(b) entomophilous flowers, Question 53. (b) 32 Online test system comprises objective type questions. (b) microspore (b) anatropous, Question 50. Question 1. (d) Oenothera Answer: (d) citrus. (d) maize and pea. Question 19. (b) tapetum, Question 28. (b) cotyledons, endosperm (b) butterflies (a) generative fertilisation Answer: The anther wall consists of four wall layers where Answer: Answer: Check below the chapter-wise Important MCQs for CBSE Class 9 Science: MCQs on Chapter 1: Matter in Our Surroundings. (b) sporopollenin (b) Impatiens (b) entomophily Indentify the wrong statement regarding post-fertilisation development. (c) plumule, radicle (b) egg cell and male gamete, Question 36. Separate sections for each chapter students will find. (c) 7 – nucleate, 7 – celled (c) nutrition (c) pollen grain. (c) young ovules (d) androecium MCQ Questions for Class 9 Science Chemistry with Answers. (b) middle layers lie between endothecium and tapetum, Question 26. (d) all of these. Mature ovules are classified on the basis of funiculus. (c) coconut (c) plumule, radicle, Question 39. (d) either (a) or (b). Our database contains a total of 375 questions for Biology MCQ Tests. (c) Primula vulgaris (d) campylotropous. (b) floriculture, Question 22. Answer: (c) Hydrilla Answer: (a) tapetum lies just inner to endothecium _______of the pollen grain divides to form two male gametes. (c) synergid and male gamete (a) 8 – nucleate, 7 – celled, Question 4. (b) stigma (d) antipodal. (c) Prevents entry of more than one pollen tube into a synergid (c) Rosa (a) Asteraceae Lysosomes are called suicide bags because. Answer: (d) Fig (b) Self incompatibility (d) parthenocarpy (c) palynology What will be the number of chromosomes in the gametes ? In angiosperms various stages of reductional division can best be studied in Nonessential floral organs in a flower are The total number of nuclei involved in double fertilisation in angiospersm are (d) wind Concise Biology Class 9 ICSE Solutions. Students who have done with their syllabus and are near to complete their syllabus are to be recommended to go through these online quiz with answers for Bio. 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(b) thigmotaxis (a) anemophilous flowers (b) barley Class 9 Biology Notes: Biology is a kind, very complicated to understand, science-related topic. (b) Guides the pollen tube into a synergid, Question 2. (d) 5 – celled (a) arboriculture (b) The outer integument of ovule develops into tegmen. How many meiotic divisions are required for the formation of 100 pollen grains ? (a) orthotropous (d) microsporangium. (c) funicle (c) Salvia (c) secondary nucleus (b) Generative cell, Question 47. (a) 64 (c) Asclepiadaceae Pollen During the process of fertilisation the pollen tube of the pollen grain usually enters the embryo sac through (d) Gossypium (c) Asclepiadaceae Pollen, Question 31. We hope the given Biology MCQs for Class 12 with Answers Chapter 2 Sexual Reproduction in Flowering Plants will help you. (c) Cleistogamy Which of the following is not a water pollinated plant ? (b) egg cell and male gamete (b) style (c) horticulture (a) megaspore (a) endosperm, cotyledons Answer: During microsporogenesis, meiosis occurs in (c) letrasporangiate, Question 25. (a) pectocellulose Chapter … (c) nucellus, cotyledons Answer: (c) geotropic Intermediate level students who are getting helping materials for good preparation will also be provided with 11th class date sheets and 11th class result for Gujranwala board. Answer: (c) microspore tetrads

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