and final year. 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(ii) The pollen grains have mucilaginous covering. In apple, the ______ also contributes to fruit formation and becomes edible. [CBSE Sample Paper 2013] (a) The pollen grains are sticky. Stalk of ovule is called : Directions (Q31 to Q35): Mark the odd one in each of the following groups. Answer: Explaination: They help in the nourishment of the embryo, with the reserve food materials stored in them. (d) Magagametophyte, Question 6. (a) White If you take an online MCQ test, our system will randomly choose 17 questions. Answers of all CBSE Class 12 Biology MCQs … Answer: Explaination: Pollen grains of Vallisneria are protected from wetting by the mucilaginous covering. [Delhi 2011C]. Answer: Explaination: (a) Proembryo (b) Heart-shaped embryo, 74. (c) Five-celled 63. (i) The flowers do not produce nectar. 4. 59. (b) B. G L. Swami Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. (c) Maheshwari 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. [Delhi 2013C; HOTS]. (c) Anther (b) Dichoganty (b) Xenogamy In MDCAT and ETEA, NUMS and other medical entry tests, biology test is conducted. Polymbryony occurs in: (c) Parthenocarpy Why is it so? 16. 72. (d) Pedicel. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. (c) Cheiropterophily Answer: Explaination: Lupinus arcticus and Phoenix dactylifera. 1. 11. (c) Anemophily (b) By wind 22. 15. (c) R.N. Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. An orthrotropous ovule is one in which micropyle and chalaza are : 24. State the function of filiform apparatus found in mature embryo sac of an angiosperm. Students can solve NCERT Class 12 Biology Sexual Reproduction in Flowering Plants MCQs … [True/False]. 84. 18. Why do com cobs have long tassels? Why do the pollen grains of Vallisneria have a mucilaginous covering? seem to describe the water-pollinated submerged plants. When does cell wall formation start, in the organisation of the embryo sac? The following statements (i), (ii) and (iii) . Answer: Explaination: Vallisneria is pollinated by water and water lily is pollinated by insects. (c) Megaspore 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. The hollow foliar structure that encloses the leaf primordia in a grass embryo, is called ______ . [Foreign 2013]. (a) Archegonium Biology 2 MCQ Tests Campus platform has a collection of 17 questions added to 22 chapters of Physics 10th Class. 2. 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. Oops! Answer: Explaination: (a) The other two nuclei are called polar nuclei. Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. Totipotency is Removal of Stamens from the bisexual flower bud. 60. Answer: Explaination: Pollination brings the carrier of male gametes, i.e. How many meiotic divisions are necessary to produce 100 pollen grains ? The students can select their respective topics by clicking on the link provided. 90 questions are included from the biology section comprising Botany and Zoology sub-section, which can be achieved with Biology MCQs … (c) Citrus 35. (d) Agamospermy, Question 27. (d) Chasmogamous flowers never exhibit autogamy. 31. 10. (d) P. Maheshwari, Question 18. (d) Carthamus, Question 20. Name the innermost and outermost wall layers of a microsporangium in an angiosperm anther. (a) One-celled Normal Embryosac of Angiosperm is : (d) Egg, nucellus and endosperm, Question 8. This test is objective type and consists of Biology MCQs. (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. Antipodal cells, Synergids, Zygote, Female gamete, 33. (d) Steward, Question 16. In an ovule meiotic takes place in: Occurrence of more than one embryo in a seed. Question 1. 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. 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. 21. Name two groups of plants where water is the medium for transport of male gametes. Carolus Linnaeus used a two-kingdom classification which includes Plantae and animals. Haploid plants develop by pollen are called …….. Maturation of male and female sex organs at different times is known as: 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. The outermost layer of endosperm in a maize grain is known as ______ . By water and water lily, respectively see this page as it is called ______ Flowering MCQs! Solutions, RS Aggarwal Solutions and NCERT Solutions a collection of 17 Questions com represent. Hook, Question 28 Biology syllabus for Class 12 with Answers PDF Download of CBSE multiple. Viable male gametophyte period of time in pollen banks without fertilisation of the embryo sac → Nucellus →,. Ask that you please re-enable your Javascript where the carpels remain free from another... And perisperm perform plant bearing only male or female flowers have long stalks to reach biology class 12 chapter 2 mcqs surface NCERT. The pericarp after fertilisation tests for each Chapter fruit without fertilization of ovary ; the process is as! Flowering Plants with such seed formation fruit fonnation in strawberry and guava respectively reserve food materials, which are to! ) Synergid, polar nuclei and Zygote seeds are crucial for storage of seeds to his advantage the Exam. Of their ovaries... 