(d) Archesporium, Question 12. How many microspore mother cells would be required to produce one hundred pollen grains in a pollen sac? [True/False], 27. Mention two environmental factors that affect pollen viability. 63. (c) Dichogamy Answer: Explaination: The long tassels of com cob are the styles and stigmas; they are meant to easily trap the air-bome pollen grains. Biology MCQ Questions for Class 12 with Answers Pdf Download. A bisexual flower that never opens, is called ______ . Answer: Explaination: Vallisneria shows true hydrophily, i.e. Answer: Explaination: Tapetum is the innermost. 1. Mention how it has happened. MCQ Questions for Class 11 BIOLOGY Chapter 1, Chapter 2, Chapter 3, Chapter 4, Chapter 5, Chapter 6.CBSE, MCQ, NCERT OBJECTIVE QUESTION (MCQ). (b) Ground tissue 2nd year biology short question notes, fsc biology MCQs … 77. Biology MCQs for Class 12 with Answers Chapter 2 Sexual Reproduction in Flowering Plants. Answer: Explaination: A – 4, B – 3, C – 2, D – 1. [Delhi 2013C; HOTS]. (b) Two-celled (d) Egg, nucellus and endosperm, Question 8. Name the innermost and outermost wall layers of a microsporangium in an angiosperm anther. Of the eight nuclei formed in the em bryo sac, six become organised into cells. Free PDF Download of CBSE Biology Multiple Choice Questions for Class 12 with Answers Chapter 2 Sexual Reproduction in Flowering Plants. (ii) They are used to raise the crop. The following statements describe the wind-pollinated plants. 9. Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. (b) plant is dioecious and bears both pistillate and staminate flowers. Answer: Explaination: Orobanche and Striga. We have provided Biological Classification Class 11 Biology MCQs … (c) Hetorostyle Answer: Explaination: Temperature and humidity. (c) Monoecious plant with bisexual flowers. (b) Mango (c) By insect 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 … Name the part of the flower that contributes to fruit fonnation in strawberry and guava respectively. (d) P. Maheshwari, Question 18. (a) Unisexua A dicotyledonous plant bears flowers but never produces fruits and seeds. 38. (b) Diploid 49. (b) Cteistogamy – It stores food materials, which are used by the embryo during seed germination. [Foreign 2013]. Who discovered fertilization? Answer: Explaination: At the eight-nucleate stage. [AI 2010C; HOTS]. (a) Endosperm, nucellus and egg (b) Fusion of egg and pollen nuder of two pollen grains 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. Identify ‘A’ in the figure showing a stage of embryonic development in a dicot plant and mention its function. RD Sharma Solutions , RS Aggarwal Solutions and NCERT Solutions. We hope the given Biology MCQs for Class 12 with Answers Chapter 2 Sexual Reproduction in Flowering Plants will help you. (b) Synergids and antipodals. (b) B. G L. Swami In Zostera, the pollen grains are long and ribbon-like and released inside the water. November 13, 2019 by Veerendra. Answer: Explaination: Sporogenous tissue. Here comes the role of chapter wise Test of Chapter 2 - Biological Classification. (d) Parallel to funiculus, Answer: (c) In straight line with funiculus, Question 11. [True/False], 30. 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 - … (a) Nucellus (b) Outer integument (c) Ovary wall (d) Inner integument. (a) Herkogamy Occurrence of more than one embryo in a seed, is known as ______ . 59. (d) somatic hybridization, Question 3. Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. (c) Vivipaiy (d) Polyembryoni, Question 29. 46. (c) Embryo Check the below NCERT MCQ Questions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants with Answers Pdf free download. It is called: [AI 2010C]. Click one of our representatives below and we will get back to you as soon as possible. Give the technical term for the type of pollination (a) which ensures genetic recombination. How many microspore mother cells are required to produce 1000 microspores/pollen grains? (d) Dioecious plant with bisexual flowers. Biology MCQ Questions for Class 12 … (c) Vascular bundle 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. 608790 … 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. 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. (c) Agamospormy (d) Parenchymatous cells, Question 21. Students can solve NCERT Class 12 Biology Sexual Reproduction in Flowering Plants MCQs Pdf with Answers to know their preparation level. The number of meiotic divisions, required to produce 400 seeds in a pea plant, is (a) 100 (b) 200 (c) 400 (d) 500. 51. [Delhi 2010C], Answer: Explaination: Apomixis is the phenomenon e.g. An orthrotropous ovule is one in which micropyle and chalaza are : Sexual Reproduction in Flowering Plants Class 12 Notes Biology in PDF are available for free download in myCBSEguide mobile app. How many microsporangia are present in a typical anther of an ar.giosperm? [Foreign 2014]. (b) Development of an organ from a cell in a medium (a) Funicle [True/False], 28. 66. [Foreign 2012: HOTS] Or Pea flowers produce assured seed-sets. The most probable cause for the above situation is [NCERT Exemplar] (a) plant is dioecious and bears only pistillate flowers. (a) Diploid (b) Triploid (c) Tetraploid (d) Pentaploid, 4. Answer: Explaination: Pollination brings the carrier of male gametes, i.e. The given Biology MCQs comprise all chapters and units within the Biology syllabus for Class 11 and 12. [Delhi 2015C]. (ii) The pollen grains have mucilaginous covering. Choose the correct statement from the following. 43. These pictures show the gynoecium of (A) Papaver and (B) Michelia flowers. (b) Epigeal 2. (d) Megagametophyte, Question 14. (a) 100 (b) 150 (c) 200 (d) 250, 2. (a) Hypogeal (d) None of these, Question 4. Given below is a section of a maize grain. Why is banana referred to as a parthenocarpic fruit? Banana produces fruits, but is propagated only by vegetative means. Antipodal cells, Synergids, Zygote, Female gamete, 33. Students can solve NCERT Class 12 Biology Sexual Reproduction in Flowering Plants MCQs Pdf with Answers to know their preparation level. (c) Anther How do flowers of Vallisneria get pollinated? (a) Nucellus Answer: Explaination: – In (A) Papaver, the ovary is syncarpous, where the carpels are fused together. (b) Parthenocarpy AbilobeddithecousantherhaslOOmicrospore mother cells per microsporangium. Biology 2 MCQ Tests Campus platform has a collection of 28 questions added to 12 chapters of Physics 10th Class. Answer: Explaination: Banana fruit develops without fertilisation of the ovary; hence it is considered parthenocarpic. 54. [NCERT Exemplar] (a) Cleistogamous flowers always exhibit autogamy. (c) Parthenocarpy [Foreign 2013]. [AI 2014C]. Carpels in a flower are fused together. (d) Hydrophily, Question 25. Students who can Practice CBSE Class 12 Biology Multiple Choice Questions with Answers to improve your score in Board Exams. (a) Haploid The hollow foliar structure that encloses the leaf primordia in a grass embryo, is called ______ . 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. (d) 20, Question 23. Answer: Explaination: The mucilaginous covering protects the pollen grains from wetting and the consequent decay. Multiple Choice Questions (MCQ) for CBSE Class 12-science Biology chapters on Topperlearning. Haploid plants develop by pollen are called …….. What happens to the endospenn in seeds like castor? (c) Cheiropterophily Mention two advantages of seeds to man. 64. Answer: Explaination: Pollen grains of Vallisneria are protected from wetting by the mucilaginous covering. Answer: Explaination: (iii) is incorrect. seem to describe the water-pollinated submerged plants. [AI 2012]. 83. How does a farmer use the dormancy of seeds to his advantage? Answer: Explaination: – Orange shows polyembryony, the phenomenon of occurrence of more than one embryo in a seed. 5. The meiocyte of rice has 24 chromosomes. Autogamy can occur in a chasmogamous flower if [NCERT Exemplar] (a) pollen matures before maturity of ovule. Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. 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. 11. 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Biology MCQs Or Mention the common function that endosperm and perisperm perform. 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. Answer: Explaination: Bryophytes and pteridophytes. Answer: Explaination: A – 2, B – 1, C – 4, D – 3, 26. (a) White [AI 2010C; HOTS]. 55. Answer: Explaination: The pollen grains can be stored for years in liquid nitrogen (-196 °C) in pollen banks and used for crop breeding programmes. (b) At right angles to funiculus 14. (c) R.N. Development of fruit without fertilizations is: (a) Strassburger Find Chapter wise free online test of Biology Class 12. Students can solve NCERT Class 12 Biology Sexual Reproduction in Flowering Plants MCQs … (d) Egg and antipodals. Check the below NCERT MCQ Questions for Class 11 Biology Chapter 2 Biological Classification with Answers Pdf free download. (b) Pistil (d) Endosperm, Question 9. From among the situations given below, choose the one that prevents both autogamy and geitonogamy. (b) Seed (a) Nawaschin (b) Amphimisis In a breeding experiment, the selected male parent is diploid and the female parent is tetraploid. 15. 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. (c) 25 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 … 17. (b) They are present in the central cell. (d) Agamospermy, Question 27. Give an example of a plant which came into India as a contaminant and is a cause of pollen allergy. Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. (c) plant is monoecious. 4. (c) Triploid NCERT, CBSE, MCQ Questions for Class 12 BIOLOGY Chapter 1, Chapter 2, Chapter 3, Chapter 4, Chapter 5, Chapter 6. Normal Embryosac of Angiosperm is : In Capsella the endosperm in generally: (c) Flowers often have single ovule. 12th Class Biology Chapter Wise MCQs: Karachi board, Sukkur board, Hyderabad board, Larkana board, Mirpur Khas board. [Delhi 2013,10; HOTS]. (a) Archegonium Identify ‘A’ and state its function. 18. (c) Polygamy Mention the pollinating agent of an inflorescence of small dull-coloured flowers with well-exposed stamens and large feathery stigmas. Solved Biology notes for class 12 chapter … Polymbryony occurs in: (d) All of these, Question 2. (d) None of these, Question 5. 45. And why? Carolus Linnaeus used a two-kingdom classification which includes Plantae and animals. The outer integument of the ovule develops into _____ after fertilisation. This test is objective type and consists of Biology MCQs. 20. 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