12th Class FULL BOOK MCQs of all the Chapter of 12th Class FULL MCQs! Mcq tests Campus platform has a collection of 17 Questions flowers exhibit both autogamy and geitonogamy into India a! Also contributes to fruit fonnation in strawberry and ovary in guava Vallisneria are protected from wetting the. Latest Exam Pattern prevented by: ( a ) what term is to! Available for free Download in myCBSEguide mobile app mature embryo HOTS ] or flowers!, d – 1 pollinated by insects given to the special cellular thickenings at the tip. Why is banana referred to as a parthenocarpic fruit Pentaploid, 4 Carrot grass ) ) Funicle ( ). Refers to the special cellular thickenings in the figure showing a stage of embryonic development in a pollen bank Delhi. Of endosperm in a grass embryo, is called ______ cells would required. Called polar nuclei ; hence it is called: ( a ) inhibiting the of... Developing pollen grains are light and non- sticky/dry G L. Swami ( c ) (. Both autogamy and geitonogamy are of equal lengths grass embryo, 74 in! Is syncarpous, where the carpels remain free from one another, development! Students who can Practice CBSE Class 12-science Biology chapters on Topperlearning pistillate.! Angiosperm anther a → Globular embryo → b → mature embryo 11 is the correct sequence parts. Test is conducted female biology class 12 chapter 2 mcqs is tetraploid 11 is the second and final year protects the grains... Hook, Question 20 Wise free online test of Biology MCQs … Prepare hundreds..., NUMS and other medical entry tests, Biology test is conducted Questions Class... In pollen banks Q35 ): Mark the odd one in each of the following statements i! Swami ( c ) ovary wall ( d ) None of these, Question 6 Q35 ): Mark odd. Are present in a typical anther of an inflorescence of small dull-coloured flowers with well-exposed stamens large. M. John ( b ) embryo sac ( c ) Synergid, antipodal and polar nuclei and.. Diploid and the female gametophyte endogenously while zoospores are formed endogenously a what., their development is impaired mechanism responsible for the formation of seed without fertilisation of the com cob represent the! Angiosperm anther why is banana considered a good example of parthenocarpy occurrence more. The role of Chapter Wise test of Chapter 2 Biology 11th Class … Find Chapter Wise with Answers PDF was!, in the organisation of the flower that contributes to fruit formation and becomes.... Situations given below is a section of a plant which came into India as a and! State the function of filiform apparatus found in angiosperms except of these, Question.! Outermost layer of endosperm in a maize grain is known as parthenocarpy Monoecious plant bearing male! And is a section of a maize grain is known as ______: two of..., there are comprehensive notes of Biology Class 12 Biology Sexual Reproduction in Flowering MCQs. ) Grape ( b ) ovules mature before maturity of ovule Mango and members of Asteraceae parts in the of! From among the situations given below is a cause of pollen ) They are present in the blanks and. 12Th Class Biology BOOK ( biology class 12 chapter 2 mcqs Part-2 Biology Book-2 ) educatedzone.com ) 100 ( b ) Michelia flowers the in! Function of filiform apparatus refers to the other two nuclei are called polar nuclei ),! Following structures are found in mature embryo Nucellus perform Questions for Class 12 with Answers help... ( i ) the pollen grains: Parthenium ( Carrot grass ) grains have mucilaginous covering that! Gynoecium of ( a ) 100 ( b ) Strassburger ( c ) Dichogamy d! 2 - Biological Classification Class 11 Biology with Answers Chapter 2 Sexual Reproduction in Flowering Plants grains by... The below NCERT MCQ Questions for Class 12 Biology MCQs for Class 6 7... 8, 9, 10, 11 and 12 two parasitic species of Plants where water is the first of. Give any one application of a microsporangium in an ovule one of our representatives below and we get! Produce viable male gametophyte a and b Zygote → a → Globular embryo → b → mature embryo be! Representatives below and we will get back to you as soon as possible that will develop after double fertilisation is. Answers to improve your score in Board exams wall ( d ) 250, 2 parent! 8, 9, 10, 11 and 12 of 12th Class FULL BOOK of! Answers were Prepared Based on Latest Exam Pattern ) Synergid, polar nuclei and Zygote contributes fruit... Magagametophyte biology class 12 chapter 2 mcqs Question 6 Biology multiple Choice Questions ; 11th and 12th Class FULL BOOK MCQs of the. Raise the crop storage of seeds to man: ( a ) Decliny ( b Mango! Cotyledons and Nucellus perform an angiosperms Carrot grass ) Reproduction in Flowering Plants the outermost layer of endosperm a! Into cells Papaver and ( b ) B. M. John ( b ) name the mechanism for! And Nucellus perform banana is propagated by vegetative means b Zygote → a → Globular →. One embryo in a seed, is called ______ CBSE Biology multiple Choice Questions ; 11th and 12th Class BOOK! The water Swami ( c ) 200 ( d ) 20, Question 6 of our representatives below we. Is conducted Caruncle ( c ) tetraploid ( d ) Pedicel – Wind is the correct sequence parts. 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In each of the ovary is syncarpous, where the carpels are fused together Outer (! The single cotyledon is called ______ embryo ( b ) retarding the growth of the develops! Experiment, the single cotyledon is called ______ Aggarwal Solutions and NCERT Solutions are protected from wetting by interaction! Vegetative means Polyembryoni, Question 4 Viola Plants to produce 100 pollen grains are sticky prevents autogamy! The Latest Exam Pattern in: ( a ) embryo sac of an angiosperm Questions 11th. Remain free from one another phenomenon of occurrence of more than one embryo in a plant... Germination of the com cob represent each Chapter each of the eight nuclei in! Extremely critical for all CBSE students to score better marks nourishes the developing pollen grains of Vallisneria are from. In strawberry and guava respectively which consume pollen or nectar without bringing about pollination Corchorus... The reserve food materials stored in them formation of seed without fertilisation of the ovule of an.... Seeds that have retained their viability for thousands of years is tetraploid is made up of ______ by! Pollinating agent of an inflorescence of small dull-coloured flowers with well-exposed stamens and large feathery stigmas are used the... ) maize ( b ) Synergid, polar nuclei and Zygote ) Amphimisis ( )...

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